Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net (loss) income after noncontrolling interests	$ (9,078)	$ 8,065
Net income attributable to noncontrolling interests	3,327	2,610
Net (loss) income	(5,751)	10,675
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation expense	8,579	6,497
Net (accretion of discount) amortization of premiums on investments in fixed-maturity securities	(189)	144
Depreciation and amortization	3,495	2,928
Deferred income tax benefit	(4,080)	(3,732)
Net realized investment losses (gains)	320	(3,720)
Net unrealized investment losses (gains)	7,810	(1,220)
Credit loss expense - reinsurance recoverable	(28)	(28)
Net (income) loss from unconsolidated joint venture	(495)	50
Net income from limited partnership interests	(1,799)	(2,359)
Distributions received from limited partnership interests	2,046	1,792
Foreign currency remeasurement loss	50	75
Other non-cash items	(405)	21
Changes in operating assets and liabilities:
Accrued interest and dividends receivable	(1,068)	258
Income taxes	2,295	7,106
Premiums receivable, net	15,855	(739)
Prepaid reinsurance premiums	(54,668)	35,614
Reinsurance recoverable	23,196	23,181
Deferred policy acquisition costs	9,390	(569)
Funds withheld for assumed business	(8,752)	(43,395)
Other assets	(12,707)	9,773
Losses and loss adjustment expenses	1,659	(8,384)
Unearned premiums	3,396	40,443
Advance premiums	11,657	9,855
Reinsurance payable on paid losses and loss adjustment expenses	285	7,398
Ceded reinsurance premiums payable	5,323	9,206
Accrued expenses and other liabilities	16,215	(5,223)
Net cash provided by operating activities	21,629	95,647
Cash flows from investing activities:
Investments in limited partnership interests	(1,144)	(700)
Distributions received from limited partnership interests	2,335	2,653
Purchase of property and equipment	(4,229)	(1,275)
Purchase of real estate investments	(111)	(331)
Purchase of intangible assets	(3,800)	0
Purchase of fixed-maturity securities	(377,638)	(6,338)
Purchase of equity securities	(16,383)	(45,040)
Purchase of short-term and other investments	0	(1,058)
Proceeds from sales of real estate investments	667	0
Proceeds from sales of fixed-maturity securities	11,494	14,680
Proceeds from calls, repayments and maturities of fixed-maturity securities	4,020	16,677
Proceeds from sales of equity securities	24,427	56,511
Proceeds from sales, redemptions and maturities of short-term and other investments	267	2,026
Net cash (used in) provided by investing activities	(360,095)	37,805
Cash flows from financing activities:
Cash dividends paid	(8,168)	(6,605)
Cash dividends received under share repurchase forward contract	77	153
Net repayment under revolving credit facility	(15,000)	(23,750)
Proceeds from issuance of redeemable noncontrolling interest and warrants	0	100,000
Issuance costs - redeemable noncontrolling interest	0	(6,262)
Cash dividends paid to redeemable noncontrolling interest	(2,508)	0
Proceeds from issuance of long-term debt	172,500	0
Repayment of long-term debt	(501)	(480)
Repurchases of common stock	(68,103)	(1,308)
Repurchases of common stock under share repurchase plan	(1,884)	0
Purchase of noncontrolling interests	(389)	(58)
Debt issuance costs	(5,757)	(152)
Net cash provided by financing activities	70,267	61,538
Effect of exchange rate changes on cash	(56)	(45)
Net (decrease) increase in cash, cash equivalents, and restricted cash	(268,255)	194,945
Cash, cash equivalents, and restricted cash at beginning of period	631,343	433,741
Cash, cash equivalents, and restricted cash at end of period	363,088	628,686
Supplemental disclosure of cash flow information:
Cash paid for income taxes	55	1,150
Cash paid for interest	943	3,492
Non-cash investing and financing activities:
Unrealized loss on investments in available-for-sale securities, net of tax	(4,413)	(500)
Receivable from sales of equity securities	1,051	3,455
Payable on purchases of equity securities	1,050	32
Warrants issued in Centerbridge transaction	0	9,217
Acquisition of intangibles:
Common stock issued	0	5,410
Contingent consideration payable	$ 1,069	$ 2,419