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v3.3.1.900

Borrowings (Narratives) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Mar. 31, 2015
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |
Notes, loans and leases payable | $ 2,424,671 |  | $ 2,424,671 |  | $ 2,190,869
Interest paid related to derivative contracts [Abstract] |  |  |  |  |
Interest paid in cash | 25,000 | $ 25,000 | 69,900 | $ 72,500 |
Mortgages [Member] |  |  |  |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |
Notes, loans and leases payable | 207,500 |  | 207,500 |  | 240,000
Senior Mortgages [Member] |  |  |  |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |
Notes, loans and leases payable | 949,163 |  | 949,163 |  | 717,512
Rental truck term loan [Member] |  |  |  |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |
Notes, loans and leases payable | 115,000 |  | 115,000 |  | 115,000
Capital Leases for New Equipment [Member] |  |  |  |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |
Notes, loans and leases payable | 608,336 |  | 608,336 |  | $ 602,470
Capital Leases for New Equipment [Member] | AMERCO [Member] |  |  |  |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |
Notes, loans and leases payable | 608,300 |  | 608,300 |  |
Capitalized assets, net book value | $ 799,300 |  | $ 799,300 |  |
Debt instruments, miscellaneous information: |  |  |  |  |
Terms of lease |  |  | Between 5 and 7 years |  |
Amerco Real Estate Subsidiaries and Uhaul Company of Florida [Member] | Mortgages [Member] | Uhaul International, Inc [Member] |  |  |  |  |
Debt instruments, interest rate, stated percentage: |  |  |  |  |
Debt instrument, interest rate, stated percentage | 6.93% |  | 6.93% |  |
Debt instruments, interest rate, effective percentage: |  |  |  |  |
LIBOR | 0.30% |  | 0.30% |  |
Applicable margin interest rate | 1.50% |  | 1.50% |  |
Debt instrument, interest rate at period end |  |  | 1.50% |  |
Sum of LIBOR and margin, maximum rate | 1.80% |  | 1.80% |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |
Notes, loans and leases payable | $ 207,500 |  | $ 207,500 |  |
Debt instruments, issuance and maturity dates: |  |  |  |  |
Mortgage loans on real estate, final maturity date |  |  | Apr. 30, 2023 |  |
Debt instrument, maturity date |  |  | Aug. 31, 2018 |  |
Various Subsidiaries of Amerco Real Estate and Uhaul Intl [Member] | Senior Mortgages [Member] | AMERCO and UHaul International, Inc [Member] |  |  |  |  |
Debt instruments, interest rate, stated percentage: |  |  |  |  |
Debt instrument, interest rate, stated percentage rate range, minimum |  |  | 4.22% |  |
Debt instrument, interest rate, stated percentage rate range, maximum |  |  | 5.50% |  |
Debt instruments, interest rate, effective percentage: |  |  |  |  |
LIBOR | 0.27% |  | 0.27% |  |
LIBOR - highest rate | 0.32% |  | 0.32% |  |
Applicable margin, per loan agreement, minimum rate | 2.00% |  | 2.00% |  |
Applicable margin, per loan agreement, maximum rate | 2.50% |  | 2.50% |  |
Sum of LIBOR and margin, minimum rate | 2.27% |  | 2.27% |  |
Sum of LIBOR and margin, maximum rate | 2.82% |  | 2.82% |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |
Amounts held at LIBOR plus margin | $ 138,100 |  | $ 138,100 |  |
Notes, loans and leases payable | $ 949,200 |  | $ 949,200 |  |
Debt instruments, issuance and maturity dates: |  |  |  |  |
Debt instrument, maturity date range, start |  |  | Jan. 01, 2016 |  |
Debt instrument, maturity date range, end |  |  | Dec. 31, 2038 |  |
Various Subsidiaries of Amerco Real Estate and Uhaul Intl [Member] | Revolving fleet loan one [Member] |  |  |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |  |
LIBOR | 0.23% |  | 0.23% |  |
Applicable margin interest rate | 1.75% |  | 1.75% |  |
Debt instrument, interest rate at period end |  |  | 1.98% |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |
Debt instrument, original face amount | $ 75,000 |  | $ 75,000 |  |
Line of credit facility, maximum borrowing capacity | 225,000 |  | 225,000 |  |
Line of credit facility, remaining borrowing capacity | $ 57,000 |  | $ 57,000 |  |
Debt instruments, issuance and maturity dates: |  |  |  |  |
Debt instrument, maturity date |  |  | Sep. 30, 2018 |  |
Various Subsidiaries of Amerco Real Estate and Uhaul Intl [Member] | Revolving fleet loan two [Member] |  |  |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |  |
LIBOR | 0.24% |  | 0.24% |  |
Applicable margin interest rate | 1.00% |  | 1.00% |  |
Debt instrument, interest rate at period end |  |  | 1.24% |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |
Debt instrument, original face amount | $ 100,000 |  | $ 100,000 |  |
Line of credit facility, maximum borrowing capacity | 125,000 |  | 125,000 |  |
Line of credit facility, remaining borrowing capacity | $ 100,000 |  | $ 100,000 |  |
