Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net income	$ 10,188	$ 18,417
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization expense	2,927	2,346
Deferred federal income taxes	196	(1,311)
Net realized losses (gains)	1,299	(3,688)
Share-based payments expense	(21)	526
Change in ceded unearned premiums	(16,162)	(10,739)
Change in premiums receivable	(12,121)	(15,874)
Change in accounts receivable	(128)	900
Change in deferred policy acquisition costs	(335)	(364)
Change in unpaid losses and loss adjustment expenses	4,122	36,248
Change in unearned premiums	31,897	21,764
Change in reinsurance recoverable	(19,192)	(6,623)
Change in reinsurance balances payable	16,062	6,429
Change in current federal income tax payable (recoverable)	2,780	(446)
Change in all other liabilities	468	(3,561)
Change in all other assets	3,552	(923)
Net cash provided by operating activities	25,532	43,101
Cash flows from investing activities:
Purchases of property and equipment	(3,658)	(2,569)
Net transfers into restricted cash	(2,634)	(6,611)
Purchases of investment securities	(167,062)	(167,677)
Maturities, sales and redemptions of investment securities	110,407	98,344
Net cash used in investing activities	(62,947)	(78,513)
Cash flows from financing activities:
Payment of contingent consideration	(1,784)	(1,216)
Proceeds from exercise of employee stock options	466	602
Purchase of treasury shares	(5,792)	(1,910)
Net cash used in financing activities	(7,110)	(2,524)
Decrease in cash and cash equivalents	(44,525)	(37,936)
Cash and cash equivalents at beginning of period	114,446	130,985
Cash and cash equivalents at end of period	69,921	93,049
Supplemental cash flow information:
Interest paid	3,143	3,043
Income taxes paid	1,488	10,139
Supplemental schedule of non-cash investing activities:
Change in receivable for securities related to investment disposals that settled after the balance sheet date	9,739	1,422
Change in payable for securities related to investment purchases that settled after the balance sheet date	$ 2,858	$ (2,948)