XML 52 R41.htm IDEA: XBRL DOCUMENT
v3.22.4

Earnings Per Share (Narratives) (Details) - $ / shares | Dec. 31, 2022 | Oct. 22, 2022
--- | --- | ---
Common Stock [Member] |  |
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract] |  |
Common stock, par or stated value per share | $ 0.25 |
Allocation of common stock available to share holders | 10.00% |
Nonvoting Common Stock [Member] |  |
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract] |  |
Common stock, par or stated value per share | $ 0.001 | $ 0.001
Allocation of common stock available to share holders | 90.00% |

X
- Definition Aggregate common stock shares outstanding, percentage allocated to voting and non-voting shareholders. + References No definition available. + Details
Name: | uhal_UndistributedEarningsAvailableCommonStockholdersAllocationPercentage
Namespace Prefix: | uhal_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition Face amount or stated value per share of common stock. + 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(29)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockParOrStatedValuePerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_NonvotingCommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |