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Derivatives - Narrative (Details) | 12 Months Ended
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Dec. 31, 2021 USD ($) swap | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Derivatives, Fair Value [Line Items] |  |  |
Threshold for collateral requirements | $ 250,000 |  |
Collateral posted | 8,200,000 | $ 10,700,000 |
Derivative notional amount | $ 212,600,000 | 196,000,000 |
Number of instruments | swap | 38 |  |
Interest rate swap income | $ 452,000 | 949,000 | $ 964,000
Commitments to originate loans held for sale | 81,617,000 | 150,276,000 |
RML |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Commitments to originate loans held for sale | 81,600,000 | 150,300,000 |
LIBOR |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivative notional amount | 143,200,000 |  |
Subordinated Debt |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Junior subordinated debenture | $ 10,000,000 |  |
Effective interest rate on junior subordinated debenture | 3.72% |  |
Debt instrument, interest rate during period | 1.57% |  |
Subordinated Debt | LIBOR |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Debt instrument, basis spread on variable rate | 1.37% |  |
Variable to Fixed |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivative notional amount | $ 106,300,000 |  |
Number of instruments | swap | 19 |  |
Fixed to Variable |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivative notional amount | $ 106,300,000 |  |
Number of instruments | swap | 19 |  |
Interest rate swaps | Designated as Hedging Instrument |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Cash pledged to collateralize fair value exposure on interest rate swap | $ 2,900,000 | 2,900,000 |
Unrealized loss on interest rate swap | 1,000,000 | $ 1,700,000 |
Interest rate swaps | Subordinated Debt | LIBOR |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivative notional amount | $ 10,000,000 |  |

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- Definition Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e681-108580 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 5A -URI http://asc.fasb.org/extlink&oid=123594809&loc=SL116692626-108610 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669646-108580 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669686-108580 + Details
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