Income Taxes (Temporary Differences) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Deferred tax assets:
Discounting of loss reserves	$ 5,984	$ 6,668
Discounting of unearned premium reserve	28,286	27,542
Bad debt allowance	502	509
Employee benefits	7,995	7,922
Rent incentive	238	371
Depreciation	255	152
Total deferred tax assets before valuation allowance	43,260	43,164
Total deferred tax assets	43,260	43,164
Deferred tax liabilities:
Deferred acquisition costs	(24,848)	(24,128)
Investments	(3,469)	(2,540)
Net unrealized gains on investments	(8,531)	(8,865)
Software development costs	(2,479)	(2,342)
Premium acquisition expenses	(850)	(856)
Other		(3)
Total deferred tax liabilities	(40,177)	(38,734)
Net deferred tax asset	3,083	4,430
Unrecognized tax benefits	0	0
Unrecognized tax benefits if recognized would affect the effective tax rate	0	0
Unrecognized tax benefits interest and penalties accrued	$ 0	$ 0