Business Combination and Pending Acquisition (Summary of Estimated Fair Value of Assets Acquired and Liabilities Assumed) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Mar. 17, 2017
Business Acquisition [Line Items]
Goodwill	$ 209	$ 209
West Scranton branch of Wayne Bank [Member]
Business Acquisition [Line Items]
Cash and cash equivalents			$ 11,817
Loans			1,574
Bank premises and equipment			264
Goodwill			209
Accrued interest receivable and other assets			4
Total assets acquired			13,868
Deposits			13,809
Accrued interest payable and other liabilities			59
Total liabilities assumed			$ 13,868