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Fair Value Measurements - Quantitative and Qualitative Information (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2022 USD ($)
Quantitative information about Level 3 fair value measurements |  |
Mortgage servicing rights, fair value | $ 7,097,000 | $ 11,189,000
Securities available-for-sale, at fair value | 1,693,632,000 | 1,539,359,000
Fair Value, Inputs, Level 3 [Member] |  |
Quantitative information about Level 3 fair value measurements |  |
Mortgage servicing rights, fair value | 7,097,000 | 11,189,000
Securities available-for-sale, at fair value | 15,236,000 | 36,011,000
Asset-backed Securities |  |
Quantitative information about Level 3 fair value measurements |  |
Securities available-for-sale, at fair value | 236,877,000 | 201,928,000
States and political subdivisions |  |
Quantitative information about Level 3 fair value measurements |  |
Securities available-for-sale, at fair value | 257,609,000 | 226,128,000
Collateralized mortgage obligations |  |
Quantitative information about Level 3 fair value measurements |  |
Securities available-for-sale, at fair value | 672,967,000 | 533,768,000
Fair Value, Measurements, Recurring [Member] |  |
Quantitative information about Level 3 fair value measurements |  |
Mortgage servicing rights, fair value | 7,097,000 | 11,189,000
Securities available-for-sale, at fair value |  | 491,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Quantitative information about Level 3 fair value measurements |  |
Mortgage servicing rights, fair value | 7,097,000 | 11,189,000
Fair Value, Measurements, Recurring [Member] | Interest Rate Swap [Member] |  |
Quantitative information about Level 3 fair value measurements |  |
Securities available-for-sale, at fair value |  | 6,516,000
Fair Value, Measurements, Recurring [Member] | Asset-backed Securities |  |
Quantitative information about Level 3 fair value measurements |  |
Securities available-for-sale, at fair value | 236,877,000 | 201,928,000
Fair Value, Measurements, Recurring [Member] | Asset-backed Securities | Fair Value, Inputs, Level 3 [Member] |  |
Quantitative information about Level 3 fair value measurements |  |
Securities available-for-sale, at fair value |  | 15,012,000
Fair Value, Measurements, Recurring [Member] | States and political subdivisions |  |
Quantitative information about Level 3 fair value measurements |  |
Securities available-for-sale, at fair value | 257,609,000 | 226,128,000
Fair Value, Measurements, Recurring [Member] | States and political subdivisions | Fair Value, Inputs, Level 3 [Member] |  |
Quantitative information about Level 3 fair value measurements |  |
Securities available-for-sale, at fair value | 15,236,000 | 14,229,000
Fair Value, Measurements, Recurring [Member] | Collateralized mortgage obligations |  |
Quantitative information about Level 3 fair value measurements |  |
Securities available-for-sale, at fair value | 672,967,000 | 533,768,000
Fair Value, Measurements, Recurring [Member] | Collateralized mortgage obligations | Fair Value, Inputs, Level 3 [Member] |  |
Quantitative information about Level 3 fair value measurements |  |
Securities available-for-sale, at fair value |  | 6,770,000
Fair Value, Measurements, Recurring [Member] | Measurement Input, Discount Rate | Asset-backed Securities | Discounted Cash Flow Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Quantitative information about Level 3 fair value measurements |  |
Mortgage servicing rights, fair value |  | $ 15,012,000
Fair Value, Measurements, Recurring [Member] | Measurement Input, Discount Rate | Asset-backed Securities | Discounted Cash Flow Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] | Minimum |  |
Quantitative information about Level 3 fair value measurements |  |
Servicing Asset, Measurement Input |  | 6.2
Fair Value, Measurements, Recurring [Member] | Measurement Input, Discount Rate | Asset-backed Securities | Discounted Cash Flow Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] | Maximum |  |
Quantitative information about Level 3 fair value measurements |  |
Servicing Asset, Measurement Input |  | 6.5
Fair Value, Measurements, Recurring [Member] | Measurement Input, Discount Rate | Asset-backed Securities | Discounted Cash Flow Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] | Weighted Average [Member] |  |
Quantitative information about Level 3 fair value measurements |  |
Servicing Asset, Measurement Input |  | 6.3
Fair Value, Measurements, Recurring [Member] | Measurement Input, Discount Rate | Mortgage Servicing Rights [Member] | Discounted Cash Flow Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Quantitative information about Level 3 fair value measurements |  |
Mortgage servicing rights, fair value | $ 7,097,000 | $ 11,189,000
Fair Value, Measurements, Recurring [Member] | Measurement Input, Discount Rate | Mortgage Servicing Rights [Member] | Discounted Cash Flow Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] | Minimum |  |
Quantitative information about Level 3 fair value measurements |  |
Servicing Asset, Measurement Input | 11.0 | 9.0
Fair Value, Measurements, Recurring [Member] | Measurement Input, Discount Rate | Mortgage Servicing Rights [Member] | Discounted Cash Flow Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] | Maximum |  |
Quantitative information about Level 3 fair value measurements |  |
Servicing Asset, Measurement Input | 15.0 | 11.0
Fair Value, Measurements, Recurring [Member] | Measurement Input, Discount Rate | Mortgage Servicing Rights [Member] | Discounted Cash Flow Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] | Weighted Average [Member] |  |
