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Loans and Allowance for Loan Losses - Off-Balance Sheet Credit Losses (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Balance at beginning of period | $ 1,815 |
Off-Balance Sheet - CECL Adoption |  | $ 553
Off-Balance Sheet- Provision (Benefit) | (606) | 1,262
Balance at end of period | 1,209 | 1,815
Other operating expense |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Off-Balance Sheet- Provision (Benefit) | (600) | 1,300
Other Liabilities [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Balance at beginning of period | 1,800 |
Balance at end of period | $ 1,200 | $ 1,800

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- Definition Amount of impact of adoption of new accounting standard for expected credit loss for off-balance sheet credit exposure. + References No definition available. + Details
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- Definition Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121611286&loc=d3e11927-110247 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82919202-210446 + Details
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- Definition Amount of expense (reversal of expense) for expected credit loss for off-balance sheet credit exposure. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
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