Business Combination (Schedule of Recognized Identified Assets Acquired and Liabilities Assumed) (Details) - USD ($) $ in Thousands	May 19, 2017	Mar. 31, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Goodwill, Total		$ 27,618	$ 27,618
Northwest Bank Branches [Member]
Business Acquisition [Line Items]
Cash consideration	$ 17,186
Total purchase price for NWBI branch acquisition	17,186
Cash and due from banks	81,231
Loans, acquired	122,862
Premises and equipment, net	6,326
Core deposits intangible	3,954
Deferred tax assets	291
Total assets	214,664
Deposits, acquired	212,456
Other liabilities	7
Total liabilities	212,463
Net assets acquired	2,201
Goodwill, Total	$ 14,985