100000 - Document - Document and Entity Information
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100010 - Statement - Condensed Consolidated Balance Sheets
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100020 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)
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100030 - Statement - Condensed Consolidated Statements of Operations
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100040 - Statement - Condensed Consolidated Statements of Operations Parenthetical
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100050 - Statement - Condensed Consolidated Statements of Comprehensive Income
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100060 - Statement - Condensed Consolidated Statements of Changes in Stockholders' Equity
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100070 - Statement - Condensed Consolidated Statements of Changes in Stockholders' Equity (Parenthetical)
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100080 - Statement - Condensed Consolidated Statements of Cash Flows
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995455 - Disclosure - Basis of Presentation
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995465 - Disclosure - Earnings Per Share
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995475 - Disclosure - Investments
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995485 - Disclosure - Accounts Payable and Accrued Expense
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995495 - Disclosure - Borrowings
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995505 - Disclosure - Derivatives
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995515 - Disclosure - Accumulated Other Comprehensive Loss
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995525 - Disclosure - Dividends
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995535 - Disclosure - Leases
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995545 - Disclosure - Contingencies
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995555 - Disclosure - Related Party Transactions
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995565 - Disclosure - Consolidating Financial Information by Industry Segment
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995575 - Disclosure - Geographic Area Data
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995585 - Disclosure - Employee Benefit Plans
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995595 - Disclosure - Fair Value Measurements
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995605 - Disclosure - Revenue Recognition
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995615 - Disclosure - Allowance For Credit Losses
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995625 - Disclosure - Income Taxes
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995635 - Disclosure - Accounting Pronouncements
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995645 - Disclosure - Deferred Policy Acquisition Costs, Net
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995655 - Disclosure - Policy Benefits and Losses, Claims and Loss Expenses Payable
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995665 - Disclosure - Earnings Per Share (Table Text Block)
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995675 - Disclosure - Investments (Table Text Block)
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995685 - Disclosure - Accounts Payable and Accrued Expense (Table Text Block)
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995695 - Disclosure - Notes, Loans and Finance Leases Payable, net (Table Text Block)
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995705 - Disclosure - Derivatives (Table Text Block)
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995715 - Disclosure - Accumulated Other Comprehensive Loss (Table Text Block)
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995725 - Disclosure - Dividends (Table Text Block)
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995735 - Disclosure - Leases (Table Text Block)
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995745 - Disclosure - Related Party Transations (Table Text Block)
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995755 - Disclosure - Consolidating Financial Information by Industry Segment (Table Text Block)
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995765 - Disclosure - Geographic Area Data (Table Text Block)
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995775 - Disclosure - Employee Benefit Plans (Table Text Block)
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995785 - Disclosure - Fair Value Measurements (Table Text Block)
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995795 - Disclosure - Revenue Recognition (Table Text Block)
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995805 - Disclosure - Allowance For Credit Losses (Table Text Block)
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995815 - Disclosure - Accounting Pronouncements (Table Text Block)
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995825 - Disclosure - Deferred Policy Acquisition Costs, Net (Table Text Block)
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995835 - Disclosure - Policy Benefits and Losses, Claims and Loss Expenses Payable (Table Text Block)
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995845 - Disclosure - Basis of Presentation - (Narratives) (Details)
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995855 - Disclosure - Earnings Per Share (Narratives) (Details)
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995865 - Disclosure - Earnings Per Share Calculation Basic Diluted Earnings Per Share Voting Non Voting Common Stock (Details)
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995875 - Disclosure - Investments (Narratives) (Details)
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995885 - Disclosure - Investments (Available For Sale Investments) (Details)
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995895 - Disclosure - Investments - (Available-for-sale investments with unrealized losses) (Details)
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995905 - Disclosure - Investments (Adjusted cost and estimated market value of available-for-sale investments) (Details)
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995915 - Disclosure - Investments (Available for sale equity investments) (Details)
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995925 - Disclosure - Investments (Carrying value of other investments) (Details)
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995935 - Disclosure - Accounts Payable and Accrued Expense (Details)
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995945 - Disclosure - Notes, Loans and Finance Leases Payable, net (Narratives) (Details)
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995955 - Disclosure - Notes, Loans and Finance Leases Payable, net (Long-term Debt Borrowings) (Details)
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995965 - Disclosure - Notes, Loans and Finance Leases Payable, net (Long-term Debt Borrowings) (Parenthetical) (Details)
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995975 - Disclosure - Notes, Loans and Finance Leases Payable, net (Annual Maturities of Notes, Loans and Leases Payable) (Details)
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995985 - Disclosure - Notes, Loans and Finance Leases Payable, net (Components of Interest Expense) (Details)
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995995 - Disclosure - Notes, Loans and Finance Leases Payable, net (Interest Rates and Company Borrowings) (Details)
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996005 - Disclosure - Derivatives (Narratives) (Details)
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996015 - Disclosure - Derivatives (Interest rate contracts designated as hedging instruments) (Details)
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996025 - Disclosure - Derivatives (Equity Market Contracts Designated As Hedging Instruments (Details)
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996035 - Disclosure - Accumulated Other Comprehensive Loss (Summary of Accumulated Other Comprehensive Income (Loss) Components, Net of Tax) (Details)
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996045 - Disclosure - Dividends - Summary of Dividends Declared (Details)
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996055 - Disclosure - Leases (Narratives) (Details)
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996065 - Disclosure - Leases (Components of our right-of-use assets) (Details)
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996075 - Disclosure - Leases (Finance Leases Weighted Average Remaining Lease Term and Discount Rate) (Details)
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996085 - Disclosure - Leases (Operating Leases Weighted Average Remaining Lease Term and Discount Rate) (Details)
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996095 - Disclosure - Leases (Components Of Lease Expense) (Details)
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996105 - Disclosure - Leases (Maturities Of Lease Liabilities) (Details)
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996115 - Disclosure - Related Party Transactions (Narratives) (Details)
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996125 - Disclosure - Related Party Transactions (Related Party Revenue) (Details)
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996135 - Disclosure - Related Party Transactions (Related Party Costs and Expenses) (Details)
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996145 - Disclosure - Related Party Transactions (Related Party Assets) (Details)
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996155 - Disclosure - Related Party Transactions (Related Party Assets) Parenthetical (Details)
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996165 - Disclosure - Contingencies (Narratives) (Details)
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996175 - Disclosure - Consolidating Financial Information by Operating Segment - (Revenues and Earnings) (Details)
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996185 - Disclosure - Consolidating Financial Information by Operating Segment - (Assets) (Details)
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996195 - Disclosure - Geographic Area Data (Summary of Geographic Area Data) (Details)
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996205 - Disclosure - Employee Benefit Plans (Components of net periodic benefit costs post retirement benefits) (Details)
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996215 - Disclosure - Fair Value Measurements (Narratives) (Details)
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996225 - Disclosure - Fair Value Measurements (Financial instruments level within the fair value hierarchy) (Details)
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996235 - Disclosure - Fair Value Measurements (Carrying and Estimated Fair Values within Fair Value Hierarchy) (Details)
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996245 - Disclosure - Revenue Recognition (Narratives) (Details)
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996255 - Disclosure - Revenue Recognition (Revenue over time) (Details)
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996265 - Disclosure - Revenue Recognition (Revenue disaggregated by timing of revenue recognition) (Details)
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996275 - Disclosure - Allowance for Credit Losses (Narratives) (Details)
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996285 - Disclosure - Allowance for Credit Losses (Reserve Allowance for Various Credit Loss) (Details)
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996295 - Disclosure - Income Taxes (Narratives) (Details)
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996305 - Disclosure - Accounting Pronouncements (Adoption Of New Accounting Pronouncement Adjustments To Select Tables) (Details)
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996315 - Disclosure - Accounting Pronouncements (Consolidated Balance Sheet Before After Transition Date (Details)
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996325 - Disclosure - Accounting Pronouncements (Effects of Adoption of ASU 2018-12 Balance Sheet) (Details)
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996335 - Disclosure - Accounting Pronouncements (Deferred Acquisition Costs) (Details)
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996345 - Disclosure - Accounting Pronouncements (Deferred Future Policy Benefits) (Details)
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996355 - Disclosure - Accounting Pronouncements (Market Risk Benefits) (Details)
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996365 - Disclosure - Deferred Policy Acquisition Costs, Net (Schedule of Deferred Policy Acquisition Costs (Details)
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996375 - Disclosure - Life Insurance Liabilities (Present Value Expected Net Premiums) (Details)
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996385 - Disclosure - Life Insurance Liabilities (Present Value Expected Future Policy Benefits) (Details)
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996395 - Disclosure - Life Insurance Liabilities (Sensitive Life Insurance Type Products) (Details)
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996405 - Disclosure - Life Insurance Liabilities (Balance Changes Liabilities Investment Contracts) (Details)
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Statement [Line Items]
Payments For Purchase Of Other Assets 1
Balance, beginning of year
Aoci Liability For Future Policy Benefit Expected Future Policy Benefit Before Tax
Balance, beginning of year
Balance, end of the year
Liability For Unpaid Claims And Claims Adjustment Expense Incurred But Not Reported IBNR Claims Amount
Adjustments for removal of related balances in accumulated other comprehensive income
Life and annuity ICOS and IBNR / Reinsurance losses payable
Debt Instrument, Interest Rate During Period
Weighted average interest rate during the quarter
Aoci Liability For Future Policy Benefits Changes Discount Rate Assumptions Increase Decrease
Aoci Liability For Future Policy Benefits Changes Discount Rate Assumptions Increase Decrease
Effect of changes in discount rate assumptions (AOCI)
Entities [Table]
Derivatives Fair Value [Line Items]
Derivative Asset Notional Amount
Notional amount (lease)
Common Stock Dividends Declared Non Voting Value
Non-Voting Common Stock dividends declared
Aggregate dividends paid during the period for each share of Non-voting common stock outstanding.
