Segment Information (Schedule of Business Segment Information) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenues [Abstract]
Revenues	$ 90,028	$ 91,450
Pre-tax income (loss) [Abstract]
Pre-tax income (loss)	5,989	7,689
Specialty Commercial Segment [Member]
Revenues [Abstract]
Revenues	60,583	62,257
Pre-tax income (loss) [Abstract]
Pre-tax income (loss)	10,312	9,721
Standard Commercial Segment [Member]
Revenues [Abstract]
Revenues	17,992	20,381
Pre-tax income (loss) [Abstract]
Pre-tax income (loss)	1,416	1,886
Personal Segment [Member]
Revenues [Abstract]
Revenues	12,090	8,653
Pre-tax income (loss) [Abstract]
Pre-tax income (loss)	(1,083)	(296)
Corporate [Member]
Revenues [Abstract]
Revenues	(637)	159
Pre-tax income (loss) [Abstract]
Pre-tax income (loss)	$ (4,656)	$ (3,622)