Segment Information (Schedule of Business Segment Information) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenues [Abstract]
Revenues	$ 87,109	$ 93,141
Pre-tax income (loss) [Abstract]
Pre-tax income (loss)	6,412	2,163
Standard Commercial Segment [Member]
Revenues [Abstract]
Revenues	20,341	20,288
Pre-tax income (loss) [Abstract]
Pre-tax income (loss)	1,221	1,477
Specialty Commercial Segment [Member]
Revenues [Abstract]
Revenues	62,482	51,680
Pre-tax income (loss) [Abstract]
Pre-tax income (loss)	9,924	3,698
Personal Segment [Member]
Revenues [Abstract]
Revenues	5,592	20,978
Pre-tax income (loss) [Abstract]
Pre-tax income (loss)	(31)	(64)
Corporate [Member]
Revenues [Abstract]
Revenues	(1,306)	195
Pre-tax income (loss) [Abstract]
Pre-tax income (loss)	$ (4,702)	$ (2,948)