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Allowance for Loan Losses - Balance of allowance for loan losses (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Collectively evaluated for impairment | $ 20,032 | $ 20,032 |  |
Total allowance | 20,032 | 20,032 | $ 19,706 | $ 17,017
Individually evaluated for impairment | 530 | 549 |  |
Collectively evaluated for impairment | 1,721,401 | 1,665,005 |  |
Total loans | 1,721,931 | 1,665,554 |  |
Unallocated |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Collectively evaluated for impairment | 583 | 632 |  |
Total allowance | 583 | 632 | 2,120 | 350
Real Estate Loans | Residential Real Estate |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Collectively evaluated for impairment | 2,583 | 2,769 |  |
Total allowance | 2,583 | 2,769 | 2,518 | 2,430
Individually evaluated for impairment | 530 | 549 |  |
Collectively evaluated for impairment | 385,166 | 341,942 |  |
Total loans | 385,696 | 342,491 |  |
Real Estate Loans | Commercial Real Estate |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Collectively evaluated for impairment | 13,435 | 13,091 |  |
Total allowance | 13,435 | 13,091 |  |
Collectively evaluated for impairment | 1,091,221 | 968,442 |  |
Total loans | 1,091,221 | 968,442 |  |
Real Estate Loans | Construction and land development |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Collectively evaluated for impairment | 2,921 | 2,824 |  |
Total allowance | 2,921 | 2,824 | 1,835 | 2,617
Collectively evaluated for impairment | 199,324 | 231,090 |  |
Total loans | 199,324 | 231,090 |  |
Commercial - Non-Real Estate | Commercial |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Collectively evaluated for impairment | 504 | 711 |  |
Total allowance | 504 | 711 | 715 | 1,007
Collectively evaluated for impairment | 45,105 | 122,945 |  |
Total loans | 45,105 | 122,945 |  |
Consumer - Non-Real Estate | Consumer |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Collectively evaluated for impairment | 6 | 5 |  |
Total allowance | 6 | 5 | 5 | 11
Collectively evaluated for impairment | 585 | 586 |  |
Total loans | $ 585 | $ 586 |  |
Commercial Real Estate | Real Estate Loans |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Total allowance |  |  | $ 12,513 | $ 10,602

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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=122038336&loc=d3e74567-122707 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=121614798&loc=d3e15032-111544 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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