XML 126 R104.htm IDEA: XBRL DOCUMENT
v3.4.0.3

Statutory Financial Information of Insurance Subsidiaries (Narratives) (Details) - Operating Segments [Member] - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Mar. 31, 2016 | Dec. 31, 2015
Property and Casualty Insurance [Member] | Repwest [Member] |  |
Statutory financial information of insurance subsidiaries: |  |
Statutory accounting practices, statutory amount available for dividend payments |  | $ 15.8
Dividend payments restrictions schedule, amounts paid | $ 19.6 |
Life Insurance [Member] | Oxford [Member] |  |
Statutory financial information of insurance subsidiaries: |  |
Statutory accounting practices, statutory amount available for dividend payments |  | $ 12.0

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

X
- Definition Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfDividends
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of dividends available for payment after computation of statutory restrictions on capital surplus. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPayments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=uhal_PropertyAndCasualtyInsuranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsegmentsConsolidationItemsAxis=uhal_RepwestMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=uhal_LifeInsuranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsegmentsConsolidationItemsAxis=uhal_OxfordMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |