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Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
CASH FROM OPERATING ACTIVITIES:
Net income to common stockholders	$ 442,471	$ 294,126
Adjustments to reconcile net income to net cash from operating activities:
Net investment gains	(25,780)	(23,010)
Depreciation and (accretion) amortization	(80,784)	9,737
Noncontrolling interests	(436)	1,603
Investment funds	29,349	(2,180)
Stock incentive plans	12,979	11,793
Change in:
Arbitrage trading account	(14,793)	(14,879)
Premiums and fees receivable	(68,133)	(33,460)
Reinsurance accounts	81,684	(84,746)
Deferred policy acquisition costs	(28,283)	(23,727)
Income taxes	120,052	76,933
Reserves for losses and loss expenses	393,176	424,149
Unearned premiums	84,952	87,991
Other	(200,219)	(279,007)
Net cash from operating activities	746,235	445,323
CASH USED IN INVESTING ACTIVITIES:
Proceeds from sale of fixed maturity securities	426,084	429,400
Proceeds from sale of equity securities	83,987	9,933
Distributions from investment funds	31,238	7,518
Proceeds from maturities and prepayments of fixed maturity securities	968,330	956,308
Purchase of fixed maturity securities	(2,266,087)	(1,686,107)
Purchase of equity securities	(105,599)	(59,529)
Real estate (purchased) sold	(30,697)	7,472
Change in loans receivable	(28,150)	612
Net purchases of property, furniture and equipment	(54,335)	(11,532)
Change in balances due to security brokers	70,120	(13,598)
Other	0	93
Net cash used in investing activities	(905,109)	(359,430)
CASH USED IN FINANCING ACTIVITIES:
Net proceeds (payments) from issuance of debt	20	(868)
Cash dividends to common stockholders	(28,220)	(158,592)
Purchase of common treasury shares	0	(135,152)
Other, net	(1,505)	(1,114)
Net cash used in financing activities	(29,705)	(295,726)
Net impact on cash due to change in foreign exchange rates	(5,563)	2,844
Net change in cash and cash equivalents	(194,142)	(206,989)
Cash and cash equivalents at beginning of period	1,363,195	1,449,346
Cash and cash equivalents at end of period	$ 1,169,053	$ 1,242,357

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