Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Cash flow from operating activities:
Net Income (Loss)	$ 449,381	$ 629,570
Adjustments to reconcile net earnings to cash provided by operations:
Depreciation	718,755	604,237
Amortization of premiums and accretion of discounts related to investments, net	10,431	12,905
Amortization of debt issuance costs	4,275	5,295
Interest credited to policyholders	58,290	52,099
Change in allowance for losses on trade receivables	1,463	1,155
Proceeds from Fees Received	8,015	11,338
Net gain on sale of real and personal property	(28,849)	(138,653)
Net losses on disposal of real estate	9,453	5,320
Net (gains) losses on sales of fixed maturity securities	(19)	(662)
Net gains on equity securities	(7,299)	(174)
Deferred income taxes	48,769	101,999
Net change in other operating assets and liabilities:
Reinsurance recoverables and trade receivables	(34,720)	(7,217)
Inventories and parts	(4,209)	(3,698)
Prepaid expenses	(20,559)	(1,509)
Capitalization of deferred policy acquisition costs	(1,791)	(7,629)
Other assets	(19,270)	(20,627)
Related party assets	(2,404)	(1,073)
Increase (Decrease) in Accounts Payable and Accrued Liabilities	20,461	14,216
Policy benefits and losses, claims and loss expenses payable	22,069	29,719
Other policyholders' funds and liabilities	2,825	866
Deferred income	(3,602)	(7,046)
Related party liabilities	909	774
Net cash provided by operating activities	1,255,896	1,240,043
Cash flow from investing activities:
Increase Decrease Escrow Deposits	3,445	1,045
Purchase of:
Property, plant and equipment	(2,863,496)	(2,400,949)
Fixed maturity investments	(441,974)	(270,383)
Equity securities	(852)	(519)
Investments, other	(92,774)	(132,963)
Proceeds from sales and paydowns of:
Property, plant and equipment	530,135	598,170
Fixed maturity investments	318,634	447,489
Equity securities	10,842	1,417
Investments, other	97,594	46,800
Net cash used by investing activities	(2,438,446)	(1,709,893)
Cash flow from financing activities:
Borrowings from credit facilities	1,404,974	1,037,082
Principal repayments on credit facilities	(713,949)	(625,067)
Payment of debt issuance costs	(4,224)	(4,072)
Finance lease payments	(60,661)	(86,166)
Securitization deposits	331	236
Series N Non-Voting Common Stock dividends paid	(26,471)	(22,941)
Investment contract deposits	389,848	214,312
Investment contract withdrawals	(318,005)	(302,150)
Net cash provided by financing activities	671,843	211,234
Effects of exchange rate on cash	6,439	4,068
Increase (decrease) in cash and cash equivalents	517,146	(254,548)
Cash and cash equivalents at the beginning of period	1,534,544	2,060,524
Cash and cash equivalents at the end of period	$ 1,017,398	$ 1,805,976