Income Taxes - Components of Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Current
Federal	$ 7,227	$ 7,730	$ 7,266
State	1,829	1,519	1,286
Total Current	9,056	9,249	8,552
Deferred
Federal	(4,283)	(3,372)	(1,702)
State	(546)	(180)	(33)
Total Deferred	(4,829)	(3,552)	(1,735)
Total	$ 4,227	$ 5,697	$ 6,817