Income Taxes (Schedule of Gross Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Deferred Tax Assets:
Allowance for credit losses on loans	$ 10,585	$ 6,348
Operating lease liabilities	7,612	6,782
Deferred compensation	4,646	4,200
Deferred loan origination fees	2,654	1,505
Defined benefit pension obligations	2,576	1,361
Share-based compensation	1,825	1,358
Other	2,583	2,031
Deferred tax assets	32,481	23,585
Deferred Tax Liabilities:
Operating lease right-of-use assets	(7,085)	(6,296)
Deferred loan origination costs	(4,321)	(4,084)
Net unrealized gains on available for sale debt securities	(3,120)	(991)
Loan servicing rights	(1,784)	(829)
Amortization of intangibles	(1,513)	(1,696)
Depreciation of premises and equipment	(1,215)	(669)
Other	(1,253)	(719)
Deferred tax liabilities	(20,291)	(15,284)
Net deferred tax asset	$ 12,190	$ 8,301