Quantitative information about Level 3 fair value measurements |  |
Servicing Asset, Measurement Input | 11.0 | 9.0
Fair Value, Measurements, Recurring [Member] | Measurement Input, Discount Rate | States and political subdivisions | Discounted Cash Flow Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Quantitative information about Level 3 fair value measurements |  |
Mortgage servicing rights, fair value | $ 15,236,000 | $ 14,229,000
Fair Value, Measurements, Recurring [Member] | Measurement Input, Discount Rate | States and political subdivisions | Discounted Cash Flow Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] | Minimum |  |
Quantitative information about Level 3 fair value measurements |  |
Servicing Asset, Measurement Input |  | 2.3
Fair Value, Measurements, Recurring [Member] | Measurement Input, Discount Rate | States and political subdivisions | Discounted Cash Flow Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] | Maximum |  |
Quantitative information about Level 3 fair value measurements |  |
Servicing Asset, Measurement Input |  | 5.8
Fair Value, Measurements, Recurring [Member] | Measurement Input, Discount Rate | States and political subdivisions | Discounted Cash Flow Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] | Weighted Average [Member] |  |
Quantitative information about Level 3 fair value measurements |  |
Servicing Asset, Measurement Input | 2.8 | 4.4
Fair Value, Measurements, Recurring [Member] | Measurement Input, Discount Rate | Collateralized mortgage obligations | Discounted Cash Flow Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Quantitative information about Level 3 fair value measurements |  |
Mortgage servicing rights, fair value |  | $ 6,770,000
Fair Value, Measurements, Recurring [Member] | Measurement Input, Discount Rate | Collateralized mortgage obligations | Discounted Cash Flow Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] | Minimum |  |
Quantitative information about Level 3 fair value measurements |  |
Servicing Asset, Measurement Input |  | 7.0
Fair Value, Measurements, Recurring [Member] | Measurement Input, Discount Rate | Collateralized mortgage obligations | Discounted Cash Flow Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] | Maximum |  |
Quantitative information about Level 3 fair value measurements |  |
Servicing Asset, Measurement Input |  | 7.0
Fair Value, Measurements, Recurring [Member] | Measurement Input, Discount Rate | Collateralized mortgage obligations | Discounted Cash Flow Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] | Weighted Average [Member] |  |
Quantitative information about Level 3 fair value measurements |  |
Servicing Asset, Measurement Input |  | 7.0
Fair Value, Measurements, Recurring [Member] | Measurement Input, Constant Prepayment Rate | Mortgage Servicing Rights [Member] | Discounted Cash Flow Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] | Minimum |  |
Quantitative information about Level 3 fair value measurements |  |
Servicing Asset, Measurement Input | 0.0 | 3.6
Fair Value, Measurements, Recurring [Member] | Measurement Input, Constant Prepayment Rate | Mortgage Servicing Rights [Member] | Discounted Cash Flow Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] | Maximum |  |
Quantitative information about Level 3 fair value measurements |  |
Servicing Asset, Measurement Input | 36.6 | 27.3
Fair Value, Measurements, Recurring [Member] | Measurement Input, Constant Prepayment Rate | Mortgage Servicing Rights [Member] | Discounted Cash Flow Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] | Weighted Average [Member] |  |
Quantitative information about Level 3 fair value measurements |  |
Servicing Asset, Measurement Input | 11.9 | 6.2
Fair Value, Measurements, Recurring [Member] | Measurement Input, Liquidity Premium | States and political subdivisions | Discounted Cash Flow Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] | Minimum |  |
Quantitative information about Level 3 fair value measurements |  |
Servicing Asset, Measurement Input |  | 0.3
Liquidity Premium (as a percent) | 0.30% |
Fair Value, Measurements, Recurring [Member] | Measurement Input, Liquidity Premium | States and political subdivisions | Discounted Cash Flow Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] | Maximum |  |
Quantitative information about Level 3 fair value measurements |  |
Servicing Asset, Measurement Input |  | 0.5
Liquidity Premium (as a percent) | 2.40% |
Fair Value, Measurements, Recurring [Member] | Measurement Input, Liquidity Premium | States and political subdivisions | Discounted Cash Flow Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] | Weighted Average [Member] |  |
Quantitative information about Level 3 fair value measurements |  |
Servicing Asset, Measurement Input |  | 0.5
Fair Value, Measurements, Recurring [Member] | Measurement Input, Liquidity Premium | States and political subdivisions | Management Estimate of Credit Risk Exposure Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member] | Weighted Average [Member] |  |
Quantitative information about Level 3 fair value measurements |  |
Debt Securities, Measurement Input | 0.6 |

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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6469459&loc=d3e122492-111745 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=128311188&loc=d3e122625-111746 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745 + Details
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