CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Adjustments to reconcile net income to net cash provided by operating activities:
Losses and settlement expenses, affiliated	$ 40,880	$ 14,364	$ 20,517
Unearned premiums, affiliated	12,752	5,045	8,177
Commissions payable, affiliated	981	(1,662)	3,191
Deferred policy acquisition costs, affiliated	(188)	(125)	(1,605)
Other, net, affiliated	(1,058)	960	1,796
CASH FLOWS FROM FINANCING ACTIVITIES
Dividends paid to stockholders, affiliated	$ (10,006)	$ (9,182)	$ (8,162)