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Income Taxes (Narrative) (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Income Tax Contingency [Line Items] |  |  |
Noninterest Income | $ 46,906,000 | $ 43,176,000 | $ 40,381,000
Deferred Tax Assets, Valuation Allowance | 0 | 0 |
Operating loss carryforwards | 1,700,000 |  |
Interest or penalties recorded in income statement | 0 | 0 | $ 0
Amounts accrued for interest or penalties | 0 | 0 |
Domestic Country [Member] |  |  |
Income Tax Contingency [Line Items] |  |  |
Operating loss carryforwards | 0 |  |
State And Local Jurisdiction [Member] |  |  |
Income Tax Contingency [Line Items] |  |  |
Operating loss carryforwards | $ 0 |  |
Minimum [Member] | Domestic Country [Member] |  |  |
Income Tax Contingency [Line Items] |  |  |
Federal income tax years currently open for audits | 2018 |  |
Minimum [Member] | State And Local Jurisdiction [Member] |  |  |
Income Tax Contingency [Line Items] |  |  |
Federal income tax years currently open for audits | 2019 |  |
Maximum [Member] | Domestic Country [Member] |  |  |
Income Tax Contingency [Line Items] |  |  |
Federal income tax years currently open for audits | 2021 |  |
Maximum [Member] | State And Local Jurisdiction [Member] |  |  |
Income Tax Contingency [Line Items] |  |  |
Federal income tax years currently open for audits | 2021 |  |
Partnership [Member] |  |  |
Income Tax Contingency [Line Items] |  |  |
Investment Tax Credit | $ 2,600,000 | 1,500,000 |
Noninterest Income | $ 431,000 | $ 275,000 |

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
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- Definition The amount deducted from an entities' taxes, reflecting a percentage of an amount invested in certain assets spread over the useful life of those assets; includes deferred investment tax credits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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- Definition The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
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