XML 71 R59.htm IDEA: XBRL DOCUMENT
v3.21.2

Leases (Operating Leases Weighted Average Remaining Lease Term and Discount Rate) (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2021 | Mar. 31, 2021
Operating Leases Remaining Lease Term And Weighted Average Discount Rate [Abstract] |  |
Remaining Lease Term Finance Lease Weighted Average | 14.8 | 14.7
Operating Lease Weighted Average Discount Rate Percent | 4.60% | 4.60%

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

X
- Definition Weighted average remaining lease term for finance lease. + References No definition available. + Details
Name: | uhal_RemainingLeaseTermFinanceLeaseWeightedAverage
Namespace Prefix: | uhal_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average discount rate for operating lease calculated at point in time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(4) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 + Details
Name: | us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant