Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Operating activities:
Net income	$ 24,901	$ 26,167	$ 22,273
Adjustments to reconcile net income to net cash provided by operating activities:
Net investment gains	(151)	(176)	(59)
Deferred tax expense (benefit)	1,065	561	(879)
Depreciation and amortization	515	636	642
Stock compensation expense	652	492	65
Change in operating assets and liabilities:
Investment income due and accrued	(784)	(449)	(447)
Premiums receivable, net	(2,803)	(1,434)	(1,324)
Reserves for unpaid loss and loss adjustment expenses	50,916	45,172	57,418
Unearned premiums	13,766	7,631	6,460
Reinsurance balances, net	28,081	54,788	(29,501)
Funds held for reinsurers	(36,497)	(50,709)	23,274
Deferred policy acquisition costs	(1,625)	(11,846)	(2,067)
Income taxes payable	(922)	(482)	(1,393)
Accounts payable and accrued expenses	(2,299)	1,342	2,506
Other	2,583	2,048	1,734
Net cash provided by operating activities	77,398	73,741	78,702
Investing Activities:
Purchase of property and equipment	(179)	(565)	(231)
Change in short-term investments, net	0	2,299	1,957
Securities available-for-sale:
Purchases - fixed maturity securities	(111,580)	(149,572)	(128,204)
Purchases - equity securities	(31,608)	(2,442)	(372)
Sales - fixed maturity securities	12,040	13,541	14,328
Maturities and calls - fixed maturity securities	88,895	48,595	32,475
Net cash used in investing activities	(42,432)	(88,144)	(80,047)
Financing activities:
Common stock issued, net of transaction costs	0	72,841	0
Common stock issued, stock options exercised	1,077	0	0
Class A common stock issued	0	0	90
Proceeds from note payable	0	0	2,000
Repayment of note payable	0	(30,000)	0
Debt issuance costs	0	0	(30)
Dividends paid	(5,039)	(2,097)	0
Payments on capital lease	(9)	(133)	(129)
Net cash (used in) provided by financing activities	(3,971)	40,611	1,931
Net change in cash and cash equivalents	30,995	26,208	586
Cash and cash equivalents at beginning of period	50,752	24,544	23,958
Cash and cash equivalents at end of period	$ 81,747	$ 50,752	$ 24,544