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v3.19.3

Borrowings (Narratives) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Jun. 30, 2019 | Mar. 31, 2019
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |  |
Notes, loans and leases payable | $ 4,497,912 |  | $ 4,497,912 |  |  | $ 4,163,323
Debt instruments, issuance and maturity dates: |  |  |  |  |  |
Remaining Lease Term Finance Lease Weighted Average | 5 Years |  |  |  |  |
Interest paid related to derivative contracts [Abstract] |  |  |  |  |  |
Interest paid in cash | $ 45,400 | $ 36,600 | $ 85,900 | $ 71,100 |  |
Real estate loan [Member] |  |  |  |  |  |
Debt instruments, issuance and maturity dates: |  |  |  |  |  |
Debt instrument, maturity year | 2023 |  |  |  |  |
Real estate loans (revolving credit) [Member] |  |  |  |  |  |
Debt instruments, issuance and maturity dates: |  |  |  |  |  |
Debt instrument, maturity year | 2024 |  |  |  |  |
Working capital loans two [Member] | AMERCO [Member] |  |  |  |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |  |  |
LIBOR | 2.11% |  | 2.11% |  |  |
Applicable margin interest rate | 1.38% |  | 1.38% |  |  |
Debt instrument, interest rate at period end |  |  | 3.49% |  |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 300,000 |  | $ 300,000 |  |  |
Line of credit, current borrowing capacity | 150,000 |  | 150,000 |  |  |
Line of credit facility, remaining borrowing capacity | $ 100,000 |  | $ 100,000 |  |  |
Rental Truck (amortizing loans) First Loan [Member] | AMERCO [Member] |  |  |  |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |  |  |
LIBOR | 2.03% |  | 2.03% |  |  |
Applicable margin interest rate | 1.75% |  | 1.75% |  |  |
Debt instrument, interest rate at period end |  |  | 3.78% |  |  |
Sum of LIBOR and margin, maximum rate | 2.82% |  | 2.82% |  |  |
Finance Lease [Member] |  |  |  |  |  |
Debt instruments, issuance and maturity dates: |  |  |  |  |  |
Debt instrument, maturity year | 2026 |  |  |  |  |
Amerco Real Estate Subsidiaries and Uhaul Company of Florida [Member] | Real estate loan [Member] |  |  |  |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |  |  |
LIBOR | 2.05% |  | 2.05% |  |  |
Applicable margin interest rate | 1.50% |  | 1.50% |  |  |
Debt instrument, interest rate at period end |  |  | 3.55% |  |  |
Amerco Real Estate Company [Member] | Real estate loans (revolving credit) [Member] |  |  |  |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |  |  |
LIBOR | 2.11% |  | 2.11% |  |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |  |
Line of credit, current borrowing capacity | $ 335,000 |  | $ 335,000 |  |  |
Notes, loans and leases payable | $ 335,000 |  | $ 335,000 |  |  |
Amerco Real Estate Company [Member] | Real estate loans (revolving credit) [Member] | Minimum [Member] |  |  |  |  |  |
Debt instruments, interest rate, stated percentage: |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 3.03% |  | 3.03% |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |  |  |
Applicable margin interest rate | 1.25% |  | 1.25% |  |  |
Debt instrument, interest rate at period end |  |  | 3.36% |  |  |
Debt instruments, issuance and maturity dates: |  |  |  |  |  |
Debt instrument, maturity year |  |  | 2022 |  |  |
Amerco Real Estate Company [Member] | Real estate loans (revolving credit) [Member] | Maximum [Member] |  |  |  |  |  |
Debt instruments, interest rate, stated percentage: |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 3.14% |  | 3.14% |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |  |  |
Applicable margin interest rate | 1.50% |  | 1.50% |  |  |
Debt instrument, interest rate at period end |  |  | 3.61% |  |  |
Debt instruments, issuance and maturity dates: |  |  |  |  |  |
Debt instrument, maturity year |  |  | 2024 |  |  |
Various Subsidiaries of Amerco Real Estate and Uhaul Intl [Member] | Senior Mortgages [Member] | Minimum [Member] |  |  |  |  |  |
Debt instruments, interest rate, stated percentage: |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 3.36% |  | 3.36% |  |  |
Various Subsidiaries of Amerco Real Estate and Uhaul Intl [Member] | Senior Mortgages [Member] | Maximum [Member] |  |  |  |  |  |
Debt instruments, interest rate, stated percentage: |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 6.62% |  | 6.62% |  |  |
