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Loans - Narrative (Details) | 12 Months Ended
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Dec. 31, 2021 USD ($) loan | Dec. 31, 2020 USD ($) loan
Loans and Leases Receivable Disclosure [Line Items] |  |
Minimum loan balance to review high risk loans | $ 250,000 |
Interest income on impaired loans | 570,000 | $ 761,000
Interest lost on nonaccrual loans | $ 1,200,000 | $ 518,000
Number of loan contracts restructured | loan | 2 | 4
Loan contracts restructured | $ 647,000 | $ 494,000
Number of contracts, paid off | loan | 1 |
Number of loan contracts with subsequent default | loan | 0 | 0
Loans | $ 1,337,977,000 | $ 1,059,503,000
Loan Modifications, CARES Act |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | $ 0 | $ 1,900,000
Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Number of loan contracts restructured | loan | 2 | 1
Loan contracts restructured | $ 136,000 | $ 273,000
Loans | 212,527,000 | $ 183,021,000
Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Number of loan contracts restructured | loan |  | 2
Loan contracts restructured |  | $ 132,000
Loans | 952,838,000 | $ 641,484,000
Construction Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing receivable, troubled debt restructuring, paid off | $ 511,000 |
Commercial Loan |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Number of loan contracts restructured | loan |  | 1
Loan contracts restructured |  | $ 89,000

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- Definition Amount excluding accrued interest, before allowance for credit loss, of financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 3B -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447 + Details
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