Income Taxes (Provision for Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Current Federal	$ 10,481	$ 11,468	$ 11,407
Current State	473	447	898
Deferred Federal	276	1,611	(920)
Deferred State	304	420	221
Total Income Taxes	$ 11,534	$ 13,946	$ 11,606