Income Taxes (Temporary Differences) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets:
Discounting of loss reserves	$ 5,642	$ 5,688
Discounting of unearned premium reserve	17,710	17,475
Investments		1,972
Bad debt allowance	274	274
Employee benefits	4,340	4,159
Rent incentive	1,063	1,181
Total deferred tax assets before valuation allowance	29,029	30,749
Total deferred tax assets	29,029	30,749
Deferred tax liabilities:
Deferred acquisition costs	(15,600)	(15,405)
Investments	(1,744)
Net unrealized gains on investments	(11,985)	(1,645)
Loss reserve transition adjustment	(1,662)	(2,229)
Software development costs	(2,109)	(1,268)
Premium acquisition expenses	(509)	(512)
Depreciation	(1,137)	(941)
Total deferred tax liabilities	(34,746)	(22,000)
Net deferred tax (liability) asset	(5,717)
Net deferred tax (liability) asset		8,749
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