Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Current income tax expense (benefit), Federal	$ 244	$ 212	$ 129
Current income tax expense (benefit), State	508	226	150
Current income tax expense (benefit), Foreign	69	0	0
Total current income tax expense (benefit)	821	438	279
Deferred income tax expense (benefit), Federal	1,726	2,997	1,714
Deferred income tax expense (benefit), State	1,040	586	385
Deferred income tax expense (benefit), Foreign	0	0	0
Total deferred income tax expense (benefit)	2,766	3,583	2,099
Valuation allowance release	(772)	(588)	(341)
Total income tax expense (benefit)	$ 2,815	$ 3,433	$ 2,037