Valuation And Qualifying Accounts Disclosure [Table]
Entity Address Postal Zip Code
Entity address, postal zip code
Cumulative Effect Of Adoption Comprehensive Income [Member]
Increase (decrease) to financial statements for cumulative-effect adjustment in period of adoption of amendment to accounting standards for Comprehensive Income.
This item represents the aggregate fair value of investments in debt and/or equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer.
Available For Sale Investments Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value
Gross unrealized losses more than 12 months
Self-moving equipment rentals
Transportation Equipment [Member]
Trading Securities And Certain Trading Assets [Text Block]
Available for sale equity investments
Fair Value Measurements, Recurring and Nonrecurring [Table]
Entity Incorporation State Country Code
Entity Incorporation, State or Country Code
Finance Lease Liability Payments Due
Total lease payments
Property Subject To Or Available For Operating Lease Accumulated Depreciation
Less: Accumulated depreciation
Prepaid Expense
Revenues [Abstract]
Revenues:
Senior mortgages
Senior Notes [Member]
Number Of Operating Segments
Trade receivable components
Fair value of preferred stock at quoted prices in active markets.
Preferred Stock, Fair Value Disclosure
Preferred stock
Debt Securities, Available-for-Sale, Amortized Cost, Current
Amortized cost
Other Comprehensive Income (Loss), Tax [Abstract]
Comprehensive income (loss) (tax effect):
Increase (Decrease) in Unearned Premiums
Other policyholders' funds and liabilities
Defined Benefit Plan, Service Cost
Service cost for benefits earned during the period
Service cost of benefits earned during the period
Property and casualty insurance premiums
Pemiums Earned Property And Casualty
Amounts, after premiums ceded to other entities and premiums assumed by the entity, of property and casualty premiums earned.
Fair Value, Hierarchy [Axis]
Level 2 [Member]
Significant Other Observable Inputs (Level 2)
Fair Value Measurement [Domain]
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
U.S. government agency mortgage-backed securities [Member]
Geographic Areas, Long-Lived Assets [Abstract]
Long-term Debt, Type [Domain]
Total notes, loans and leases payable
Amount of accumulated unrealized loss on investments in debt and/or equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or less.
Available For Sale Investments Continuous Unrealized Loss Position Less Than Twelve Months Fair Value
Gross unrealized losses less than 12 months
Liability for Claims and Claims Adjustment Expense, Ending Balance
Liability for Claims and Claims Adjustment Expense, Beginning Balance
Liability for Claims and Claims Adjustment Expense, Total
Liability For Claims And Claims Adjustment Expense
Adjusted balance, beginning of year April 1, 2021
Liability for Future Policy Benefit, after Reinsurance [Abstract]
Effect of changes in cash flow assumptions
Liability For Future Policy Benefit Expected Future Policy Benefit Cumulative Increase Decrease From Cash Flow Change
Derecognition of FIT on shadow reserves
Effect of changes in cash flow assumptions
2029
Long-term Debt, Maturities, Repayments of Principal in Year Five
Property Management Fee [Abstract]
Investments
Investments, other
Investments other, amount
Lease expenses
Lease Expense [Member]
Primary financial statement caption encompassing expenses associated with an operating lease expense.
Schedule Of Maturities Of Operating And Finance Leases Liabilities [Table Text Block]
Maturities of Lease Liabilities
Schedule of maturities of operating and finance leases liabilities.
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred stock:
Interest Rate Swap [Member]
Stock, Class of Stock [Table]
Right Of Use Assets Building Improvements
Buildings and Improvements
Right of use assets, building and improvements.
Market Risk Benefit After Increase Decrease From Instrument Specific Credit Risk Alternative [Abstract]
Product Or Service [Axis]
Dividends Payable [Line Items]
Deferred Income Tax Liabilities, Net
Schedule of Other Operating Cost and Expense, by Component [Table Text Block]
Related Party costs and expenses
Interest Expense, Borrowings [Abstract]
Cumulative Effect Period Adoption [Domain]
Dividends Payable, Date to be Paid
Dividends payable, date to be paid
Dividends Stock [Abstract]
Related Party Transaction [Line Items]
Liability For Future Policy Benefit Expected Future Policy Benefit Increase Decrease For Other Change
Other adjustments
Other
Stockholders' Equity
8. Dividends
Debt Instrument, Interest Rate, Stated Percentage [Abstract]
Debt instruments, interest rate, stated percentage:
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Common stock:
Allowance For Doubtful Accounts Receivable Recoveries
Recoveries
Revenue Recognition
Revenue From Contract With Customer [Text Block]
Debt Instrument Carrying Amount
Notes, loans and leases payable, gross
Available for sale investments, unrealized losses, fair value
Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block]
Dividends Payable, Date Declared
Dividends payable, date declared
Intersegment Eliminations [Member]
Interest paid in cash
Interest Paid, Including Capitalized Interest, Operating and Investing Activities
Interest Paid, Including Capitalized Interest, Operating and Investing Activities, Total
Insurance [Abstract]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Business Combination Separately Recognized Transactions Additional Disclosures [Abstract]
Measurement Input Actual Lapse Rate [Member]
Lapses actual experience
Lapses in actual experience.
Debt Issuance Date
Debt Instrument, Issuance Date
CIK
Entity Central Index Key
Proceeds from Annuities and Investment Certificates
Investment contract deposits
Schedule of Available-for-sale Securities [Line Items]
Reclassification net gains Interest Rate Contracts
Accumulated Gain (Loss), Financial Liability, Fair Value Option, Attributable to Parent [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position [Abstract]
Unfunded Loan Commitment [Member]
Accrued interest receivables
This company-specific concept is a combination of two separate concepts in the US-GAAP taxonomy. (1) Other Real Estate Revenue: "Other real estate revenue not otherwise specified in the taxonomy." (2) Contracts Revenue: "Revenue earned during the period arising from products sold or services provided under the terms of a contract, not elsewhere specified in the taxonomy. May include government contracts, construction contracts, and any other contract related to a particular project or product.
Self Storage Revenues
Self-storage revenues
Non cash lease expense
Proceeds from Fees Received
Debt Instrument, Interest Rate, Effective Percentage [Abstract]
Debt instruments, interest rate, effective percentage:
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate
Debt instrument, interest rate, stated percentage
Assets Held by Insurance Regulators
US States and Political Subdivisions Debt Securities [Member]
Obligations of states and political subdivisions [Member]
Prior Year, Ordinary Dividend, Quarter two
O 2024 Q2 Dividends Member
Distribution of earnings in the form of cash or capital stock declared by the board of directors to be distributed to shareholders, previous fiscal year, quarter two.
Common Stock, Shares, Issued
Common stock, shares, issued
Notional Amount Of Derivatives [Abstract]
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change, Ending Balance
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change, Beginning Balance
Liability For Future Policy Benefit Expected Net Premium Original Discount Rate Before Reinsurance After Cash Flow Change
Adjust beginning of year balance
Earnings Per Share Basic Distributed
Dividends declared per share, distributed
Present Value Expected Net Premiums and Expected Future Policy Benefits
Liability for Future Policy Benefit, Activity [Table Text Block]
Deferred Policy Acquisition Cost Foreign Currency Translation Gain Loss
Other, including experience
Finance Lease Liability Payments Due Year Five
2029
2028
Long-term Debt, Maturities, Repayments of Principal in Year Four
Income Statement [Abstract]
On our HTML document, we leave this field name blank. It is considered the sum of all assets prior to our listing all Property, Plant and Equipment items.
Subtotal Assets
Subtotal assets
Entity Address State Or Province
Entity address, State or Province
Finance Lease Liability Payments Due Next Twelve Months
2025 (9 months)
Allowance For Credit Loss [Abstract]
Pretax earnings
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total
Net earnings, Pre-tax
Restatement [Axis]
Liability for Future Policy Benefit, Expected Net Premium, Period Increase (Decrease), Total
Liability For Future Policy Benefit Expected Net Premium Period Increase Decrease
Re-measurement due to discount rate FIT
Allowance For Losses On Finance Receivables [Member]
Investments, Fixed Maturities
Contract with Customer, Sales Channel [Domain]
Portion at Fair Value Measurement [Member] [Default]
Portion At Fair Value Fair Value Disclosure [Domain]
Loss Contingencies [Table]
External Credit Rating, Investment Grade [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Operating Lease, Lease Income, Total
Operating Lease Lease Income
Self-moving equipment rentals
Reinsurance Recoverables On Unpaid Losses Gross
Other premiums
Series A, amount
Debt Instrument, Redemption, Period One [Member]
Other Components Of Net Periodic Benefit Recovery Costs
Other components of net periodic benefit costs
Subtotal of other components of net periodic benefit (recovery) costs.
Total other components of net periodic benefit costs
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Fair Value, Total
Debt Securities, Available-for-Sale, Unrealized Loss Position
Insurance, Other [Member]
Life DPL / Other life and health
Lease Cost [Abstract]
Lease cost:
Dividends Payable, Date of Record
Dividends payable, date of record
Schedule Of Impaired Financing Receivable [Table]
Investments Classified by Contractual Maturity Date [Table Text Block]
Investments classified by contractual maturity date
Adjusted Cost and Estimated Market Value of Available-for-sale Investments
Investment Income Loss Interest And Dividend
Net investment and Interest income
Investment income loss interest and dividend.
Finance Lease Liability Payments Due After Year Five
Thereafter
Payments of Debt Issuance Costs
Payment of debt issuance costs
Amortization of debt issuance costs
Cumulative Effect Of Adoption Stockholders Equity [Member]
Increase (decrease) to financial statements for cumulative-effect adjustment in period of adoption of amendment to accounting standards for Stockholders' Equity.
Treasury Stock Common Shares
Current Year, Ordinary Dividend, Quarter two
O 2025 Q2 Dividends Member
Distribution of earnings in the form of cash, or capital stock declared by the board of directors to be distributed to shareholders.
