Income Taxes (Net Deferred Tax Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Allowance for credit losses	$ 14,239	$ 7,810
Leases - right of use obligations	5,510	5,474
Deferred compensation	1,149	1,095
Investment in limited partnerships	1,418	1,191
SERP agreements	323	418
Interest on nonaccrual loans	88	191
Share-based compensation	602	586
Other	148	224
Gross deferred tax assets	23,477	16,989
Leases - right of use assets	5,113	5,474
Prepaid expenses	635	498
Prepaid pension costs	1,183	897
Intangible assets	2,286	2,643
Depreciation and amortization	2,046	1,961
Net unrealized gain on securities available for sale	5,079	301
Loan servicing assets	338	289
Other	627	550
Gross deferred tax liabilities	17,307	12,613
Net deferred tax asset	$ 6,170	$ 4,376

Deferred Tax Assets, Interest On Nonaccrual Loans

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Deferred Tax Liabilities, Depreciation And Amortization

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Net unrealized gain on securities available for sale.

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Deferred Tax Liabilities, Prepaid Pension Costs

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Amount of deferred tax liability attributable to taxable temporary differences.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from equity method investments.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the allowance for doubtful accounts.

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Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill.

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Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements.

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Amount of deferred tax liability attributable to taxable temporary differences from mortgage servicing rights.

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Amount of deferred tax consequences attributable to taxable temporary differences derived from prepaid expenses.

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