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v3.22.4

Borrowings (Long-term Debt Borrowings) (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Mar. 31, 2022
Debt instrument, maturities: |  |
Debt Instrument Carrying Amount | $ 5,813,962 | $ 5,875,781
Notes, loans and finance/capital leases payable | 6,236,822 | 6,059,713
Less: Debt issuance costs | (36,425) | (37,216)
Total notes, loans and finance/capital leases payable, net | $ 6,200,397 | 6,022,497
Real estate loan (amortizing term) [Member] |  |
Debt instrument, maturities: |  |
Debt instrument, maturity year | 2037 |
Debt instrument, maturity year range, start | 2027 |
Debt Instrument Carrying Amount | $ 292,617 | 50,259
Real estate loan (amortizing term) [Member] | Minimum [Member] |  |
Debt instruments, interest rate, stated percentage: |  |
Debt instrument, interest rate, stated percentage | 4.29% |
Real estate loan (amortizing term) [Member] | Maximum [Member] |  |
Debt instruments, interest rate, stated percentage: |  |
Debt instrument, interest rate, stated percentage | 5.60% |
Senior Mortgages [Member] |  |
Debt instrument, maturities: |  |
Debt instrument, maturity year range, start | 2024 |
Debt instrument, maturity year range, end | 2042 |
Debt Instrument Carrying Amount | $ 2,389,419 | 2,206,268
Senior Mortgages [Member] | Minimum [Member] |  |
Debt instruments, interest rate, stated percentage: |  |
Debt instrument, interest rate, stated percentage | 2.70% |
Senior Mortgages [Member] | Maximum [Member] |  |
Debt instruments, interest rate, stated percentage: |  |
Debt instrument, interest rate, stated percentage | 5.50% |
Real estate loans (revolving credit) [Member] |  |
Debt instrument, maturities: |  |
Debt instrument, maturity year | 2027 |
Debt Instrument Carrying Amount | $ 0 | 535,000
Real estate loans (revolving credit) [Member] | Minimum [Member] |  |
Debt instruments, interest rate, stated percentage: |  |
Debt instrument, interest rate, stated percentage | 0.00% |
Real estate loans (revolving credit) [Member] | Maximum [Member] |  |
Debt instruments, interest rate, stated percentage: |  |
Debt instrument, interest rate, stated percentage | 0.00% |
Fleet loans (amortizing term) [Member] |  |
Debt instrument, maturities: |  |
Debt instrument, maturity year range, start | 2023 |
Debt instrument, maturity year range, end | 2029 |
Debt Instrument Carrying Amount | $ 123,986 | 124,651
Fleet loans (amortizing term) [Member] | Minimum [Member] |  |
Debt instruments, interest rate, stated percentage: |  |
Debt instrument, interest rate, stated percentage | 1.61% |
Fleet loans (amortizing term) [Member] | Maximum [Member] |  |
Debt instruments, interest rate, stated percentage: |  |
Debt instrument, interest rate, stated percentage | 5.68% |
Fleet loans (revolving credit) [Member] |  |
Debt instrument, maturities: |  |
Debt instrument, maturity year range, start | 2025 |
Debt instrument, maturity year range, end | 2027 |
Debt Instrument Carrying Amount | $ 615,000 | 560,000
Fleet loans (revolving credit) [Member] | Minimum [Member] |  |
Debt instruments, interest rate, stated percentage: |  |
Debt instrument, interest rate, stated percentage | 2.36% |
Fleet loans (revolving credit) [Member] | Maximum [Member] |  |
Debt instruments, interest rate, stated percentage: |  |
Debt instrument, interest rate, stated percentage | 5.44% |
Capital Leases (rental equipment) [Member] |  |
Debt instrument, maturities: |  |
Debt instrument, maturity year range, start | 2023 |
Debt instrument, maturity year range, end | 2026 |
Debt Instrument Carrying Amount | $ 252,102 | 347,393
Capital Leases (rental equipment) [Member] | Minimum [Member] |  |
Debt instruments, interest rate, stated percentage: |  |
Debt instrument, interest rate, stated percentage | 2.16% |
Capital Leases (rental equipment) [Member] | Maximum [Member] |  |
Debt instruments, interest rate, stated percentage: |  |
Debt instrument, interest rate, stated percentage | 5.04% |
Finance capital lease [Member] |  |
Debt instrument, maturities: |  |
Debt instrument, maturity year | 2030 |
Debt instrument, maturity year range, start | 2024 |
Debt Instrument Carrying Amount | $ 1,286,299 | 949,936
Finance capital lease [Member] | Minimum [Member] |  |
Debt instruments, interest rate, stated percentage: |  |
Debt instrument, interest rate, stated percentage | 1.60% |
Finance capital lease [Member] | Maximum [Member] |  |
Debt instruments, interest rate, stated percentage: |  |
Debt instrument, interest rate, stated percentage | 5.98% |
Private Placement [Member] |  |
Debt instrument, maturities: |  |
Debt instrument, maturity year range, start | 2029 |
Debt instrument, maturity year range, end | 2035 |
Debt Instrument Carrying Amount | $ 1,200,000 | 1,200,000
Private Placement [Member] | Minimum [Member] |  |
Debt instruments, interest rate, stated percentage: |  |
Debt instrument, interest rate, stated percentage | 2.43% |
Private Placement [Member] | Maximum [Member] |  |
Debt instruments, interest rate, stated percentage: |  |
Debt instrument, interest rate, stated percentage | 2.88% |
Other Obligations [Member] |  |
Debt instrument, maturities: |  |
Debt instrument, maturity year range, start | 2023 |
Debt instrument, maturity year range, end | 2049 |
Debt Instrument Carrying Amount | $ 77,399 | $ 86,206
Other Obligations [Member] | Minimum [Member] |  |
Debt instruments, interest rate, stated percentage: |  |
Debt instrument, interest rate, stated percentage | 1.50% |
Other Obligations [Member] | Maximum [Member] |  |
Debt instruments, interest rate, stated percentage: |  |
Debt instrument, interest rate, stated percentage | 8.00% |

X
- Definition The latest maturity year for these debt instruments. + References No definition available. + Details
Name: | uhal_MaturityEndYear
Namespace Prefix: | uhal_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition The earliest maturity year for these debt instruments. + References No definition available. + Details
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Namespace Prefix: | uhal_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition 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. + References No definition available. + Details
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Namespace Prefix: | uhal_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of accumulated amortization of debt issuance costs classified as noncurrent. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | credit
Period Type: | instant

X
- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, before accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | debit
Period Type: | instant

X
- Definition Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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Balance Type: | na
Period Type: | duration

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- Definition The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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Balance Type: | na
Period Type: | instant

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Namespace Prefix: |
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Period Type: |

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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
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