Business Combination (Schedule of Recognized Identified Assets Acquired and Liabilities Assumed) (Details) - USD ($) $ in Thousands	May 19, 2017	Sep. 30, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Goodwill, Total		$ 27,909	$ 11,931
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	$ 122,900
Premises and equipment, net	6,326
Core deposits intangible	3,954
Total assets	214,373
Deposits, acquired	212,456
Other liabilities	7
Total liabilities	212,463
Net assets acquired	1,910
Transaction consideration paid to Northwest Bank	17,186
Goodwill, Total	$ 15,276