Cover
Cover [Abstract]
Condensed Balance Sheet Statement [Table]
Derivative Instruments Gain Loss Reclassified From Accumulated OCI Into Income Effective Portion Tax
The effective portion of gain loss reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments, tax effect.
Amounts reclassified into earnings on hedging activities, Tax
Equity Swap [Member]
Balance, beginning of the year
Aoci Liability For Future Policy Benefit Expected Net Premium Before Tax
Change in discount rate assumptions
Balance, beginning of the year
Balance, end of period
Rental Truck (amortizing loans) First Loan [Member]
Fleet loans (amortizing term) [Member]
Timing of Transfer of Good or Service [Axis]
Finance lease payments
Finance Lease Principal Payments
Cash paid for finance leases
Financial Instruments Financial Assets Balance Sheet Groupings [Abstract]
Assets
Allowance For Doubtful Accounts Receivable Write Offs
Write-offs against allowance
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Ending Balance
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Beginning Balance
Mortgage Loans On Real Estate
Mortgage loans, net
Consolidation Items [Domain]
Deferred Policy Acquisition Cost, Amortization Expense
Amortization of deferred policy acquisition costs
Investments Debt Equity Securities [Abstract]
Printing expenses
Selling and Marketing Expense [Member]
Derivatives
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Line of Credit Facility, Average Outstanding Amount
Average amount outstanding during the quarter
Finance Lease Weighted Average Discount Rate Percent
Finance leases
Long Term Debt
Notes, loans and finance leases payable, sum
Geographic Area Data
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
Series N Non-Voting Common Stock dividends paid
Non-Voting Common Stock dividends paid
Dividends Non Voting Common Stock Cash
Amount of paid and unpaid non voting common stock dividends declared with the form of settlement in cash.
Retained Earnings (Accumulated Deficit), Total
Retained Earnings (Accumulated Deficit)
Retained earnings
Segment Reporting [Abstract]
Policyholder Account Balance, Surrender and Withdrawal, Total
Policyholder Account Balance Surrender And Withdrawal
Surrenders and withdrawals
Supplemental Cash Flow Elements [Abstract]
Deferred Finance Costs Noncurrent Gross
Notes, loans and finance/capital leases payable
UNITED STATES [Member]
United States [Member]
New Accounting Pronouncements And Changes In Accounting Principles [Abstract]
This extended concept is a combination of two concepts on the US-GAAP taxonomy. (1) Reinsurance Recoverables defined as..."The known and estimated amount recoverable as of the balance sheet date from reinsurers for claims paid or incurred by the ceding insurer and associated claims settlement expenses, including estimated amounts for claims incurred but not reported, and policy benefits, net of any related valuation allowance." (2) Receivables, Net, Current defined as..."The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowance established for the purpose of reducing such receivables to an amount that approximates their net realizable value"
Reinsurance Recoverables and Trade Receivables, Net
Reinsurance recoverables and trade receivables, net
Earnings Per Share Diluted Other Disclosures [Abstract]
Net Cash Provided by (Used in) Operating Activities
Net cash provided by operating activities
Products And Services [Domain]
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total
Accumulated Other Comprehensive Income (Loss), Net of Tax
Accumulated other comprehensive loss
Tax effect
Balance as of March 31, 2024
Balance as of December 31, 2024
Debt Instrument [Line Items]
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Fair Market Value of Cash Flow Hedges [Member]
Property, Plant and Equipment, Net
Total property, plant and equipment
Lessee Operating Lease Liability Payments Due Year Four
2028
Net Cash Provided by (Used in) Operating Activities [Abstract]
Cash flow from operating activities:
Allowance For Loan And Lease Losses Real Estate [Member]
Investments, Other
Common Stock, Par or Stated Value Per Share
Common stock, par or stated value per share
Provision for Loan, Lease, and Other Losses [Abstract]
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax
Unrealized net gain on investments
Unrealized net gain (loss) on investments, net of tax
Unrealized net loss on investments and future policy benefits discount rate remeasurement gains (losses), Tax
Measurement Input Type [Domain]
Liability For Unpaid Claims And Claims Adjustment Expense Net [Abstract]
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Comprehensive income (loss) (net of tax):
Accounts Payable and Accrued Liabilities, Fair Value Disclosure, Total
Accounts Payable and Accrued Liabilities, Fair Value Disclosure
Timing of Transfer of Good or Service [Domain]
Liability For Future Policy Benefit Expected Net Premium Interest Income
Interest accrual
Statement of Cash Flows [Abstract]
Accumulated Translation Adjustment [Member]
Foreign Currency Translation [Member]
Preferred Stock, No Par Value
Preferred stock, no par value
Litigation settlement, amount
Payments for Legal Settlements
Litigation Status [Axis]
All Entities
Entity [Domain]
Credit Card Receivables [Member]
Credit card receivables
Derivative, Gain (Loss) on Derivative, Net, Total
Derivative Gain Loss On Derivatives Net
(Gain) loss reclassified from AOCI into Income
Interest expense resulting from derivatives
Contract Revenues
Revenue generated by the dealer agreement from related parties
Amount of revenue earned from products and services provided under the terms of contract, including, but not limited to, government contracts and construction contracts, classified as other.
Treasury Stock Preferred [Member]
Less: Treasury Preferred Stock [Member]
Equity Components [Axis]
The increase (decrease) during the reporting period in monies and or escrow deposits given as security or collateral for items acquired or borrowed on a temporary basis. Deposits may also be paid as initial payment of the cost of acquisition or for the right to enter into a contract or agreement.
Increase Decrease Escrow Deposits
Escrow deposits
Entity Address Address Line 1
Entity address, address line one
Interest Costs Capitalized Adjustment
Capitalized interest
Earnings Per Share Calculation Basic Diluted Earnings Per Share Voting Non Voting Common Stock
Schedule Of Earnings Per Share Basic And Diluted [Table Text Block]
Related Party Transaction [Table]
Available for sale securities, accrued interest receivable
Interest Receivable Noncurrent
A roll forward schedule of the summary of accumulated other comprehensive income (loss) components, net of tax.
Accumulated Other Comprehensive Income (Loss) Components, Net of Tax [Roll Forward]
Repayments of Annuities and Investment Certificates
Investment contract withdrawals
Preferred stock dividends paid
Liability For Future Policy Benefit Weighted Average Interest Accretion Rate
Weighted average original interest rate of the liability for future policy benefits
Line of Credit Facility, Collateral Fees, Amount
Facility fees
Matured or Redeemed Securities
Senior Debt Obligations [Member]
Payments to Acquire Held-to-maturity Securities
Fixed maturity investments
US Treasury, Government and Corporate Securities [Member]
U.S. treasury securities and government obligations [Member]
Accounts Payable, Fair Value Disclosure
Accounts payable
Investments
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]
Amendment
Amendment Flag
Fair Values Derivatives Balance Sheet Location By Derivative Contract Type By Hedging Designation [Table]
The Life Insurance operating segment includes Oxford and its wholly-owned subsidiaries. Oxford provides life and health insurance products primarily to the senior market through the direct writing of life insurance. Medicare supplement and annuity policies.
Life Insurance [Member]
Life Insurance
Combination of subsidiary companies holds various junior unsecured notes due from SAC Holdings, a related party.
Various Subsidiaries of Amerco [Member]
Various Subsidiaries of Amerco
This is a primary concept, which incorporates two US-GAAP concepts: (1) IncreaseDecreaseInReinsuranceRecoverable with the definition "the increase (decrease) during the reporting period in the amount of benefits the ceding insurer expects to recover on insurance policies ceded to other insurance entities as of the balance sheet date for all guaranteed benefit types." (2) IncreaseDecreaseInReceivables with the definition: "The increase (decrease) during the reporting period in the total amount due within one year (or one operating cycle) from all parties, associated with underlying transactions that are classified as operating activities."
Increase Decrease In Reinsurance Recoverables Receivables
Reinsurance recoverables and trade receivables
Contract with Customer, Duration [Domain]
Defined Benefit Plan Net Periodic Benefit Cost [Abstract]
Corporate Debt Securities [Member]
Corporate securities [Member]
Text Block [Abstract]
External Credit Rating by Grouping [Axis]
Policyholder Account Balance Weighted Average Crediting Rate
Weighted average credited rate
Defined Benefit Plan, Net Periodic Benefit Cost
Net periodic postretirement benefit cost
Net earnings available to common shareholders
Earnings available to common stockholders
Lessee Lease Description [Table]
Operating Costs and Expenses, Total
Operating Costs and Expenses
Operating expenses
Land
Schedule of Debt [Table Text Block]
Long-term debt
Long-Term Debt
Contract with Customer, Sales Channel [Axis]
Equity Component [Domain]
Cash Surrender Value Due Policyholders Amount
Cash surrender value
Range [Domain]
Securitization deposits
Proceeds from (Repayments of) Accounts Receivable Securitization
Proceeds from (Repayments of) Accounts Receivable Securitization, Total
Accumulated Amortization Of Noncurrent Deferred Finance Costs
Less: Debt issuance costs
Liability For Future Policy Benefit Current Weighted Average Discount Rate
Weighted average current interest rate of the liability for future policy benefits
Liability For Future Policy Benefit Expected Adjusted Beginning Balance
Liability For Future Policy Benefit Expected Adjusted Beginning Balance
Adjusted beginning of year balance
Investment Interest Rate
Proceeds from Sale of Property, Plant, and Equipment, Total
Proceeds from Sale of Property, Plant, and Equipment
Property, plant and equipment
Gain (Loss) on Investments
Gain (Loss) on Investments, Total
Net (gains) losses on sales of fixed maturity securities
Treasury Stock Common [Member]
Less: Treasury Common Stock [Member]
Disaggregation of Revenue [Table]
Defined Benefit Plan Plan Amendment [Abstract]
Other components of net periodic benefit costs:
Proceeds from Lines of Credit, Total
Proceeds from Lines of Credit
Borrowings from credit facilities
Financing Receivable Portfolio Segment [Domain]
Preferred Stock, Shares Issued
Preferred stock, shares issued
Preferred stock, value, issued
Operating Lease Payments
Percentage of estimated gain loss
Percentage Of Estimated Gain Loss
Percentage of estimated gain loss.
