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Reportable Segment Information - Assets by Operating Segment (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Assets [Abstract]
Total assets	$ 20,479,170	$ 19,058,758	$ 18,100,734
Operating Segments [Member] | Moving and Storage Consolidations [Member]
Assets [Abstract]
Total assets	17,522,952	16,149,748	15,211,493
Operating Segments [Member] | Property and Casualty Insurance [Member]
Assets [Abstract]
Total assets	535,032	501,566	459,897
Operating Segments [Member] | Life Insurance [Member]
Assets [Abstract]
Total assets	3,066,907	2,990,903	2,891,574
Intersegment Eliminations [Member]
Assets [Abstract]
Total assets	$ 645,721	$ 583,459	$ 462,230

X

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Amount of asset recognized for present right to economic benefit.

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