Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities
Net cash provided by (used in) operating activities	$ 282,148	$ 403,304
Cash flows from investing activities
Fixed-maturities available for sale	395,976	536,387
Trading securities	8,829	7,952
Equity securities	7,645	29,289
Fixed-maturities available for sale	663,255	917,027
Trading securities	78,462	11,703
Fixed-maturities available for sale	(1,238,636)	(1,413,445)
Equity securities	(23,225)	(102,956)
Short-term investments, net	168,933	(17,474)
Other assets and other invested assets, net	(534)	6,253
Additions to property and equipment	(12,149)	(8,720)
Net cash provided by (used in) investing activities	48,556	(33,984)
Cash flows from financing activities
Dividends and dividend equivalents paid	(103,721)	(78,165)
Issuance of common stock	1,118	1,225
Repurchases of common stock	(387,111)	(251,482)
Credit facility commitment fees paid	(574)	(710)
Change in secured borrowings, net (with terms three months or less)	60,204	38,241
Proceeds from secured borrowings (with terms greater than three months)	26,568	32,000
Repayments of secured borrowings (with terms greater than three months)	(24,000)	(48,000)
Net cash provided by (used in) financing activities	(427,516)	(306,891)
Increase (decrease) in cash and restricted cash	(96,812)	62,429
Cash and restricted cash, beginning of period	152,620	94,146
Cash and restricted cash, end of period	$ 55,808	$ 156,575