Accounts Payable and Accrued Liabilities, Total
Accounts Payable and Accrued Liabilities
Accounts payable and accrued expenses
Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis [Abstract]
Available-for-sale securities, amortized cost:
Management fee rate
Unused capacity fee
Provision for allowance (recoveries) for losses on trade receivables, net
Provision for Doubtful Accounts
Change in allowance for losses on trade receivables
Investment Product [Member]
Life and annuity claims in course of settlement and claims incurred but not yet reported / Reinsurance losses payable
Net investment and interest income recognized under other topics
Payables and Accruals [Abstract]
Sales Commissions and Fees
Commission expenses
Consolidation Items [Axis]
Operating Lease Expense
Lease expense
Transferred over Time [Member]
Revenues recognized over time:
Schedule Of Trading Securities And Other Trading Assets [Table]
Amerco Common Stock [Member]
Common stock securities that empower a holder to vote on corporate resolutions or the election of directors.
Liability For Future Policy Benefit Expected Net Premium Issuance
Issuances
Class of Stock [Domain]
Other Comprehensive Income (Loss), Net of Tax
Other comprehensive income (loss)
Other comprehensive income (loss) Net
Cumulative Effect Period Of Adoption Adjustment [Member]
After Transition Date [Member]
Amounts reported after adoption of to ASU 2018-12.
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Comprehensive income (loss) Net
Common Stock, Shares, Outstanding, Ending Balance
Common Stock, Shares, Outstanding, Beginning Balance
Common Stock, Shares, Outstanding
Common stock, shares, outstanding
Leases
Operating Leases Of Lessor Disclosure [Text Block]
Dividends Payable [Table]
Statutory Accounting Practices, Statutory Amount Available for Dividend Payments [Abstract]
Reclassified AOCI
AOCI, Derivative Qualifying as Hedge, Excluded Component, Parent [Member]
Real estate loan (amortizing term) [Member]
Real estate loan [Member]
Mortgages [Member]
Repayments of Lines of Credit
Principal repayments on credit facilities
Policyholder Account Balance [Line Items]
Available for sale securities, gross realized losses
Debt Securities, Available-for-Sale, Realized Loss
Short Term Investments
Short-term investments
Due To Related Parties
Amounts due to related parties
Amounts due to related parties, current.
Related Party Cost And Expense Abstract
Related Party Cost and Expense [Abstract]
Related party cost and expense:
Liability For Future Policy Benefit Expected Net Premium [Roll Forward]
Entity Interactive Data Current
Due in one year or less
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One
Derivative [Table]
Document Quarterly Report
Consolidated Entities [Axis]
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Total
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
Cash and cash equivalents at the beginning of period
Cash and cash equivalents at the end of period
Related Party Transactions
Related Party Transactions Disclosure [Text Block]
Statement of Financial Position Location, Balance [Axis]
Finance Lease [Member]
Finance Leases
Finance leases by balance sheet date.
Finance capital lease [Member]
Finance Lease Liability Undiscounted Excess Amount
Less: imputed interest
Life Insurance Segment [Member]
Range [Axis]
Policyholder Account Balance, Total
Policyholder Funds
Other policyholders' funds and liabilities
Policyholder contract deposits account balance Beginning of year
End of period
Property Subject to or Available for Operating Lease, Gross
Property subject to or available for operating lease, gross
Selling Expense
Cost of product sales
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Total
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax
Foreign currency translation, Pre-tax
Liability For Future Policy Benefit Expected Net Premium Increase Decrease For Other Change
Adjusted balance, beginning of year April 1, 2021
Other
Operating Lease Cost
Operating lease costs
Financial Instruments Financial Liabilities Balance Sheet Groupings [Abstract]
Liabilities
Assets, Fair Value Disclosure
Total
Related Party [Domain]
U-Haul Holding Company
Parent Company [Member]
Total finance lease cost
Lease Cost
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax, Total
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax
Foreign currency translation, Tax
Disaggregation Of Revenue
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
Lessee, Operating Lease, Liability, to be Paid, Maturity
Accrued Liabilities, Fair Value Disclosure
Accrued expenses
Series C, amount
Debt Instrument, Redemption, Period Three [Member]
Common stock dividend
Dividends common stock paid unpaid-in kind.
Dividends Common Stock Paid Unpaid-in Kind
Other obligations
Notes Payable, Other Payables [Member]
Liability For Future Policy Benefit Expected Future Policy Benefit Cumulative Increase Decrease Of Actual Variance From Expected Experience
Effect of actual variances from expected experience
Basis of Presentation
Basis of Presentation and Significant Accounting Policies [Text Block]
Derivative [Line Items]
Other Investments [Member]
Loss Contingency, Nature [Domain]
Segments, Geographical Areas [Abstract]
Effects of exchange rate on cash
Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Disposal Group Including Discontinued Operations
Fair Value By Measurement Basis [Axis]
Increase (Decrease) in Prepaid Expense
Prepaid expenses
Statement of Income Location, Balance [Axis]
Allowance for Credit Losses
Allowance For Credit Losses [Text Block]
Assets
Identifiable assets
Total assets
Increase (Decrease) in Due to Related Parties, Current, Total
Increase (Decrease) in Due to Related Parties, Current
Related party liabilities
Related party liabilities
Schedule of Long-term Debt Instruments [Table]
Payments To Acquire Equity Securities FvNi
Equity securities
Life And Annuity Insurance Product Line [Member]
Life Insurance
Condensed Income Statements, Captions [Line Items]
Increase (Decrease) in Equity Securities, FV-NI
Net gains on equity securities
Entity Address City Or Town
Entity address, City or Town
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss)
Equity [Abstract]
Segments [Axis]
Fair value of common stock at quoted prices in active markets.
Common Stock, Fair Value Disclosure
Common stock
Components of Net Periodic Post Retirement Benefit Cost
CANADA [Member]
Canada [Member]
This member further defines the concepts that follow. In this way, share concepts can be repeated and are unique to the taxonomy.
Series Preferred Stock With or Without Par Value [Member]
Series preferred stock, with or without par value, 50,000,000 shares authorized:
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Schedule of Maturities of Long-term Debt [Table Text Block]
Schedule of long-term debt instrument
Annual Maturities of Notes, Loans and Leases Payable
2026
Finance Lease Liability Payments Due Year Two
Liability For Future Policy Benefit Expected Future Policy Benefit Discounted At Original Rate
Discounted balance at original discount rate
Discounted balance at original discount rate, subsidiary.
Deferred Policy Acquisition Costs Amortization Expense Accrued Interest
Amortization expense
Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table]
Dividends [Axis]
O 2025 Q3 Dividends [Member]
Distribution of earnings in the form of cash, or capital stock declared by the board of directors to be distributed to shareholders, for the quarter.
Current Year, Ordinary Dividend, Quarter three
Measurement Input Actual Morbidity Rate [Member]
Morbidity actual experience
Morbidity in actual experience.
Long Term Debt Maturities Repayment Terms
Assets by operating segment
Condensed Balance Sheet [Table Text Block]
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items]
Depreciation, Total
Depreciation
Restatement [Domain]
Due in one year or less
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One
Interest Rate Derivative Assets, at Fair Value
Derivatives
Policyholder Account Balance Increase Decrease From Other Change
Other
Nonvoting Common Stock [Member]
Series A Preferred Stock [Member]
Series A preferred stock, with no par value, 6,100,000 authorized; 6,100,000 shares issued and none outstanding as of June 30 and March 31, 2013
Series A preferred stock
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Ending Balance
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Beginning Balance
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Total
Deferred Policy Acquisition Costs and Value of Business Acquired
Deferred policy acquisition costs, net
Valuation And Qualifying Accounts Disclosure [Line Items]
Operating Lease Weighted Average Discount Rate Percent
Operating leases
Accumulated Other Comprehensive Income (Loss) [Line Items]
Revenues and earnings by segment
Condensed Income Statement [Table Text Block]
Fair Value Disclosures [Abstract]
Stockholders' Equity, Period Increase (Decrease), Total
Stockholders Equity Period Increase Decrease
Net activity
Finance Lease Liabilities Payments Due [Abstract]
Finance Lease Right Of Use Asset Net
Right of use assets, net
Finance lease, right of use assets, net.
Premiums Receivable Gross
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax
Change in fair value of cash flow hedges, (net of tax)
Change in fair value of cash flow hedges, Tax
O 2024 Q3 Dividends [Member]
Distribution of earnings in the form of cash, or capital stock declared by the board of directors to be distributed to shareholders, for a previous quarter.
Prior Year, Ordinary Dividend, Quarter three
Payout Annuities
Deferred Fixed Annuity [Member]
Deferred liabilities
Right Of Use Assets Rental Equipment
Rental trailers and other rental equipment
Right of use assets, rental trailers and other rental equipment.
Lessee Lease Description [Line Items]
Available For Sale Debt Securities Accumulated Gross Unrealized Gain
Amount of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
Related Parties Amounts Due
Related party assets
Amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.
