Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Deferred tax assets:
Discounted unpaid losses and loss adjustment expenses	$ 465	$ 481
Unearned premiums	3,385	2,423
Net operating loss carryforwards	5,932	6,889
State net operating loss carryforwards	209	213
Other	(152)	(159)
Gross deferred tax assets	9,839	9,847
Less valuation allowance	(5,160)	(6,917)	$ (4,600)
Total deferred tax assets, net of allowance	4,679	2,930
Deferred tax liabilities:
Investment basis difference	49	38
Unrealized gains on investments	266	562
Deferred policy acquisition costs	4,115	1,971
Intangible assets	307	306
Property and equipment	267	378
Total deferred tax liabilities	5,004	3,255
Net deferred tax liability	$ (325)	$ (325)