Acquisition (Summary Of Estimated Fair Value Of Assets Acquired And Liabilities Assumed) (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	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	1,574
Bank premises and equipment			264	264
Goodwill			209	209
Accrued interest receivable and other assets			4	4
Total assets acquired				13,868
Deposits			13,809	13,809
Accrued interest payable and other liabilities			59	59
Total liabilities assumed			$ 13,868	$ 13,868