Interest Credited To Policy Owner Account
Interest credited to policyholders
Document Type
Document Type
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent
Change in fair value of cash flow hedges
Change in fair value of cash flow hedges, (net of tax)
Liability For Future Policy Benefit Activity [Table]
Capital Lease Obligations [Member]
Capital Leases (rental equipment) [Member]
Fees And Amortization On Early Extinguishment Of Debt
Fees And Amortization On Early Extinguishment Of Debt
Fees and amortization on early extinguishment of debt
Security 12 b Title
Title of 12(b) Security
Cash and Cash Equivalents, at Carrying Value, Total
Cash and Cash Equivalents, at Carrying Value
Cash and cash equivalents at the end of the period
Cash and cash equivalents at the beginning of period
Cash and cash equivalents
Statement of Financial Position Location, Balance [Domain]
Lessee Operating Lease Liability Payments Due Year Five
2029
Lease Cost [Table Text Block]
Components of Lease Expense
Debt Instrument, Redemption, Period [Axis]
Dividends [Domain]
Statement of Stockholders' Equity [Abstract]
Contract with Customer, Duration [Axis]
Document Fiscal Period Focus
Adoption Of New Accounting Pronouncement Adjustments To Select Tables
Accounting Standards Update and Change in Accounting Principle [Table Text Block]
Accounting Pronouncements
Reserve Allowance for Various Credit Loss
Accounts Receivable Allowance For Credit Loss [Table Text Block]
Property, Plant and Equipment, Gross, Ending Balance
Property, Plant and Equipment, Gross, Beginning Balance
Property, Plant and Equipment, Gross, Total
Property, Plant and Equipment, Gross
Property, plant and equipment (gross)
Maturities of Long-term Debt [Abstract]
Defined Benefit Plan, Interest Cost
Interest cost on accumulated postretirement benefit
Interest cost on accumulated post retirement benefit
Life insurance premiums
Premiums Earned, Net
Premiums Earned, Net, Total
Series B, amount
Debt Instrument, Redemption, Period Two [Member]
Finance Lease, Right-of-Use Asset, after Accumulated Amortization, Total
Right of use Assets - Financing
Finance lease right-of-use assets
Increase (Decrease) in Deferred Policy Acquisition Costs
Capitalization of deferred policy acquisition costs
Capitalization of deferred policy acquisition costs
Measurement Input Expected Term [Member]
Expected policy benefits:
Market Risk Benefit After Increase Decrease From Instrument Specific Credit Risk Adjusted Amount
Adjusted balance, beginning of year April 1, 2021
Adjustment for difference between carrying amount and fair value, excepts for the difference due to instrument specific credit risk, adjusted balance of new period.
Schedule Of Supplemental Balance Sheet Information Related To Leases [Table Text Block]
Supplemental Balance Sheet Information Related to Leases
Schedule of supplemental balance sheet information related to leases.
Contingencies
Legal Matters and Contingencies [Text Block]
Collateralized Mortgage Backed Securities [Member]
Mortgage-backed securities [Member]
Operating Segments [Member]
Operating Segments
Loans Insurance Policy
Policy loans
Valuation Allowances And Reserves Type [Axis]
Policyholder Benefits and Claims Incurred, Net, Total
Policyholder Benefits and Claims Incurred, Net
Benefits and losses
Due after ten years
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10
Long-term Debt, Maturities, Repayments of Principal after Year Five
Thereafter
Fair Value, Twelve Months or Longer
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer
Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain]
Net (gains) losses recognized in net investment and interest income
Investment Income, Net
Investment Income, Net, Total
Decrease, fair value, cash flow hedges
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Cash generated from agreements and notes with SAC Holdings, Four SAC, Five SAC, Galaxy and Private Mini, excluding Dealer Agreements.
Cash Generated from Agreements and Notes
Cash flow, related party
Benefit payments
Policyholder Account Balance Benefit Payment
Operating Lease, Variable Lease Income
Payments received from customers, income recognized
Deferred income taxes
Deferred Income Taxes and Tax Credits, Total
Deferred Income Taxes and Tax Credits
Current Year, Ordinary Dividend, Quarter one
O 2025 Q1 Dividends Member
Distribution of earnings in the form of cash or capital stock declared by the board of directors to be distributed to shareholders, Current Year, Quarter one.
Trade receivables, net
Receivables, Fair Value Disclosure
Receivables, Fair Value Disclosure, Total
Common Stock, Dividends, Per Share, Declared
Statement of Comprehensive Income [Abstract]
Gains Losses On Sales Of Credit Card Portfolio
Allowance for expected credit losses
Accumulated Other Comprehensive Income (Loss) [Table]
Income Tax Disclosure [Text Block]
Income Tax
The earliest maturity year for these debt instruments.
Maturity Start Year
Debt instrument, maturity year range, start
Gain (Loss) on Investments [Abstract]
Depreciation:
Allowance For Credit Loss [Member]
Trade Receivables
Measurement Input Actual Mortality Rate [Member]
Lapses actual experience
Lapses in actual experience.
Consolidated Entities [Domain]
Derivative Instruments Gain Loss Reclassified From Accumulated OCI Into Income Effective Portion Before Tax
The effective portion of gain loss reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments, before tax.
Amounts reclassified into earnings on hedging activities, Pre-tax
Series B Preferred Stock [Member]
Series B preferred stock, with no par value, 100,000 shares authorized; none issued and outstanding as of June 30 and March 31, 2013
Series B preferred stock
Deferred Revenue, Revenue Recognized
Debt Securities, Available-for-Sale [Table]
Increase Decrease In Stockholders Equity [Roll Forward]
Cosolidated statement of change in equity
Debt Instrument, Frequency of Periodic Payment
Undistributed Earnings Available Common Stockholders Allocation Percentage
Allocation of common stock available to share holders
Aggregate common stock shares outstanding, percentage allocated to voting and non-voting shareholders.
Average Historical Chargeback Term
Evaluation and assessment of customer credit worthiness over a specified time.
Entity Address Address Line 2
Entity address, address line two
Undistributed Earnings (Loss) Available to Common Shareholders, Basic, Total
Undistributed Earnings Loss Available To Common Shareholders Basic
Undistributed earnings available to common stockholders
Non-Voting Common Stock dividends declared
Period End Date
Document Period End Date
Net cash provided by financing activities
Net Cash Provided by (Used in) Financing Activities
Interest paid (received) in cash on derivative contracts
Payments for (Proceeds from) Derivative Instrument, Financing Activities
Payments for (Proceeds from) Derivative Instrument, Financing Activities, Total
Private Mini Storage Realty, L.P. (Private Mini") is ultimately controlled by Blackwater.
Private Mini [Member]
Private Mini
Common Class A [Member]
Series A common stock of $0.25 par value, 10,000,000 shares authorized; none issued and outstanding as of June 30 and March 31, 2013
Serial Common Stock [Member]
Amount paid by Insurer
Litigation Settlement, Amount Awarded to Other Party
Stockholders' Equity [Abstract]
Individual Insurance Policy [Member]
Payout annuities and market risk benefits
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Carrying Reported Amount Fair Value Disclosure [Member]
Carrying Value [Member]
Due after one year through five years
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five
Schedule Of Trading Securities And Other Trading Assets [Line Items]
Lessee Operating Lease Liability Payments Due After Year Five
Thereafter
Deferred Revenue, Total
Deferred Revenue
Deferred income
Statements Adjusted Abstract
Statements Adjusted [Abstract]
Income Tax Expense (Benefit), Total
Income Tax Expense (Benefit)
Income tax expense
Net earnings
Net earnings, Tax
Operating Leases Remaining Lease Term And Weighted Average Discount Rate Abstract
Operating Leases Remaining Lease Term And Weighted Average Discount Rate [Abstract]
Dividends Common Stock Cash
Common stock dividends
Available-for-sale Securities [Abstract]
Available-for-sale securities, investments:
Available-for-sale securities, fair value:
Trading Symbol
Equity, Attributable to Parent, Ending Balance
Equity, Attributable to Parent, Beginning Balance
Stockholders' Equity Attributable to Parent
Total stockholders' equity
Operating cash flows for financing leases.
Operating Cash Flows For Financing Leases
Cash paid for operating leases
Valuation And Qualifying Accounts [Abstract]
Buildings and Improvements, Gross
Buildings and improvements
Commission expenses
Commission Expense [Member]
Primary financial statement caption encompassing expenses associated with commission expenses.
Paid and unpaid percentage
Contracts in Force Subject to Participation through Reinsurance, Ratio
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax
Unrealized net loss on investments and future policy benefits discount rate remeasurement gains (losses), Pre-tax
Property, Plant and Equipment, Type [Axis]
Cumulative Effect Of Adoption Liabilities [Member]
Increase (decrease) to financial statements for cumulative-effect adjustment in period of adoption of amendment to accounting standards for Liabilities.
Before Transition Date [Member]
Amounts reported prior to ASU 2018-12 adoption.
Right Of Use Assets Furniture Equipment
Furniture and equipment
Right of use assets, furniture and equipment.
Derivative Instrument Risk [Axis]
Related Party Transactions [Abstract]
Provision for (or reversal of) credit losses
Financing Receivable, Credit Loss, Expense (Reversal)
Other Policyholder Funds
Other policyholders' funds and liabilities
Supplemental Income Statement Elements [Abstract]
Related party:
Related party costs and expenses:
Weighted average interest rate
Debt Weighted Average Interest Rate
Measurement Input Type [Axis]
Deferred Policy Acquisition Costs
Balance, beginning of year
Balance, end of year
Deferred acquisition costs and related asset balances
Geographical [Axis]
Finance Lease Liability Payments Due Year Three
2027
Leases [Abstract]
Amerco has agreements and notes with these entities.
Sac Holdings, Four Sac, Five Sac, Galaxy, and Private Mini [Member]
SAC Holdings, Four SAC, Five SAC, Galaxy, and Private Mini
This insurance grouping includes RepWest and Oxford Life Insurance.
Insurance Group [Member]
Insurance group
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Class Of Stock [Line Items]
Summary Of Accumulated Other Comprehensive Income Loss Components Net Of Tax Abstract
Summary of Accumulated Other Comprehensive Income (Loss) Components, Net of Tax [Abstract]
This company-specific concept is a combination of two US-GAAP taxonomy concepts. (1) Depreciation: "The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation." (2) Gain (Loss) on Disposition of Assets: "The gains and losses included in earnings resulting from the sale or disposal of tangible assets."
Depreciation, Net of Gains (Losses) on Disposals
Depreciation, net of (gains) losses on disposals
Depreciation, net of (gains) on disposals (($7,917) and ($8,921),respectively)
Condensed Balance Sheet Statements, Captions [Line Items]
Operating Lease, Lease Income, Lease Payments
Operating lease income
Finance Lease [Abstract]
Finance leases
Finance lease abstract.
