Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Current Federal Tax Expense (Benefit)	$ (1,906)	$ 10,143	$ 21,633
Deferred Federal Income Tax Expense (Benefit)	1,920	2,103	(996)
Federal Income Tax Expense (Benefit), Continuing Operations	14	12,246	20,637
Current State and Local Tax Expense (Benefit)	1,001	2,054	2,945
Deferred State and Local Income Tax Expense (Benefit)	290	202	(185)
State and Local Income Tax Expense (Benefit), Continuing Operations	1,291	2,256	2,760
Income Tax Expense (Benefit)	1,305	14,502	$ 23,397
Deferred tax assets:
Deferred Tax Asset, Unearned Premiums	19,113	18,182
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Policyholder Liabilities	1,479	936
Deferred Tax Asset, Bad Debt Expense	54	51
Deferred Tax Asset, Other-than-temporary-impairment	27	28
Deferred Tax Assets, Other	507	432
Deferred Tax Assets, Gross	21,180	19,629
Deferred tax liabilities:
Deferred Tax Liability, Unrealized Gain	(642)	(1,019)
Deferred Tax Liabilities, Deferred Expense, Deferred Policy Acquisition Cost	(19,586)	(18,976)
Deferred Tax Liabilities, Intangible Assets	(3,371)	(1,974)
Deferred Tax Liabilities, Other	(895)	(433)
Deferred Tax Liabilities, Gross	25,999	22,653
Deferred Tax Liabilities, Property, Plant and Equipment	(1,505)	(251)
Deferred Tax Assets, Net	$ 4,819	$ 3,024