CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities:
Net Income (Loss)	$ 185,460	$ 174,097
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	2,694	6,485
Deferred tax expense (benefit)	9,932	6,131
Equity compensation	8,087	11,105
Net (gains) losses on investments and other financial instruments	(741)	8,509
Change in certain assets and liabilities:
Accrued investment income	2,296	681
Reinsurance recoverable on loss reserves	(4,583)	(5,898)
Reinsurance recoverable on paid losses	2,350	9,341
Premiums receivable	1,263	2,466
Deferred insurance policy acquisition costs	580	745
Loss reserves	2,371	(932)
Unearned premiums	(8,373)	(8,844)
Return premium accrual	(1,426)	(2,600)
Current income taxes	61,087	39,839
Other, net	(37,343)	(50,588)
Net cash provided by (used in) operating activities	223,654	190,537
Cash flows from investing activities:
Purchases of investments	(455,780)	(327,757)
Proceeds from sales of investments	20,737	14,841
Proceeds from maturity of fixed income securities	467,543	338,885
Additions to property and equipment	(125)	0
Net cash provided by (used in) investing activities	32,375	25,969
Cash flows from financing activities:
Repurchase of common stock	(225,176)	(95,183)
Dividends paid	(33,919)	(33,353)
Payment of withholding taxes related to share-based compensation net share settlement	(18,868)	(19,046)
Net cash provided by (used in) financing activities	(277,963)	(147,582)
Net increase (decrease) in cash and cash equivalents and restricted cash and cash equivalents	(21,934)	68,924
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	234,627	370,644
Cash and cash equivalents and restricted cash and cash equivalents at end of period	$ 212,693	$ 439,568