Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash flows from operating activities:
Net income (loss)	$ 5,737	$ 636
Adjustments to reconcile net income to net cash (used in) provided by operating activities
Depreciation and amortization expense	2,479	2,256
Deferred federal income taxes	(988)	(2,174)
Investment losses, net	4,302	1,419
Share-based payments expense	1	46
Change in ceded unearned premiums	(15,181)	(11,156)
Change in premiums receivable	(7,815)	(18,091)
Change in accounts receivable	(538)	513
Change in deferred policy acquisition costs	1,944	(142)
Change in unpaid losses and loss adjustment expenses	(6,548)	23,791
Change in unearned premiums	13,535	20,639
Change in reinsurance recoverable	(32,117)	(16,613)
Change in reinsurance balances payable	13,072	7,690
Change in current federal income tax recoverable/payable	7,719	2,154
Change in all other liabilities	2,899	(745)
Change in all other assets	1,604	2,161
Net cash (used in) provided by operating activities	(9,895)	12,384
Cash flows from investing activities:
Purchases of property and equipment	(1,118)	(1,231)
Purchases of investment securities	(97,610)	(124,366)
Maturities, sales and redemptions of investment securities	124,873	111,440
Net cash provided by (used in) investing activities	26,145	(14,157)
Cash flows from financing activities:
Proceeds from exercise of employee stock options	242	145
Purchase of treasury shares	(1,464)	(4,425)
Net cash used in financing activities	(1,222)	(4,280)
Increase (decrease) in cash and cash equivalents and restricted cash	15,028	(6,053)
Cash, cash equivalents and restricted cash at beginning of period	67,633	86,959
Cash, cash equivalents and restricted cash at end of period	$ 82,661	$ 80,906