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Mortgage Servicing Rights - Summary of Carrying Value Under the Amortization Method (Details) - Mortgage Servicing Rights - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Mortgage Servicing Rights Accounted for Under the Amortization Method (Rollforward) |  |  |  |
Balance at Beginning of Period | $ 20,931 | $ 22,793 | $ 21,902 | $ 21,451
Servicing Rights that Resulted From Asset Transfers | 206 | 160 | 382 | 1,115
Amortization | (549) | (581) | (1,696) | (2,023)
Valuation Allowance Recovery (Provision) |  |  |  | 1,829
Balance at End of Period | 20,588 | 22,372 | 20,588 | 22,372
Valuation Allowance: |  |  |  |
Balance at Beginning of Period |  |  |  | (1,829)
Valuation Allowance Recovery (Provision) |  |  |  | 1,829
Fair Value of Mortgage Servicing Rights Accounted for Under the Amortization Method |  |  |  |
Beginning of Period | 26,327 | 28,314 | 27,323 | 21,451
End of Period | $ 26,423 | $ 27,678 | $ 26,423 | $ 27,678

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- Definition Represents the fair value of mortgage servicing rights at the beginning and ending of the period accounted for under the amortization method. + References No definition available. + Details
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- Definition Amortized amount of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481229/860-50-50-4 Reference 2: 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 3: http://www.xbrl.org/2003/role/recommendedDisclosureRef -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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- Definition Amount of additions from purchases, assumption or transfer to contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481229/860-50-50-4 + Details
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- Definition Amount of amortization of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481229/860-50-50-4 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Fair value of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481229/860-50-50-4 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 20 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480591/815-20-50-1 + Details
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- Definition Reflects the estimated amount of impairment as of the balance sheet date of recognized servicing assets that are being amortized in proportion to and over the period of estimated net servicing income or loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (e)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481229/860-50-50-4 + Details
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- Definition Amount of increase (decrease) in the valuation allowance for impairment of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer from expenses (recoveries) recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (e)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481229/860-50-50-4 + Details
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