Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net income after noncontrolling interests	$ 47,611	$ 15,338
Net income attributable to noncontrolling interests	9,345	2,455
Net income	56,956	17,793
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation expense	1,582	2,106
Net accretion of discount on investments in fixed-maturity securities	(2,148)	(1,845)
Depreciation and amortization	1,003	2,230
Deferred income tax expense	5,604	3,266
Net realized investment losses	0	1,149
Net unrealized investment gains	(2,635)	(529)
Credit loss expense - reinsurance recoverable	(49)	(1)
Net income from limited partnership interests	(195)	(553)
Distributions received from limited partnership interests	0	303
Loss on extinguishment of debt	0	177
Gain on sales of real estate investments	0	(8,936)
Foreign currency remeasurement (gain) loss	(1)	1
Other non-cash items	(19)	71
Changes in operating assets and liabilities:
Accrued interest and dividends receivable	(545)	(573)
Income taxes	14,831	2,100
Premiums receivable, net	(5,254)	(9,968)
Assumed premiums receivable	19,954	0
Prepaid reinsurance premiums	52,107	39,564
Reinsurance recoverable	19,673	91,660
Deferred policy acquisition costs	(2,242)	(1,110)
Funds withheld for assumed business	15,906	3,498
Other assets	(6,657)	(5,590)
Losses and loss adjustment expenses	(6,361)	(57,457)
Unearned premiums	(1,658)	19,786
Advance premiums	10,623	7,247
Assumed reinsurance balances payable	1,831	0
Reinsurance payable on paid losses and loss adjustment expenses	(3,145)	(1,563)
Reinsurance recovered in advance on unpaid losses	0	(19,863)
Ceded reinsurance premiums payable	1,772	(3,523)
Accrued expenses and other liabilities	11,056	19,669
Net cash provided by operating activities	181,989	99,109
Cash flows from investing activities:
Investments in limited partnership interests	(399)	(170)
Distributions received from limited partnership interests	162	1,602
Distribution received from unconsolidated joint venture	0	18
Purchase of property and equipment	(946)	(1,469)
Purchase of real estate investments	(5,244)	(175)
Purchase of fixed-maturity securities	(172,336)	(160,152)
Purchase of equity securities	(7,679)	(6,472)
Purchase of short-term and other investments	0	(10)
Proceeds from sales of real estate investments	0	21,746
Proceeds from sales of fixed-maturity securities	6,030	11,060
Proceeds from calls, repayments and maturities of fixed-maturity securities	172,024	112,497
Proceeds from sales of equity securities	3,516	3,754
Proceeds from sales, redemptions and maturities of short-term and other investments	0	14
Net cash used in investing activities	(4,872)	(17,757)
Cash flows from financing activities:
Cash dividends paid	(3,993)	(3,432)
Net borrowing under revolving credit facility	50,000	0
Cash dividends paid to redeemable noncontrolling interest	(2,923)	(3,012)
Repayment of long-term debt	(128)	(258)
Redemption of long-term debt	(466)	(6,895)
Repurchases of common stock	(557)	(305)
Redemption of redeemable noncontrolling interest	(100,000)	0
Purchase of noncontrolling interests	(33)	(198)
Debt issuance costs	(99)	0
Net cash used in financing activities	(58,199)	(14,100)
Effect of exchange rate changes on cash	4	(3)
Net increase in cash, cash equivalents, and restricted cash	118,922	67,249
Cash, cash equivalents, and restricted cash at beginning of period	539,765	237,763
Cash, cash equivalents, and restricted cash at end of period	658,687	305,012
Supplemental disclosure of cash flow information:
Cash paid for income taxes	38	35
Cash paid for interest	1,052	739
Non-cash investing and financing activities:
Unrealized gain on investments in available-for-sale securities, net of tax	63	4,963
Conversion of 4.25% Convertible Senior Notes	23,450	0
Sale of real estate investments:
Contingent consideration receivable	0	125
Long-term debt obligations assumed by the buyer	0	8,995
Payable on purchases of equity securities	$ 25	$ 0