Goodwill (Schedule Of Goodwill And Intangible Assets) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 10,947	$ 10,520	$ 10,520	$ 10,520
Goodwill, Amortization
Goodwill, Ending Balance	12,715	10,520	12,715	10,520
Intangible Assets, Amortization	(134)	(112)	(264)	(224)
Core Deposit Intangibles [Member]
Goodwill [Line Items]
Intangible Assets, Beginning Balance
Intangible Assets, Amortization	(4)		(4)
Intangible Assets, Ending Balance	162		162
Other Intangibles [Member]
Goodwill [Line Items]
Intangible Assets, Beginning Balance	2,475	2,360	2,025	2,472
Intangible Assets, Amortization	(130)	(112)	(260)	(224)
Intangible Assets, Ending Balance	2,345	$ 2,248	2,345	$ 2,248
Benefit Brokers Of WNY, LLC [Member]
Goodwill [Line Items]
Goodwill, Acquisition			427
Benefit Brokers Of WNY, LLC [Member] | Core Deposit Intangibles [Member]
Goodwill [Line Items]
Intangible Assets, Acquisition
Benefit Brokers Of WNY, LLC [Member] | Other Intangibles [Member]
Goodwill [Line Items]
Intangible Assets, Acquisition			580
FSB [Member]
Goodwill [Line Items]
Goodwill, Acquisition	1,768		1,768
FSB [Member] | Core Deposit Intangibles [Member]
Goodwill [Line Items]
Intangible Assets, Acquisition	166		166
FSB [Member] | Other Intangibles [Member]
Goodwill [Line Items]
Intangible Assets, Acquisition