Finance Lease, Liability, to be Paid, Maturity [Table Text Block]
Finance lease, Liability, to be Paid, Maturity
Security Exchange Name
Sale Revenues Goods Gross
Self moving and self-storage products and service sales
Aggregate revenues during period from sale of goods in the normal course of business, before deducting returns, allowances and discounts.
Equipment Trust Certificate [Member]
Amerco manages the self-storage properties of these entities.
Sac Holdings, Mercury, Four Sac, Five Sac, Galaxy and Private Mini [Member]
SAC Holdings, Mercury, Four SAC, Five SAC, Galaxy and Private Mini
Income Loss From Continuing Operations Per Basic Share, Total
Income Loss From Continuing Operations Per Basic Share
Basic and diluted earnings per common share
Basic and diluted earnings per share Common Stock
Operating Expenses, Total
Operating Expenses
Operating expenses
Operating expense
Financing Receivable Recorded Investment Class Of Financing Receivable [Domain]
Cumulative Effect Period Of Adoption [Axis]
Property, Plant and Equipment, Type [Domain]
Total
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax
Unrealized net loss on investments and future policy benefits discount rate remeasurement gains (losses), Tax
Loss Contingency Nature [Axis]
Class of Stock [Axis]
Deposits Assets
Other assets
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Less: Accumulated depreciation
Legal Entity:
Legal Entity [Axis]
Working Capital Loans [Member]
Real estate loans (revolving credit) [Member]
Fair Value Measurements
Fair Value Disclosures [Text Block]
Furniture and Fixtures, Gross
Furniture and equipment
Lessee Operating Lease Liability Payments Due Year Three
2027
Gain Loss Disposal Of Assets
Net (gains) losses on disposal of real estate
Amount of (gain) loss on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.
Net losses on disposal of real estate
Maximum [Member]
Liabilities and Equity
Total liabilities and stockholders' equity
Due after five years through ten years
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10
Location of Court, Litigation
Loss Contingency, Settlement Agreement, Court
Right of use Assets - Operating
Operating lease right of use assets
The Company has not provided financial or other support explicitly or implicitly during the period ended to any of these entities that it was not previously contractually required to provide. The carrying amount and the classification of assets and liabilities in the Company's balance sheet that related to the Company's variable interest in the Blackwater's entities are noted here, which approximate the maximum exposure to loss as a result of the Company's involvement with these entities.
Due from Related Party, Recap of Assets [Text Block]
Related party assets
Compensation and Retirement Disclosure [Abstract]
The Property and Casualty Insurance operating segment includes RepWest and its wholly-owned subsidiaries and ARCOA risk retention group ("ARCOA"). Property and Casualty Insurance provides loss adjusting and claims handling for U-Haul through regional offices across North America. Property and Casualty Insurance also underwrites components of the Safemove, Safetow, Super Safemove and Safestor protection packages to U-Haul customers. The business plan for the Property and Casualty Insurance operating segment includes offering property and casualty products in other U-Haul related programs. ARCOA is a captive insurer owned by the Company whose purpose is to provide insurance products related to the moving and storage business.
Property and Casualty Insurance [Member]
Property and Casualty Insurance
Nonredeemable Preferred Stock [Member]
Non-redeemable preferred stocks [Member]
Leasehold Improvements [Member]
Operating Leases
Liabilities
Total liabilities
Total liabilities
Borrowings under Guaranteed Investment Agreements
Cash Flow Financing Activities Lessee [Abstract]
Finance lease cost:
Fair Value Hierarchy [Domain]
Total
Available for sale securities, realized gains
Debt Securities, Available-for-Sale, Realized Gain
Increase (Decrease) in Operating Assets [Abstract]
Net change in other operating assets and liabilities:
Net Cash Provided by (Used in) Investing Activities
Net cash used by investing activities
Measurement Input Morbidity Rate [Member]
Morbidity expected experience
Real Estate Investment Property, at Cost, Total
Real Estate Investment Property At Cost
Real estate, other
Liability For Future Policy Benefit Expected Future Policy Benefit Undiscounted Before Reinsurance
Undiscounted balance
Other Comprehensive Income (Loss), before Tax [Abstract]
Comprehensive income (loss) (pretax):
Entity Filer Category
Measurement Input Mortality Rate [Member]
Mortality expected experience
Total other comprehensive income (loss) (pretax)
Total other comprehensive income (loss) (pretax)
Other Comprehensive Income (Loss), Pre-tax
Financing Receivable Portfolio Segment [Axis]
Financing Receivable Recorded Investment By Class Of Financing Receivable [Axis]
Reclassification out of Accumulated Other Comprehensive Income [Table]
Debt Instrument, Redemption, Period [Domain]
Equity, Including Portion Attributable to Noncontrolling Interest, Total
Stockholders Equity Including Portion Attributable To Noncontrolling Interest
Balance, beginning of period
Balance, end of period
Treasury Stock, Number of Shares and Restriction Disclosures [Abstract]
Treasury stock:
Liability For Future Policy Benefit Expected Future Policy Benefit Interest Expense
Interest accrual
Related party transactions controlled by a consolidated group of major stockholders, directors and officers.
Blackwater [Member]
Policyholder Account Balance Premium Received
Deposits received
Transition Adjustment Expected Credit Loss Current
Transition adjustment current expected credit losses
Transition adjustments current expected credit losses.
Rental Trucks and Rental Trailers and Other Rental Equipment are defined to be under the same US-GAAP concept, "Property subject to or available for operating lease, gross." The equipment is maintained so that our customers can complete a rental contract for a do-it-yourself move.
Rental Trailers and Other Rental Equipment [Member]
Rental trailers and other rental equipment
Proceeds from Sale of Held-to-maturity Securities
Fixed maturity investments
Derivative Notional Amount
Current Fiscal Year End Date
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Less: imputed interest
Lessee Operating Lease Liability Undiscounted Excess Amount
Related Party [Axis]
Interest Expense, Debt, Excluding Amortization
Interest expense
Registrant Name
Entity Registrant Name
Other Income
Other revenue
Right Of Use Assets Gross
Right-of-use assets, gross
Components of our right of use assets, gross.
Unrealized Loss, Total
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss, Total
Employee Benefit Plans
Compensation and Employee Benefit Plans [Text Block]
Increase (Decrease) in Future Policy Benefit Reserves
Policy benefits and losses, claims and loss expenses payable
Operating Lease [Member]
Operating leases
Operating leases by balance sheet date.
Number of Reportable Segments
Number of reportable segments
Earnings Per Share
Earnings Per Share [Text Block]
Senior note, maturity date
Debt Instrument, Maturity Date
Entity Emerging Growth Company
Business Combination Separately Recognized Transactions [Table]
Weighted Average Number of Shares Outstanding, Basic, Total
Weighted Average Number Of Shares Outstanding Basic
Weighted average common shares outstanding: basic and diluted
Right Of Use Assets Rental Trucks
Rental trucks
Right of use assets, rental trucks.
Loss Contingencies [Line Items]
Data Security Breach
Insurance Claims [Member]
Liability For Future Policy Benefit Weighted Average Duration
Expected future lifetime (persistency) of policies in force (years)
Derivative Liability, Notional Amount
Total notional amount of Company's variable interest rate swaps on debt
Notional amount (debt)
Liability For Future Policy Benefits Payment For Benefits
Net premium collected
Operating Lease Liabilities Payments Due [Abstract]
Schedule of Line of Credit Facilities [Table Text Block]
Schedule of line of credit facilities
Interest rates and company borrowings
Common Stock, Shares Authorized
Common stock, shares authorized
Liability for Claims and Claims Adjustment Expense [Table]
Finance Lease Interest Expense
Interest on lease liabilities
Level 1 [Member]
Quoted Prices in Active Markets for Identical Assets (Level 1)
Policy Benefits and Losses, Claims and Loss Expenses Payable
Insurance Disclosure [Text Block]
Accounts payable and accrued expenses
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total
Debt Disclosure [Abstract]
Litigation Status [Domain]
Movement Analysis Of Deferred Policy Acquisition Costs [Roll Forward]
Costs and Expenses, Related Party
Related party, costs and expenses, net of eliminations
Related party expenses, total
Financial Instrument [Axis]
Deferred Policy Acquisition Costs, Net
Deferred Policy Acquisition Costs [Text Block1]
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Unrealized Net Gain on Investments [Member]
Liability For Future Policy Benefit Expected Future Policy Benefit Issuance
Issuances
Health Insurance Product Line [Member]
Health Insurance
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax
Change in fair value of cash flow hedges, Pre-tax
Schedule of Related Party Transactions [Table Text Block]
Related Party Revenue
Accumulated Other Comprehensive Loss
Comprehensive Income (Loss) Note [Text Block]
Equity securities, at estimated fair value
Equity Securities FvNi
Estimated market value, equity investments
Guarantees, Fair Value Disclosure
Guaranteed residual values of TRAC leases
Equity Securities FvNi Cost
Amortized cost, equity investments
Summary of Accumulated Other Comprehensive Income (Loss) Components, Net of Tax
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Available For Sale Securities Debt Securities
Estimated market value
Fixed maturities - available for sale
Available for sale investments, estimated market value
Accounting Policies [Abstract]
Undistributed Earnings (Loss) Allocated to Participating Securities, Basic, Total
Undistributed Earnings Loss Allocated To Participating Securities Basic
Undistributed earnings available to common stockholders, participating securities
Income Tax Disclosure [Abstract]
Business Combination Separately Recognized Transactions [Line Items]
Stockholders' Equity Attributable to Parent [Abstract]
Stockholders' equity:
Deferred income
Increase (Decrease) in Insurance Settlements Receivable
Substantially all of the equity interest in SAC Holdings is controlled by Blackwater investments, Inc. ("Blackwater").
Sac Holdings [Member]
SAC Holdings
Interest Income, Other
Other interest expense
Corporate [Member]
Oxford
Statement [Table]
The latest maturity year for these debt instruments.
