Schedule III - Supplementary Insurance Information (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Supplementary Insurance Information, by Segment [Line Items]
Deferred Policy Acquisition Costs	$ 20,746	$ 22,586	$ 24,911
Future Policy Benefits, Losses, Claims and Loss Adjustment Expenses	415,135	382,640	313,416
Unearned Premiums	196,826	185,303	162,502
Premium Revenue	321,217	360,541	319,436
Net Investment Income	12,383	12,884	15,293
Benefits Claims, Losses and Settlement Expenses	210,055	261,345	226,414
Amortization of Deferred Policy Acquisition Costs	40,890	57,277	59,805
Other Operating Expenses	99,586	106,964	106,150
Net Premiums Written	324,352	360,765	332,489
Personal Segment [Member]
Supplementary Insurance Information, by Segment [Line Items]
Deferred Policy Acquisition Costs	729	660	4,952
Future Policy Benefits, Losses, Claims and Loss Adjustment Expenses	29,595	38,294	40,387
Unearned Premiums	15,483	17,989	21,125
Premium Revenue	14,083	63,800	81,451
Net Investment Income	1,633	2,065	2,449
Benefits Claims, Losses and Settlement Expenses	8,964	52,656	69,606
Amortization of Deferred Policy Acquisition Costs	9,315	17,759	17,250
Other Operating Expenses	9,977	16,957	26,413
Net Premiums Written	16,802	45,644	76,345
Standard Commercial Segment [Member]
Supplementary Insurance Information, by Segment [Line Items]
Deferred Policy Acquisition Costs	5,892	6,124	5,968
Future Policy Benefits, Losses, Claims and Loss Adjustment Expenses	109,672	111,473	103,610
Unearned Premiums	34,822	36,309	35,073
Premium Revenue	78,311	78,176	69,155
Net Investment Income	4,663	5,031	4,925
Benefits Claims, Losses and Settlement Expenses	51,130	56,143	52,828
Amortization of Deferred Policy Acquisition Costs	3,389	8,254	10,825
Other Operating Expenses	25,479	25,313	22,742
Net Premiums Written	76,912	79,466	70,091
Specialty Commercial Segment [Member]
Supplementary Insurance Information, by Segment [Line Items]
Deferred Policy Acquisition Costs	14,125	15,802	13,991
Future Policy Benefits, Losses, Claims and Loss Adjustment Expenses	275,868	232,873	169,419
Unearned Premiums	146,521	131,005	106,304
Premium Revenue	228,823	218,565	168,830
Net Investment Income	12,643	11,021	9,435
Benefits Claims, Losses and Settlement Expenses	149,961	152,546	103,980
Amortization of Deferred Policy Acquisition Costs	28,186	31,264	31,730
Other Operating Expenses	53,851	56,974	49,170
Net Premiums Written	230,638	235,655	186,053
Corporate [Member]
Supplementary Insurance Information, by Segment [Line Items]
Net Investment Income	(6,556)	(5,233)	(1,516)
Other Operating Expenses	$ 10,279	$ 7,720	$ 7,825