Income Taxes, Current and Deferred Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Current [Abstract]
Federal	$ 13,101	$ 11,979	$ 7,941
State	4,832	4,446	4,345
Total Current	17,933	16,425	12,286
Deferred [Abstract]
Federal	(1,607)	383	3,116
State	(229)	116	(308)
Total Deferred	(1,836)	499	2,808
Total Provision for Taxes	$ 16,097	$ 16,924	$ 15,094