Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Revenues:
Self-moving equipment rentals	$ 1,014,332	$ 999,206
Self-storage revenues	215,737	198,961
Self moving and self-storage products and service sales	96,591	100,872
Property management fees	9,495	9,177
Life insurance premiums	20,740	23,131
Property and casualty insurance premiums	21,229	20,322
Net investment and Interest income	37,125	64,592
Other revenue	133,241	124,047
Total revenues	1,548,490	1,540,308
Costs and expenses:
Operating Costs and Expenses	789,757	763,241
Commission expenses	112,571	106,927
Cost of product sales	66,014	70,675
Benefits and losses	44,006	45,344
Amortization of deferred policy acquisition costs	4,646	8,045
Lease expense	5,605	7,583
Depreciation, net of (gains) losses on disposals	216,545	137,814
Net (gains) losses on disposal of real estate	3,104	1,021
Operating Expenses, Total	1,242,248	1,140,650
Earnings from operations	306,242	399,658
Other components of net periodic benefit costs	(372)	(365)
Interest Income, Other	18,235
Interest expense	(67,218)	(60,598)
Fees and amortization on early extinguishment of debt	(495)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	256,392	338,695
Income tax expense	(60,975)	(81,857)
Earnings available to common stockholders	$ 195,417	$ 256,838
Common Stock [Member]
Costs and expenses:
Basic and diluted earnings per common share	$ 0.95	$ 1.27
Weighted average common shares outstanding: basic and diluted	19,607,788	19,607,788
Nonvoting Common Stock [Member]
Costs and expenses:
Basic and diluted earnings per common share	$ 1	$ 1.31
Weighted average common shares outstanding: basic and diluted	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