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Income Taxes (Effective Tax Rates Differ From Federal Statutory Rate) (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Taxes [Abstract]
Statutory tax rate	21.00%	21.00%	21.00%	21.00%
Increase (decrease) resulting from:
Restricted stock	0.10%	0.00%	(0.40%)	0.10%
Tax exempt earnings on bank owned life insurance	(0.70%)	(0.10%)	(0.40%)	(0.10%)
Gain on redemption of life insurance policies			(0.70%)
Dividends on equity securities	(0.30%)		(0.20%)
Low income housing credits	(0.90%)	(0.20%)	(0.60%)	(0.30%)
Other, net	0.10%	0.00%	0.10%	0.00%
Effective tax rate	19.30%	20.70%	18.80%	20.70%

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Effective Income Tax Rate Reconciliation, Tax Credit, Low Income Housing, Percent

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.

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Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income (loss) exempt from income taxes.

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