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v3.23.2

Borrowings (Narratives) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Mar. 31, 2022 | Mar. 31, 2023
Debt instruments, face, payment, and remaining balance amount: |  |  |  |
Notes, loans and leases payable | $ 6,287,231 |  |  | $ 6,108,042
Debt instruments, issuance and maturity dates: |  |  |  |
Remaining Lease Term Finance Lease Weighted Average | 20.3 |  | 19.2 |
Interest paid related to derivative contracts [Abstract] |  |  |  |
Interest paid in cash | $ 55,400 | $ 41,700 |  |
Real estate loan [Member] |  |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |
Debt Weighted Average Interest Rate | 5.78% |  |  |
Senior Mortgages [Member] |  |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |
Debt Weighted Average Interest Rate | 4.14% |  |  |
Real estate loans (revolving credit) [Member] |  |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |
Debt Weighted Average Interest Rate | 0.00% |  |  |
Real estate loans (revolving credit) [Member] | AMERCO [Member] |  |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |
Applicable margin, per loan agreement, minimum rate | 1.55% |  |  |
Applicable margin, per loan agreement, maximum rate | 6.65% |  |  |
Unused capacity fee | 0.30% |  |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 465,000 |  |  |
Real estate loans (revolving credit) [Member] | AMERCO [Member] | Minimum [Member] |  |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |
Applicable margin interest rate | 5.10% |  |  |
Working capital loans two [Member] |  |  |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |
Capitalized assets, net book value |  |  |  | 213,100
Rental Truck (amortizing loans) First Loan [Member] |  |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |
Debt Weighted Average Interest Rate | 3.73% |  |  |
Rental Truck (amortizing loans) First Loan [Member] | Uhaul International, Inc [Member] |  |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |
Applicable margin interest rate | 0.10% |  |  |
Sum of LIBOR and margin, maximum rate | 2.36% |  |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 615,000 |  |  |
Line of credit, current borrowing capacity | 590,000 |  |  |
Line of credit facility, remaining borrowing capacity | 100,000 |  |  |
Capitalized assets, net book value | $ 735,100 |  |  | 822,000
Rental Truck (amortizing loans) First Loan [Member] | Uhaul International, Inc [Member] | SOFR | Minimum [Member] |  |  |  |
Debt instruments, interest rate, stated percentage: |  |  |  |
Debt instrument, interest rate, stated percentage | 5.03% |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |
Applicable margin, per loan agreement, minimum rate | 1.15% |  |  |
Applicable margin, per loan agreement, maximum rate | 6.28% |  |  |
Rental Truck (amortizing loans) First Loan [Member] | Uhaul International, Inc [Member] | SOFR | Maximum [Member] |  |  |  |
Debt instruments, interest rate, stated percentage: |  |  |  |
Debt instrument, interest rate, stated percentage | 5.16% |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |
Applicable margin, per loan agreement, minimum rate | 1.25% |  |  |
Applicable margin, per loan agreement, maximum rate | 6.50% |  |  |
Capital Lease Obligations [Member] |  |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |
Debt Weighted Average Interest Rate | 3.92% |  |  |
Finance Lease [Member] |  |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |
Debt Weighted Average Interest Rate | 4.12% |  |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |
Capitalized assets, net book value | $ 420,500 |  |  | 474,800
Lease Cost [Abstract] |  |  |  |
Sale Leaseback Transaction Lease Terms | seven (7) year terms |  |  |
Other Obligations [Member] |  |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |
Debt Weighted Average Interest Rate | 6.06% |  |  |
Other Obligations [Member] | AMERCO [Member] |  |  |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |
Notes, loans and leases payable | $ 76,000 |  |  |
Subsidiary holdings of parent company debt | $ 1,700 |  |  |
Amerco Real Estate Subsidiaries and Uhaul Company of Florida [Member] | Real estate loan [Member] |  |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |
Debt instrument, interest rate at period end | 4.30% |  |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 204,200 |  |  |
Line of credit, current borrowing capacity | $ 82,500 |  |  |
Amerco Real Estate Subsidiaries and Uhaul Company of Florida [Member] | Real estate loan [Member] | SOFR |  |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |
Applicable margin, per loan agreement, maximum rate | 0.10% |  |  |
Amerco Real Estate Subsidiaries and Uhaul Company of Florida [Member] | Real estate loan [Member] | SOFR | Minimum [Member] |  |  |  |
Debt instruments, interest rate, stated percentage: |  |  |  |
Debt instrument, interest rate, stated percentage | 5.15% |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |
Applicable margin interest rate | 5.90% |  |  |
Sum of LIBOR and margin, maximum rate | 0.65% |  |  |
Amerco Real Estate Subsidiaries and Uhaul Company of Florida [Member] | Real estate loan [Member] | SOFR | Maximum [Member] |  |  |  |
Debt instruments, interest rate, stated percentage: |  |  |  |
Debt instrument, interest rate, stated percentage | 5.16% |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |
Applicable margin interest rate | 6.64% |  |  |
Sum of LIBOR and margin, maximum rate | 1.38% |  |  |
Amerco Real Estate Company [Member] | Senior Mortgages [Member] | Minimum [Member] |  |  |  |
Debt instruments, interest rate, stated percentage: |  |  |  |
Debt instrument, interest rate, stated percentage | 2.70% |  |  |
Amerco Real Estate Company [Member] | Senior Mortgages [Member] | Maximum [Member] |  |  |  |
Debt instruments, interest rate, stated percentage: |  |  |  |
Debt instrument, interest rate, stated percentage | 5.50% |  |  |
Uhaul Intl and Subsidiaries [Member] | Rental Truck (amortizing loans) second loan [Member] |  |  |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |
Capitalized assets, net book value | $ 1,628,600 |  |  | $ 1,499,100
Lease Cost [Abstract] |  |  |  |
Sale Leaseback Transaction Lease Terms | seven (7) years |  |  |

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