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Fair Value of Assets and Liabilities - Valuation Technique (Details) - Level 3 $ in Thousands | Sep. 30, 2023 USD ($) item | Dec. 31, 2022 USD ($)
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Impaired loans | Appraisal value | Property specific adjustment |  |
Valuation techniques and significant unobservable inputs |  |
Individually evaluated | $ 2,390 | $ 2,813
Foreclosed assets | Appraisal value | Property specific adjustment |  |
Valuation techniques and significant unobservable inputs |  |
Foreclosed assets | $ 3 | $ 30
Servicing rights |  |
Valuation techniques and significant unobservable inputs |  |
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Servicing rights | Prepayment speed assumptions |  |
Valuation techniques and significant unobservable inputs |  |
Servicing rights | $ 2,214 | $ 2,643
Servicing rights | Prepayment speed assumptions | Minimum |  |
Valuation techniques and significant unobservable inputs |  |
Servicing Asset, Measurement Input | 84 | 103
Servicing rights | Prepayment speed assumptions | Maximum |  |
Valuation techniques and significant unobservable inputs |  |
Servicing Asset, Measurement Input | 125 | 137
Servicing rights | Prepayment speed assumptions | Weighted average |  |
Valuation techniques and significant unobservable inputs |  |
Servicing Asset, Measurement Input | 101 | 115
Servicing rights | Discount rate |  |
Valuation techniques and significant unobservable inputs |  |
Servicing Asset, Measurement Input | 0.111 | 0.105
Servicing rights | Discount rate | Weighted average |  |
Valuation techniques and significant unobservable inputs |  |
Servicing Asset, Measurement Input | 0.111 | 0.105

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- Definition Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481229/860-50-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481260/860-50-45-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481260/860-50-45-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481260/860-50-45-2 + Details
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