Uhaul Intl and Subsidiaries [Member] | Rental Truck Revolvers [Member] |  |  |  |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |  |  |
Applicable margin interest rate | 1.15% |  | 1.15% |  |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |  |
Notes, loans and leases payable | $ 580,000 |  | $ 580,000 |  |  |
Uhaul Intl and Subsidiaries [Member] | Rental Truck Revolvers [Member] | Minimum [Member] |  |  |  |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |  |  |
LIBOR | 2.10% |  | 2.10% |  |  |
Debt instrument, interest rate at period end |  |  | 3.25% |  |  |
Uhaul Intl and Subsidiaries [Member] | Rental Truck Revolvers [Member] | Maximum [Member] |  |  |  |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |  |  |
LIBOR | 2.12% |  | 2.12% |  |  |
Debt instrument, interest rate at period end |  |  | 3.27% |  |  |
Uhaul Intl and Subsidiaries [Member] | Capital Lease Obligations [Member] |  |  |  |  |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |  |
New capital lease obligiations, amount |  |  | $ 861,800 |  |  |
Debt instruments, issuance and maturity dates: |  |  |  |  |  |
Remaining Lease Term Finance Lease Weighted Average |  |  | 7 year terms |  |  |
Uhaul Intl and Subsidiaries [Member] | Capital Lease Obligations [Member] | Minimum [Member] |  |  |  |  |  |
Debt instruments, interest rate, stated percentage: |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 1.92% |  | 1.92% |  |  |
Uhaul Intl and Subsidiaries [Member] | Capital Lease Obligations [Member] | Maximum [Member] |  |  |  |  |  |
Debt instruments, interest rate, stated percentage: |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 5.04% |  | 5.04% |  |  |
Uhaul Intl and Subsidiaries [Member] | Finance Lease [Member] |  |  |  |  |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |  |
Sale leaseback transactions loss amount |  |  | $ 339,400 |  |  |
Debt instruments, issuance and maturity dates: |  |  |  |  |  |
Remaining Lease Term Finance Lease Weighted Average |  |  | 7 years |  |  |
Uhaul Intl and Subsidiaries [Member] | Finance Lease [Member] | Minimum [Member] |  |  |  |  |  |
Debt instruments, interest rate, stated percentage: |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 2.97% |  | 2.97% |  |  |
Uhaul Intl and Subsidiaries [Member] | Finance Lease [Member] | Maximum [Member] |  |  |  |  |  |
Debt instruments, interest rate, stated percentage: |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 4.22% |  | 4.22% |  |  |
Amerco, Us Bank, National Association, Trustee [Member] | Other Obligations [Member] |  |  |  |  |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |  |
Notes, loans and leases payable | $ 86,500 |  | $ 86,500 |  |  |
Subsidiary holdings of parent company debt | $ 3,000 |  | $ 3,000 |  |  |
Amerco, Us Bank, National Association, Trustee [Member] | Other Obligations [Member] | Minimum [Member] |  |  |  |  |  |
Debt instruments, interest rate, stated percentage: |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 2.75% |  | 2.75% |  |  |
Debt instruments, issuance and maturity dates: |  |  |  |  |  |
Debt instrument, maturity year |  |  | 2019 |  |  |
Amerco, Us Bank, National Association, Trustee [Member] | Other Obligations [Member] | Maximum [Member] |  |  |  |  |  |
Debt instruments, interest rate, stated percentage: |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 8.00% |  | 8.00% |  |  |
Debt instruments, issuance and maturity dates: |  |  |  |  |  |
Debt instrument, maturity year |  |  | 2048 |  |  |
Life Insurance [Member] | Federal Home Loan Bank [Member] |  |  |  |  |  |
Federal Home Loan Bank, Advances, Activity for the year [Abstract] |  |  |  |  |  |
Aggregate deposit amount |  |  |  |  | $ 60,000 |
Available for sale equity securities, noncurrent |  |  |  |  | 131,100 |
Available for sale equity securities pledged as collateral |  |  |  |  | $ 68,800 |
Life Insurance [Member] | Federal Home Loan Bank [Member] | Minimum [Member] |  |  |  |  |  |
Federal Home Loan Bank, Advances, Activity for the year [Abstract] |  |  |  |  |  |
Deposit interest rate |  |  |  |  | 1.67% |
Life Insurance [Member] | Federal Home Loan Bank [Member] | Maximum [Member] |  |  |  |  |  |
Federal Home Loan Bank, Advances, Activity for the year [Abstract] |  |  |  |  |  |
Deposit interest rate |  |  |  |  | 2.95% |

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