Statutory (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statutory [Abstract]
Net income (loss) of the insurance subsidiaries in accordance with statutory accounting practices	$ 25,627	$ 27,143	$ 30,886
Consolidated statutory capital and surplus for subsidiaries	390,823	$ 398,762
Amount of statutory surplus transferred by dividend or loan to the parent company	62,539
Additional shareholders' equity of insurance subsidiaries that could be advanced or loaned to parent company with prior notification and approval from regulatory authorities	239,249
Minimum statutory surplus necessary for the insurance subsidiaries to satisfy statutory risk based capital requirements	87,688
Consolidated statutory capital and surplus exceeded requirement	$ 303,135
Excess statutory capital and surplus to risk based capital	346.00%