Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Revenues:
Self-moving equipment rentals	$ 886,170	$ 878,585	$ 3,054,920	$ 2,980,265
Self-storage revenues	245,060	227,125	725,596	667,381
Self moving and self-storage products and service sales	68,929	70,407	256,946	254,761
Property management fees	8,817	8,869	28,020	27,950
Life insurance premiums	17,848	22,926	55,387	64,154
Property and casualty insurance premiums	30,355	28,364	80,365	75,360
Net investment and Interest income	47,259	40,536	122,492	115,455
Other revenue	111,170	111,746	442,274	409,830
Total revenues	1,415,608	1,388,558	4,766,000	4,595,156
Costs and expenses:
Operating Costs and Expenses	848,614	782,351	2,584,905	2,463,181
Commission expenses	96,101	95,031	334,649	326,610
Cost of product sales	50,871	52,767	190,701	181,031
Benefits and losses	49,232	48,683	142,592	137,081
Amortization of deferred policy acquisition costs	4,922	4,493	14,801	13,578
Lease expense	4,281	5,052	14,226	15,386
Depreciation, net of (gains) losses on disposals	325,219	246,091	969,836	689,906
Net (gains) losses on disposal of real estate	2,696	3,358	5,610	9,453
Costs and Expenses, Total	1,381,936	1,237,826	4,257,320	3,836,226
Earnings from operations	33,672	150,732	508,680	758,930
Other components of net periodic benefit costs	(346)	(372)	(1,037)	(1,116)
Interest Income, Other	10,784	15,638	31,468	50,004
Interest expense	(95,527)	(76,581)	(268,162)	(215,297)
Fees and amortization on early extinguishment of debt	(163)		(189)	(495)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	51,580	89,417	270,760	592,026
Net earnings, Tax	(14,612)	(22,251)	(59,847)	(142,645)
Net earnings available to common stockholders	$ 36,968	$ 67,166	$ 210,913	$ 449,381
Common Stock [Member]
Costs and expenses:
Basic and diluted earnings per common share	$ 0.23	$ 0.3	$ 0.94	$ 2.16
Weighted average common shares outstanding: basic and diluted	19,607,788	19,607,788	19,607,788	19,607,788
Nonvoting Common Stock [Member]
Costs and expenses:
Basic and diluted earnings per common share	$ 0.18	$ 0.35	$ 1.09	$ 2.31
Weighted average common shares outstanding: basic and diluted	176,470,092	176,470,092	176,470,092	176,470,092
Nonvoting Common Stock [Member] | Common Stock [Member]
Costs and expenses:
Weighted average common shares outstanding: basic and diluted	196,077,880	196,077,880	196,077,880	196,077,880