Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net (loss) income	$ (3,219)	$ 8,971
Adjustments to reconcile net (loss) income to cash used in operating activities:
Depreciation and amortization expense	706	830
Deferred federal income taxes (benefit) expense	(339)	568
Investment (gains) losses, net	(51)	(5,779)
Share-based payments expense (benefit)	62	97
Change in ceded unearned premiums	3,788	5,436
Change in premiums receivable	2,201	10,533
Change in accounts receivable	(13,180)	1,342
Change in deferred policy acquisition costs	(36)	1,454
Change in reserves for losses and loss adjustment expenses	(18,343)	22,504
Change in unearned premiums	(7,942)	(15,791)
Change in reinsurance recoverable	4,698	(6,008)
Change in reinsurance balances	(31,928)	6,155
Change in federal income tax payable (recoverable)	3,469	1,687
Change in all other liabilities	1,069	515
Change in all other assets	(2,936)	(3,038)
Net cash (used in) provided by operating activities	(61,981)	29,476
Cash flows from investing activities:
Purchases of property and equipment	(631)	(64)
Purchases of investment securities	(166,832)	(27,829)
Maturities, sales and redemptions of investment securities	60,383	177,392
Net cash (used in) provided by investing activities	(107,080)	149,499
(Decrease) increase in cash and cash equivalents and restricted cash	(169,061)	178,975
Cash and cash equivalents and restricted cash at beginning of period	356,677	108,308
Cash and cash equivalents and restricted cash at end of period	$ 187,616	$ 287,283