Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operating activities:
Net income (loss)	$ 10,347	$ (11,553)
Adjustments to reconcile net income (loss) to cash (used in) provided by operating activities:
Depreciation and amortization expense	5,141	4,715
Deferred federal income taxes	(1,844)	(1,575)
Investment losses, net	10,195	205
Share-based payments expense	152	149
Change in ceded unearned premiums	(20,708)	(30,841)
Change in premiums receivable	(15,405)	(14,658)
Change in accounts receivable	(106)	756
Change in deferred policy acquisition costs	1,711	3,191
Change in unpaid losses and loss adjustment expenses	147	45,533
Change in unearned premiums	21,419	35,388
Change in reinsurance recoverable	(69,101)	(35,107)
Change in reinsurance balances payable	14,841	5,999
Change in current federal income tax (recoverable)/payable	7,536	(3,581)
Change in all other liabilities	(267)	3,091
Change in all other assets	3,007	5,487
Net cash (used in) provided by operating activities	(32,935)	7,199
Cash flows from investing activities:
Purchases of property and equipment	(2,101)	(2,705)
Purchases of investment securities	(222,642)	(305,930)
Maturities, sales and redemptions of investment securities	232,081	287,187
Net cash provided by (used in) investing activities	7,338	(21,448)
Cash flows from financing activities:
Proceeds from exercise of employee stock options	242	231
Purchase of treasury shares	(1,807)	(5,308)
Net cash used in financing activities	(1,565)	(5,077)
Decrease in cash and cash equivalents and restricted cash	(27,162)	(19,326)
Cash and cash equivalents and restricted cash at beginning of year	67,633	86,959
Cash and cash equivalents and restricted cash at end of year	$ 40,471	$ 67,633