Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Cash and Cash Equivalents [Abstract]
Cash and Due From Banks	$ 43,024	$ 34,816
Interest-Bearing Deposits at Banks	14,331	16,252
Total Cash and Cash Equivalents	57,355	51,068	$ 46,295	$ 49,980
Total required reserves, including vault cash and Federal Reserve Bank deposits	$ 28,610	$ 23,446