Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Operating activities
Net income (loss) from continuing operations	$ 45,494	$ 53,729	$ (6,904)
Net (loss) income from discontinued operations	(6,604)	814	(37,089)
Net (loss) income from discontinued operations	(6,604)	814	(37,089)
Net income (loss)	38,890	54,543	(43,993)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Provision for deferred taxes	12,322	14,242	37,369
Realized investment (gains) losses, net	(770)	1,557	(4,204)
Net limited partnerships (gains)	(3,101)	(1,081)	(3,240)
Net accretion from bonds and commercial loans	(2,622)	(6,083)	(2,364)
Depreciation and amortization	8,737	7,351	7,615
Stock based compensation	8,578	916	1,089
Changes in:
Premiums and other receivables	10,343	(16,013)	(15,956)
Receivable from reinsurers on paid losses and reinsurance receivable from unpaid losses	290	20,653	(12,849)
Ceded reinsurance payable	4,487	(5,167)	15,632
Accrued investment income	(1,331)	(2,870)	(4,056)
Deferred policy acquisition costs	(5,199)	(32,854)	15,813
Prepaid reinsurance premiums	1,765	78,324	(92,054)
Unpaid losses and loss adjustment expenses	124,836	138,575	91,618
Reserve for unearned premiums	47,290	40,501	40,603
Funds withheld related to sale of affiliate	(56)	7,376	(26,988)
Funds held under reinsurance agreements	(4,310)	(49,095)	91,671
Other assets	23,938	(15,092)	(8,992)
Other liabilities	(17,036)	(2,377)	48,463
Total adjustments	208,161	178,863	179,170
Net cash provided by operating activities - continuing operations	253,655	232,592	172,266
Net cash used in operating activities - discontinued operations	(359)	(900)	(98,396)
Net cash provided by operating activities	253,296	231,692	73,870
Investing activities
Purchases of available-for-sale fixed income securities	(570,726)	(509,970)	(1,236,581)
Sales of available-for-sale fixed income securities	145,053	173,768	719,916
Redemptions of available-for-sale fixed income securities	157,860	81,417	257,102
Purchases of commercial levered loans		(7,101)	(3,150)
Redemptions of commercial levered loans	2,815	14,698	8,858
Purchases of limited partnerships	(15,407)	(33,580)	(45,251)
Distributions and redemptions from limited partnerships	5,280	22,832	40,270
Purchases of short-term investments	(358,296)	(172,787)	(180,400)
Sales of short-term investments	351,761	140,623	238,291
Acquisition of fixed assets and capitalized software	(6,535)	(8,489)	(11,884)
Net cash used in investing activities - continuing operations	(288,195)	(298,589)	(212,829)
Net cash (used in) provided by investing activities - discontinued operations	(421)	637	52,356
Net cash used in investing activities	(288,616)	(297,952)	(160,473)
Financing activities
Proceeds from notes payable		18,000
Repayment of notes payable	(18,000)
Tax withholding on stock compensation awards	(740)
Proceeds from shares issued	50,878		32
Capital contributions			49,968
Net cash provided by financing activities	32,138	18,000	50,000
Net change in cash and cash equivalents	(3,182)	(48,260)	(36,603)
Cash, cash equivalents and restricted cash at beginning of year - continuing operations	29,900	77,872	75,211
Cash, cash equivalents and restricted cash at beginning of year - discontinued operations	1,034	1,322	40,586
Less: cash, cash equivalents and restricted cash at end of year - discontinued operations	(255)	(1,034)	(1,322)
Cash, cash equivalents and restricted cash at end of year	$ 27,497	$ 29,900	$ 77,872