Business Combination (Schedule of Recognized Identified Assets Acquired and Liabilities Assumed) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	May 19, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Cash and due from banks		$ 81,231
Loans		122,862
Loans, net		122,862
Premises and equipment, net		6,326
Core deposits intangible		3,954
Total assets		214,373
Deposits: Noninterest-bearing		34,481
Deposits: Interest-bearing		177,975
Total deposits		212,456
Other liabilities		7
Total liabilities		212,463
Net assets acquired		1,910
Goodwill, Total	$ 27,207		$ 11,931
Northwest Bank Branches [Member]
Business Acquisition [Line Items]
Cash and due from banks		81,231
Loans, net	$ 122,500	122,862
Premises and equipment, net		6,326
Core deposits intangible		3,954
Total assets		214,373
Total deposits		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
Northwest Bank Branches [Member] | Scenario, Adjustment [Member]
Business Acquisition [Line Items]
Loans		(2,269)
Loans, net		(2,269)
Premises and equipment, net		963
Core deposits intangible		3,954
Total assets		2,648
Deposits: Interest-bearing		738
Total deposits		738
Total liabilities		738
Net assets acquired		1,910
Northwest Bank Branches [Member] | Northwest Bank [Member]
Business Acquisition [Line Items]
Cash and due from banks		81,231
Loans		125,131
Loans, net		125,131
Premises and equipment, net		5,363
Total assets		211,725
Deposits: Noninterest-bearing		34,481
Deposits: Interest-bearing		177,237
Total deposits		211,718
Other liabilities		7
Total liabilities		$ 211,725