Debt instruments, issuance and maturity dates: |  |  |  |  |
Debt instrument, maturity date |  |  | Oct. 31, 2017 |  |
Various Subsidiaries of Amerco Real Estate and Uhaul Intl [Member] | Revolving fleet loan three [Member] |  |  |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |  |
LIBOR | 0.23% |  | 0.23% |  |
Applicable margin interest rate | 1.85% |  | 1.85% |  |
Debt instrument, interest rate at period end |  |  | 2.08% |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |
Debt instrument, original face amount | $ 70,000 |  | $ 70,000 |  |
Line of credit facility, remaining borrowing capacity | $ 65,000 |  | $ 65,000 |  |
Debt instruments, issuance and maturity dates: |  |  |  |  |
Debt instrument, maturity date |  |  | May 31, 2019 |  |
Amerco Real Estate Company [Member] | Capital Lease Obligations [Member] | AMERCO and UHaul International, Inc [Member] |  |  |  |  |
Debt instruments, interest rate, effective percentage: |  |  |  |  |
Sum of LIBOR and margin, maximum rate | 1.25% |  | 1.25% |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 25,000 |  | $ 25,000 |  |
Line of credit, current borrowing capacity | $ 25,000 |  | $ 25,000 |  |
Debt instruments, issuance and maturity dates: |  |  |  |  |
Debt instrument, maturity date |  |  | Apr. 30, 2016 |  |
Uhaul Intl and Subsidiaries [Member] | Rental Truck (Amortizing Credit) First Loan [Member] | AMERCO and UHaul International, Inc [Member] |  |  |  |  |
Debt instruments, interest rate, stated percentage: |  |  |  |  |
Debt instrument, interest rate, stated percentage rate range, minimum |  |  | 2.82% |  |
Debt instrument, interest rate, stated percentage rate range, maximum |  |  | 4.76% |  |
Debt instruments, interest rate, effective percentage: |  |  |  |  |
LIBOR | 0.24% |  | 0.24% |  |
LIBOR - highest rate | 0.33% |  | 0.33% |  |
Applicable margin, per loan agreement, minimum rate | 1.72% |  | 1.72% |  |
Applicable margin, per loan agreement, maximum rate | 2.50% |  | 2.50% |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |
Notes, loans and leases payable | $ 198,400 |  | $ 198,400 |  |
Debt instruments, issuance and maturity dates: |  |  |  |  |
Debt instrument, maturity date range, start |  |  | Apr. 01, 2016 |  |
Debt instrument, maturity date range, end |  |  | Jul. 31, 2022 |  |
Uhaul Intl and Subsidiaries [Member] | Rental Truck (Amortizing Credit) Second Loan [Member] | AMERCO and UHaul International, Inc [Member] |  |  |  |  |
Debt instruments, interest rate, stated percentage: |  |  |  |  |
Debt instrument, interest rate, stated percentage rate range, minimum |  |  | 1.95% |  |
Debt instrument, interest rate, stated percentage rate range, maximum |  |  | 3.94% |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |
Amounts held at fixed rate | 114,100 |  | $ 114,100 |  |
Uhaul Intl and Subsidiaries [Member] | Rental truck term loan [Member] | AMERCO and UHaul International, Inc [Member] |  |  |  |  |
Debt instruments, interest rate, stated percentage: |  |  |  |  |
Debt instrument, interest rate, stated percentage rate range, minimum |  |  | 3.52% |  |
Debt instrument, interest rate, stated percentage rate range, maximum |  |  | 3.53% |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |
Notes, loans and leases payable | $ 115,000 |  | $ 115,000 |  |
Debt instruments, issuance and maturity dates: |  |  |  |  |
Debt instrument, maturity date |  |  | Aug. 31, 2016 |  |
Uhaul S Fleet Two Thousand Ten Box Truck Note [Member] | Securitization Second Loan [Member] |  |  |  |  |
Debt instruments, interest rate, stated percentage: |  |  |  |  |
Debt instrument, interest rate, stated percentage | 4.90% |  | 4.90% |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |
Debt instrument, original face amount | $ 155,000 |  | $ 155,000 |  |
Notes, loans and leases payable | 65,000 |  | $ 65,000 |  |
Debt instruments, issuance and maturity dates: |  |  |  |  |
Debt instrument, maturity date |  |  | Oct. 31, 2017 |  |
Amerco, Us Bank, National Association, Trustee [Member] | Other Borrowings [Member] |  |  |  |  |
Debt instruments, interest rate, stated percentage: |  |  |  |  |
Debt instrument, interest rate, stated percentage rate range, minimum |  |  | 3.00% |  |
Debt instrument, interest rate, stated percentage rate range, maximum |  |  | 8.00% |  |
Debt instruments, face, payment, and remaining balance amount: |  |  |  |  |
Notes, loans and leases payable | 65,100 |  | $ 65,100 |  |
Subsidiary holdings of parent company debt | $ 5,800 |  | $ 5,800 |  |
Debt instruments, issuance and maturity dates: |  |  |  |  |
Debt instrument, maturity date range, start |  |  | Jan. 01, 2016 |  |
Debt instrument, maturity date range, end |  |  | Dec. 31, 2045 |  |
Debt instrument, issuance date |  |  | Feb. 28, 2011 |  |

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