Segment Information (Schedule of Business Segment Information) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenues:
Revenues	$ 99,299	$ 84,571	$ 192,440	$ 167,557
Pre-tax income (loss), net of non-controlling interest:
Pre-tax income (loss), net of non-controlling interest	(5,317)	(4,194)	(3,154)	(4,000)
Standard Commercial Segment [Member]
Revenues:
Revenues	20,709	17,924	40,997	36,030
Pre-tax income (loss), net of non-controlling interest:
Pre-tax income (loss), net of non-controlling interest	(1,999)	(710)	(522)	(2,072)
Specialty Commercial Segment [Member]
Revenues:
Revenues	55,660	43,046	107,340	83,439
Pre-tax income (loss), net of non-controlling interest:
Pre-tax income (loss), net of non-controlling interest	566	2,929	4,264	8,906
Personal Segment [Member]
Revenues:
Revenues	22,387	22,905	43,365	47,336
Pre-tax income (loss), net of non-controlling interest:
Pre-tax income (loss), net of non-controlling interest	(1,654)	(4,211)	(1,718)	(5,402)
Corporate [Member]
Revenues:
Revenues	543	696	738	752
Pre-tax income (loss), net of non-controlling interest:
Pre-tax income (loss), net of non-controlling interest	$ (2,230)	$ (2,202)	$ (5,178)	$ (5,432)