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Related Party Transations (Table Text Block)

6 Months Ended

Sep. 30, 2025

Related Party Revenue [Abstract]

Related Party Revenue

		Six months ended September 30,
		2025				2024
		(Unaudited)
		(In thousands)
U-Haul management fee revenue from Blackwater		$	15,608			$	15,520
U-Haul management fee revenue from Mercury			3,595				3,561
		$	19,203			$	19,081

Related Party costs and expenses

		Six months ended September 30,
		2025				2024
		(Unaudited)
		(In thousands)
U-Haul lease expenses to Blackwater		$	1,202			$	1,208
U-Haul printing expenses to Blackwater			2,880				2,558
U-Haul commission expenses to Blackwater			47,765				47,129
U-Haul lease expenses to Mercury			76				76
U-Haul commission expenses to Mercury			12,931				12,451
		$	64,854			$	63,422

Related party assets

		September 30,				March 31,
		2025				2025
		(Unaudited)
		(In thousands)
U-Haul receivable from Blackwater		$	31,213			$	28,442
U-Haul receivable from Mercury			14,285				12,517
Other (a)			1,114				4,044
		$	46,612			$	45,003

(a)Timing differences for intercompany receivables and payables with insurance subsidiaries resulting from the three-month difference in reporting periods.

X

- Definition

The Company has not provided financial or other support explicitly or implicitly during the period ended to any of these entities that it was not previously contractually required to provide. The carrying amount and the classification of assets and liabilities in the Company's balance sheet that related to the Company's variable interest in the Blackwater's entities are noted here, which approximate the maximum exposure to loss as a result of the Company's involvement with these entities.

+ References

No definition available.

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- Definition

Related Party Revenue Abstract

+ References

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- Definition

Tabular disclosure of each detailed component of other operating costs and expenses that are applicable to sales and revenues, but not included in the cost of sales in the income statement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

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- Definition

Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

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