Income Taxes (Schedule of Gross Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets:
Allowance for loan losses	$ 6,348	$ 6,362
Operating lease liabilities	6,782	0
Defined benefit pension obligations	1,361	420
Deferred compensation	4,200	3,688
Deferred loan origination fees	1,505	1,410
Share-based compensation	1,358	1,124
Net unrealized losses on available for sale debt securities	0	5,149
Other	2,031	1,917
Deferred tax assets	23,585	20,070
Deferred tax liabilities:
Net unrealized gains on available for sale debt securities	(991)	0
Amortization of intangibles	(1,696)	(1,918)
Operating lease right-of-use assets	(6,296)	0
Deferred loan origination costs	(4,084)	(3,897)
Loan servicing rights	(829)	(858)
Other	(1,388)	(1,120)
Deferred tax liabilities	(15,284)	(7,793)
Net deferred tax asset	$ 8,301	$ 12,277