Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Cash flows from operating activities:
Net (loss) income	$ (625)	$ 10,347
Adjustments to reconcile net (loss) income to cash provided by (used in) operating activities:
Depreciation and amortization expense	5,365	5,141
Deferred federal income taxes	817	(1,844)
Investment (gains) losses, net	(20,618)	10,195
Share-based payments expense	887	152
Change in ceded unearned premiums	(31,190)	(20,708)
Change in premiums receivable	(28,510)	(15,405)
Change in accounts receivable	(2,667)	(106)
Change in deferred policy acquisition costs	(8,703)	1,711
Change in unpaid losses and loss adjustment expenses	93,108	147
Change in unearned premiums	90,865	21,419
Change in reinsurance recoverable	(63,437)	(69,101)
Change in reinsurance balances payable	(8,054)	14,841
Change in current federal income tax (recoverable) payable	(8,999)	7,536
Change in all other liabilities	5,158	(267)
Change in all other assets	4,273	3,007
Net cash provided by (used in) operating activities	27,670	(32,935)
Cash flows from investing activities:
Purchases of property and equipment	(4,188)	(2,101)
Purchases of investment securities	(259,769)	(222,642)
Maturities, sales and redemptions of investment securities	231,603	232,081
Net cash (used in) provided by investing activities	(32,354)	7,338
Cash flows from financing activities:
Proceeds from exercise of employee stock options	1,520	242
Payment of revolving credit facility	(30,000)
Payment of debt issuance costs	(979)
Proceeds from senior unsecured note offering	50,000
Purchase of treasury shares	(1,380)	(1,807)
Net cash provided by (used in) financing activities	19,161	(1,565)
Increase (decrease) in cash and cash equivalents and restricted cash	14,477	(27,162)
Cash and cash equivalents and restricted cash at beginning of period	40,471	67,633
Cash and cash equivalents and restricted cash at end of period	$ 54,948	$ 40,471