Maturity End Year
Debt instrument, maturity year range, end
Earnings from operations before equity in earnings of subsidiaries, total
Income (Loss) Attributable to Parent, before Tax
Participating Mortgages [Member]
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest, Total
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
Comprehensive income (loss) Tax
Debt Instruments [Abstract]
Condensed Income Statement [Table]
Preferred Stock, Shares Authorized
Preferred stock, shares authorized
Interest Expense, Operating and Nonoperating [Abstract]
Interest expense, borrowings:
Assets Fair Value Carrying Value
Total
Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events, carrying value.
Long-term Debt, Fiscal Year Maturity [Abstract]
Long-term debt, by Maturity:
Debt instrument, maturities:
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation
Indexed Annuity [Member]
LFPB flooring effect
Related party, revenues, net of eliminations
Property management fees
Management fee revenue
Entity File Number
Percent Weighted Average Shares Outstanding Common Stock
The amount of net income (loss), expressed in percentage, from continuing operations per each share of common stock or unit outstanding during the reporting period.
Moving and Storage Treasuries
Asset-Backed Securities [Member]
Increase (decrease) in cash and cash equivalents
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
Increase (decrease) in cash and cash equivalents
Increase (decrease) cash and cash equivalents
Revenue From Contract With Customer [Abstract]
Other Long Term Investments
Other investments
Earnings Per Share [Abstract]
Transferred at Point in Time [Member]
Revenues recognized at a point in time:
Earnings Per Share Basic Undistributed
Undistributed earnings per share, common stock
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
Income Taxes paid, state and local
Defined Benefit Plan, Other Costs
Other components
Common Stock Dividends Declared Voting Value
Voting Common Stock dividends declared
Aggregate dividends paid during the period for each share of voting common stock outstanding.
Debt and Lease Obligation, Total
Debt and Capital Lease Obligations
Notes, loans and leases payable
Notes, loans and leases payable
Statement of Financial Position [Abstract]
Interest Expense, Operating and Nonoperating
Interest Income
Total interest expense
Interest expense
Interest expense
Interest income (expense)
Operating Income (Loss)
Earnings from operations
Earnings from operations
2025
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months
Reinsurance Recoverables On Paid Losses Gross
Gross premiums
Entity Shell Company
Market Risk Benefit After Increase Decrease From Instrument Specific Credit Risk Difference Carrying Amount Fair Value
Adjustment for difference between carrying amount and fair value, excepts for the difference due to instrument specific credit risk
Adjustment for the difference between carrying amount and fair value, excepts for the difference due to instrument specific credit risk.
Entity Tax Identification Number
Assets [Abstract]
ASSETS:
Assets:
Series D, amount
Debt Instrument, Redemption, Period Four [Member]
Entity Current Reporting Status
Liabilities Fair Value Carrying Value
Total
Fair value of financial and nonfinancial obligations, carrying value.
Gross realized gains on sales of Treasuries
Debt Securities, Available-for-Sale, Realized Gain (Loss)
Debt Securities, Available-for-Sale, Realized Gain (Loss), Total
Finance Lease Liability Payments Due Year Four
2028
Loss Contingency, Settlement [Abstract]
Balance Changes Liabilities Investment Contracts
Policyholder Account Balance [Table Text Block]
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
Accounts Payable and Accrued Expenses
Listed separately the shares and values of common and preferred stock in treasury.
Preferred Stock in Treasury [Member]
Cost of preferred shares in treasury, net (6,100,000 shares as of June 30 and March 31, 2013)
Cost of preferred shares in treasury, net
Liability For Future Policy Benefit Expected Net Premium Cumulative Increase Decrease From Cash Flow Changes
Change in cash flow assumptions, net of premiums exceeding gross premiums
Change in cash flow assumptions, net of premiums exceeding in gross premiums.
Line of Credit Facility, Interest Rate During Period
Interest rate at quarter end
Long-term Debt, Type [Axis]
Scenario Previously Reported [Member]
Previously Reported
Geographical [Domain]
Consolidated
Document Fiscal Year Focus
Schedule of Deferred Policy Acquisition Costs
Deferred Policy Acquisition Costs
Deferred Policy Acquisition Costs [Table Text Block]
Liability For Future Policy Benefit Expected Future Gross Premium Discounted Before Reinsurance
Discounted balance at current discount rate
Other General and Administrative Expense
U-Haul commission expenses
Commission expenses, generated from dealer agreement with related parties
Preferred Stock, Value, Issued
Preferred stock, value, issued
Policyholder Account Balance [Table]
Our disclosure provides for only the interest expense on borrowings. Within the US-GAAP taxonomy, there is an Interest Income and Interest Expense Disclosure [Text Block], but nothing that specifically covers only Interest Expense.
Interest Expense Disclosure [Text Block]
Interest expense disclosure
Components of interest expense
Due after one year through five years
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five
Total Other Comprehensive Income (Loss), Tax, Total
Other Comprehensive Income (Loss), Tax
Other comprehensive income (loss) Tax
Liability For Future Policy Benefit Expected Net Premium Net Premium Collected
Net premium collected
City Area Code
The DebtInstrumentMaturityDate could have worked for this element, but it must include the format Month-Date-Year. Will use this US-GAAP Element in the next few schedules, when possible, where we break down the various items that make up the Borrowing's narrative.
Maturity Year
Debt instrument, maturity year
Derivative Contract Type [Domain]
Policyholder Account Balance [Roll Forward]
Schedule Of Weighted Average Remaining Lease Terms And Discount Rates [Table Text Block]
Summary of Weighted-average remaining lease terms and Discount rates
Schedule of weighted-average remaining lease terms and discount rates.
Inventory, Net, Total
Inventory, Net
Inventories, net
Sales Channel, Directly to Consumer [Member]
Revenues recognized under ASC 606
Financing Receivable Impaired [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Income taxes paid, federal
List of other comprehensive income items not related to net earnings
Other Comprehensive Income (Loss) [Abstract]
Other comprehensive income (loss):
Due after ten years
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10
Next five years and thereafter revenue
Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block]
Local Phone Number
Related Party Revenue Abstract
Related Party Revenue [Abstract]
Related party transactions:
Other Investments, Total
Other Investments
Other equity investments
Settled Lawsuit
Settled Litigation [Member]
Preferred Stock, Shares Outstanding, Ending Balance
Preferred Stock, Shares Outstanding, Beginning Balance
Preferred Stock, Shares Outstanding
Preferred stock, shares outstanding
Additional Paid in Capital, Total
Additional Paid in Capital
Additional paid-in capital
Prior Year, Ordinary Dividend, Quarter one
O 2024 Q1 Dividends Member
Distribution of earnings in the form of cash or capital stock declared by the board of directors to be distributed to shareholders, prior year, quarter one.
Unrealized Loss, Less than Twelve Months
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
The revolver requires monthly interest payments only for the first four years and principal and interest payments due over the last nine months. The interest rates, per the provision of the revolving fleet loan are the applicable LIBOR plus a margin.
Fleet Loans Revolving Credit [Member]
Fleet loans (revolving credit) [Member]
Common Stock Dividens Per Share Cash Paid
Dividend paid, amount per share
Disclosure Text Block [Abstract]
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]
Cash flow from investing activities:
Commitments and Contingencies Disclosure [Abstract]
Treasury Stock, Value, Total
Treasury Stock, Value
Treasury stock, value
Fair Value By Balance Sheet Grouping [Table]
Amortized cost
Available For Sale Debt Securities Amortized Cost Basis
Amortized cost
Available for sale investments, amortized cost
AOCI Attributable to Parent [Abstract]
Capitalization
Deferred Policy Acquisition Costs Additions
Right Of Use Asset Obtained In Exchange For Finance Lease Liability
Sale leaseback transactions, amount
Increase (Decrease) in Due from Related Parties, Current, Total
Increase (Decrease) in Due from Related Parties, Current
Related party assets
Long-Term Contract with Customer [Member]
Revenues recognized under ASC 842
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Foreign currency translation
Foreign currency translation, Net
Liability For Future Policy Benefit Activity [Line Items]
Debt Instrument, Interest Rate, Stated Percentage
Debt instrument, interest rate, stated percentage
Retained Earnings [Member]
Liability for Future Policy Benefit, before Reinsurance, Total
Liability For Future Policy Benefits
Payments to Acquire Property, Plant, and Equipment, Total
Payments to Acquire Property, Plant, and Equipment
Property, plant and equipment
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Document Transition Report
Deposits, Fair Value Disclosure
Market risk benefits
Liability For Unpaid Claims And Claims Adjustment Expense Reported Claims Amount
Balance, end of year March 31, 2021
Increase (Decrease) in Other Operating Assets, Total
Increase (Decrease) in Other Operating Assets
Other assets
Other assets
Long-Term Debt, Unclassified [Abstract]
Property, Liability and Casualty Insurance Product Line [Member]
Insurance premium revenues recognized under ASC 944
Lessee Operating Lease Liability Payments Due Year Two
2026
Valuation Allowances And Reserves [Domain]
Quarter Ending Abstract
Quarter Ending [Abstract]
Quarter ended:
Postemployment Benefits [Abstract]
Investments, other
Proceeds from Sale of Other Investments
Due after five years through ten years
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10
Measurement Input Utilization Rate [Member]
Expected gross premiums:
Derecognition of shadow reserves
Effect of changes in cash flow assumptions
Liability For Future Policy Benefit Expected Net Premium Cumulative Increase Decrease From Cash Flow Change
Effect of changes in cash flow assumptions
Interest Paid, Including Capitalized Interest, Operating and Investing Activities [Abstract]
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change, Total
Liability For Future Policy Benefit Expected Net Premium Before Reinsurance After Discount Rate Change
Balance, end of year March 31, 2021
Effect of changes in discount rate assumptions (AOCI)
Minimum [Member]
Common Stock [Member]
Common stocks [Member]
2026
Long-term Debt, Maturities, Repayments of Principal in Year Two
Summary of Dividends Declared
Schedule Of Stockholders Equity [Table Text Block]
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Finance Leases Weighted Average Remaining Lease Term And Discount Rate Abstract
Finance Leases Weighted Average Remaining Lease Term And Discount Rate [Abstract]
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
Schedule of derivative instruments in statement of financial position, fair value
Derivative Fair Values Located in Accounts Payable and Accrued Expenses in the Balance Sheet
Additional Paid-in Capital [Member]
Debt Securities Trading And Equity Securities FvNi Cost [Abstract]
Line of Credit Facility, Maximum Amount Outstanding During Period
Maximum amount outstanding during the quarter
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Adjustments to reconcile net earnings to cash provided by operations:
Statement of Income Location, Balance [Domain]
Lessee Operating Lease Liability Payments Due Next Twelve Months
2025 (9 months)
Measurement Input Lapse Rate [Member]
Lapses expected experience
Segments [Domain]
AMERCO Reportable Segment
Liability For Future Policy Benefit Remeasurement Gain Loss Limited Payment Contract
Subtotal
Derivative Instruments, Gain (Loss) [Table Text Block]
Schedule of derivative instruments, gain (loss) in statement of financial performance
Effect of Interest Rate Contracts on the Statement of Operations
Business Combination Separately Recognized Transactions [Table Text Block]
Carrying value of Investments, other
Payments To Acquire Investments [Abstract]
Purchase of:
Entity Common Stock, Shares Outstanding
Revision Of Prior Period Accounting Standards Update Adjustment [Member]
Effect of adoption
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax
Change in fair value of cash flow hedges, Net
Fair Value, Less than Twelve Months
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months
Schedule of Revenues from External Customers and Long-Lived Assets [Table]
Deferred Finance Costs Noncurrent Net
Total notes, loans and finance/capital leases payable, net
Available for sale investments, allowance for credit loss, net
Debt Securities Available For Sale Allowance For Credit Loss
Allowance for expected credit loss
Market Risk Benefit [Line Items]
Table Text Block Supplement [Abstract]
Liability For Future Policy Benefit Expected Net Premium Cumulative Increase Decrease Of Actual Variance From Expected Experience
Change in cash flow assumptions, effect of decrease of the deferred profit liability
Effect of actual variances from expected variances
Interest Credited To Policy holders Account Balances
Interest credited
Common Stock, Value, Issued
Common stock, value, issued
Market Risk Benefit [Table]
This company-specific concept is a combination of three us-gaap taxonomy concepts. (1) Depreciation: "The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation." (2) Gain (Loss) on Disposition of Assets: "The gains and losses included in earnings resulting from the sale or disposal of tangible assets." (3) Deferred Policy Acquisition Cost Amortization Expense: "Amount of deferred policy acquisition costs charged to expense in the period, generally in proportion to related revenue earned, estimated gross profits, or over the customer relationship or some other period."
