Income Taxes (Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Investments, Owned, Federal Income Tax Note [Line Items]
Allowance for credit losses	$ 13,819	$ 9,714
Accrued employee benefits	2,706	2,039
Deferred tax asset lease liabilities under operating leases	1,423	1,640
Tax credit investments	1,799	1,130
Deferred Tax Assets, Derivative Instruments	2,494	736
Other	5	14
Total deferred tax assets	22,246	15,273
Other	583	797
Bank premises and equipment (a)	3,274	3,300
Deferred loan income	2,174	3,120
Deferred tax liability, right-of-use assets, under operating leases	1,370	1,597
Deferred Tax Liabilities, Gross	15,809	16,194
Deferred Tax Assets, Net	6,437
Deferred Tax Liabilities, Net		(921)
Available-for-sale securities
Investments, Owned, Federal Income Tax Note [Line Items]
Deferred Tax Liabilities, Investments	3,886	1,410
Purchase accounting adjustments
Investments, Owned, Federal Income Tax Note [Line Items]
Other	$ 4,522	$ 5,970