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Financial Instruments with Off-Balance Sheet Risk - Narrative (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2023 | Dec. 31, 2022
Financial Instruments with Off-Balance Sheet Risk |  |
Provision for off-balance sheet credit loss | $ 44 |
Unfunded commitments |  |
Financial Instruments with Off-Balance Sheet Risk |  |
Allowance for credit loss | 5,200 | $ 3,244
Provision for off-balance sheet credit loss | 304 |
Unfunded commitments | Adoption of CECL |  |
Financial Instruments with Off-Balance Sheet Risk |  |
Allowance for credit loss |  | 1,900
Letter of credit with FHLB |  |
Financial Instruments with Off-Balance Sheet Risk |  |
Outstanding letters of credit | 0 | 0
Letter of credit with Bank of North Dakota |  |
Financial Instruments with Off-Balance Sheet Risk |  |
Outstanding letters of credit | 0 | 0
Collateralized loans | $ 400,300 | $ 215,500

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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 -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482454/460-10-45-1 + 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 -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
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