Segment Information (Schedule of Segment Reporting, by Segment) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Revenues
Revenues	$ 97,375	$ 97,723	$ 93,475	$ 96,948	$ 97,254	$ 97,618	$ 91,052	$ 90,028	$ 385,521	$ 375,952	$ 372,402
Depreciation and Amortization Expense
Depreciation and Amortization Expense									4,715	3,894	3,516
Interest Expense
Interest Expense									4,512	4,549	3,906
Tax Expense (Benefit)
Income tax expense (benefit)	$ (5,338)	$ 35	$ (1,568)	$ 1,852	$ (2,512)	$ 2,128	$ 421	$ 1,915	(5,019)	1,952	10,023
Pre-tax income (loss), net of non-controlling interest:
Consolidated pre-tax income (loss), net of non-controlling interest									(16,572)	8,478	31,886
Specialty Commercial Segment [Member]
Revenues
Revenues									277,946	255,897	249,910
Depreciation and Amortization Expense
Depreciation and Amortization Expense									2,796	2,579	2,537
Interest Expense
Interest Expense
Tax Expense (Benefit)
Income tax expense (benefit)									(4,382)	7,886	11,609
Pre-tax income (loss), net of non-controlling interest:
Consolidated pre-tax income (loss), net of non-controlling interest									2,012	24,417	40,277
Standard Commercial Segment [Member]
Revenues
Revenues									70,302	71,966	76,864
Depreciation and Amortization Expense
Depreciation and Amortization Expense									294	101	136
Interest Expense
Interest Expense
Tax Expense (Benefit)
Income tax expense (benefit)									3,849	3,011	1,436
Pre-tax income (loss), net of non-controlling interest:
Consolidated pre-tax income (loss), net of non-controlling interest									2,440	8,866	6,687
Personal Segment [Member]
Revenues
Revenues									40,462	49,826	45,538
Depreciation and Amortization Expense
Depreciation and Amortization Expense									1,258	1,070	779
Interest Expense
Interest Expense
Tax Expense (Benefit)
Income tax expense (benefit)									(676)	(3,821)	(1,345)
Pre-tax income (loss), net of non-controlling interest:
Consolidated pre-tax income (loss), net of non-controlling interest									(3,058)	(6,839)	(885)
Corporate [Member]
Revenues
Revenues									(3,189)	(1,737)	90
Depreciation and Amortization Expense
Depreciation and Amortization Expense									367	144	64
Interest Expense
Interest Expense									4,512	4,549	3,906
Tax Expense (Benefit)
Income tax expense (benefit)									(3,810)	(5,124)	(1,677)
Pre-tax income (loss), net of non-controlling interest:
Consolidated pre-tax income (loss), net of non-controlling interest									(17,966)	(17,966)	(14,193)
Parent Company [Member]
Revenues
Revenues									22,722	21,281	18,173
Depreciation and Amortization Expense
Depreciation and Amortization Expense									367	148	65
Interest Expense
Interest Expense									4,512	4,549	3,906
Tax Expense (Benefit)
Income tax expense (benefit)									$ (947)	$ (1,315)	$ (1,273)