Deposits (Narrative) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Deposits [Abstract]
Time Deposits in denominations that meet or exceed the FDIC Insurance limit	$ 239,600	$ 235,100
Time deposits acquired through a third party (brokered deposits)	216,900	205,700
Time Deposits, $100,000 or More	416,268	413,054
Related party deposit liabilities	$ 16,000	$ 14,700