Depreciation and Amortization, Net of (Gains) Losses on Disposals
Depreciation and amortization, net of (gains) losses on disposals
Depreciation and amortization, net of (gains) losses on disposals
Remaining Lease Term Finance Lease Weighted Average
Finance leases
Weighted average remaining lease term for finance lease.
Summary of Geographic Area Data
Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]
Finance Lease Right Of Use Asset Amortization
Amortization of right of use assets
Net gain on sale of real and personal property
Gain (Loss) on Disposition of Assets, Total
Net of (gains) losses on sale of real and personal property
Amortization of premiums and accretion of discounts related to investments, net
Amortization Accretion Of Discounts And Premiums Investments
The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. Accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method.
Proceeds From Sale Of Equity Securities FvNi
Equity securities
Beginning balance at original discount rate
Liability For Future Policy Benefit Expected Future Benefit Original Discount Rate Before Reinsurance After Cash Flow Change
Beginning balance at original discount rate
Ending balance at original discount rate
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, at cost:
Market Risk Benefit, after Increase (Decrease) from Instrument-Specific Credit Risk, Total
Market Risk Benefit After Increase Decrease From Instrument Specific Credit Risk
Balance, end of year March 31, 2021
2027
Long-term Debt, Maturities, Repayments of Principal in Year Three
Operating Lease, Liability, Total
Operating lease liability
Operating lease liabilities
Debt Securities Available For Sale[Table Text Block]
Available for sale investments
Commitments and contingencies (notes 4 and 9)
Commitments and Contingencies
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Entity Information [Line Items]
Income Taxes Paid, cash
Unrealized Loss, Twelve Months or Longer
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
Investments, other
Payments to Acquire Other Investments
Consolidating Financial Information by Industry Segment
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Market Risk Benefit Measurement Input
Interest and Debt Expense [Abstract]
Interest and debt expense:
Moving and Storage operations includes AMERCO, U-Haul and Real Estate and the wholly-owned subsidiaries of U-Haul and Real Estate. Operations consist of the rental of trucks and trailers, sales of moving supplies, sales of towing accessories, sales of propane, the rental of self-storage spaces to the "do-it-yourself" mover and management of self-storage properties owned by others. Operations are conducted under the registered trade name U-Haul(R) throughout the United States and Canada.
Moving and Storage Consolidations [Member]
Moving and Storage Operating Segment
Remaining Lease Term Operating Lease Weighted Average
Operating leases
Weighted average remaining lease term for operating lease.
Lessee Operating Lease Liability Payments Due
Total lease payments
Inventories and parts
Increase (Decrease) in Inventories, Total
Increase (Decrease) in Inventories
Inventories
Property Management Fee Revenue
Management fees received exclusive of reimbursed expenses
Liability For Claims And Claims Adjustment Expense [Line Items]
Settlement Date
Loss Contingency, Settlement Agreement, Date
Listed separately the common and preferred stock shares and amounts in treasury.
Common Stock in Treasury [Member]
Cost of common shares in treasury, net (22,377,912 shares as of June 30 and March 31, 2013)
Cost of common shares in treasury, net
Operating Costs and Expenses [Abstract]
Costs and expenses:
Liability for Future Policy Benefit, Expected Future Policy Benefit, Period Increase (Decrease), Total
Liability For Future Policy Benefit Expected Future Policy Benefit Period Increase Decrease
After adoption
Finance Lease, Liability, Total
Financing lease liability
Series common stock, with or without par value, 150,000,000 shares authorized:
Create a common stock member to incorporate the value shown in the heading of this section.
Serial Common Stock With or Without Par Value [Member]
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest, Total
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Comprehensive income (loss) Pre-tax
Entity Small Business
Liability For Future Policy Benefit Expected Future Policy Benefit [Roll Forward]
Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract]
Notes, Loans and Finance Leases Payable, net
Debt Disclosure [Text Block]
Leaseholds and Leasehold Improvements [Member]
Customer and Property Tenant Revenue Long Term
Finance Leases
Amounts reclassified into earnings on hedging activities, net
Loss reclassified from AOCI into income (effective portion)
Amount reclassified from AOCI
Amounts reclassified into earnings on hedging activities, Net
Revenues
Total revenues
Total revenues
US Treasury Securities [Member]
Derivatives
Derivative Liability
Derivative Liability, Total
New Accounting Pronouncements Or Change In Accounting Principle [Table]
Line of Credit Facility [Abstract]
Fair Value By Balance Sheet Grouping [Text Block]
Financial Instruments, Carrying and Estimated fair values
Revenues from External Customers and Long-Lived Assets [Line Items]
Beginning balance at original discount rate
Liability For Future Policy Benefit Expected Net Premium Original Discount Rate Before Cash Flow And Reinsurance
Beginning balance at original discount rate
Ending balance at original discount rate
Reinsurance Recoverables, Gross, Total
Reinsurance Recoverables Gross
Gross premiums
Liabilities from investment contracts
Liabilities Related to Investment Contracts, Fair Value Disclosure
Rental Trucks and Rental Trailers and Other Rental Equipment are defined to be under the same US-GAAP concept, "Property subject to or available for operating lease, gross." This equipment is maintained so that our customers can complete a rental contract for a do-it-yourself move.
Rental Trucks [Member]
Rental trucks
Net Cash Provided by (Used in) Financing Activities [Abstract]
Cash flow from financing activities:
Amortization of Debt Discount (Premium)
Amortization of transaction costs
Liability for Future Policy Benefit, Remeasurement Gain (Loss), Total
Liability For Future Policy Benefit Remeasurement Gain Loss
Re-measurement due to discount rate
Liabilities [Abstract]
Liabilities:
Commercial Real Estate Portfolio Segment [Member]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Notes and Loans, Noncurrent, Total
Notes and Loans, Noncurrent
Liabilities from investment contracts
Unsecured Debt [Member]
Private Placement
Right Of Use Asset Obtained In Exchange For Operating Lease Liability
Business Combination Separately Recognized Transactions [Abstract]
External Credit Rating by Grouping [Domain]
Liability For Future Policy Benefit Before Reinsurance And Adjustments
End of period, LFPB, net
Future policy benefit before reinsurance and adjustments, liabilities.
Document And Entity Information Abstract
Document and Entity Information [Abstract]
Accumulated Defined Benefit Plans Adjustment [Member]
Postretirement Benefit Obligation Gain [Member]
Less: Unearned Employee Stock Ownership Plan Shares [Member]
Mercury Partners, L.P. ("Mercury") owns and leases self-storage properties.
Mercury [Member]
Mercury
Level 3 [Member]
Significant Unobservable Inputs (Level 3)
Proceeds from sales and paydowns of:
Proceeds from Sale, Maturity and Collection of Investments [Abstract]
Financial and Nonfinancial Liabilities, Fair Value Disclosure
Total
Property lease revenues
Building [Member]
Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment Expense, Total
Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment Expense
Policy benefits and losses, claims and loss expenses payable
Policy benefit and losses, claims and loss expense balance, end of period
December 31, 2023
Allowance For Doubtful Accounts Receivable
March 31, 2022