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Fair Value Measurements - Additional Information (Details) | 12 Months Ended | 24 Months Ended
--- | --- | ---
Dec. 31, 2024 USD ($) loan | Dec. 31, 2023 USD ($) loan | Dec. 31, 2022 USD ($) | Dec. 31, 2024 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Residential mortgage loans held for sale period | 45 days |  |  |
Interest Rate Lock Commitments, Average Percentage Of Estimated Pull Through Rate To Calculate Fair Value | 85 |  |  |
Loans | $ 7,751,143,000 | $ 7,698,758,000 |  | $ 7,751,143,000
Impairment on other real estate owned |  | 249,000 |  |
Impairment on fixed assets related to banking center consolidations | 1,000,000 | 200,000 | $ 0 |
Net Book Balance Of Fixed Assets Sold |  | 13,400,000 |  |
Banking centers classified as held-for-sale | 3 | 5 |  | 3
Fair value, non-recurring basis |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Nonrecurring Loans Reserves | $ 6,400,000 | $ 8,600,000 |  | 6,400,000
Number of Loans measured | loan | 13 | 10 |  |
Loans | $ 27,000,000 | $ 32,700,000 |  | 27,000,000
Mortgage servicing rights |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Impairment (recoveries) on mortgage servicing rights | 0 |  |  | $ 0
Other real estate owned |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Impairment on other real estate owned | 0 | 200,000 |  |
SBA servicing asset |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Impairment (recoveries) on mortgage servicing rights | 0 | $ 75,000 |  |
Premise and equipment |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Impairment on fixed assets related to banking center consolidations | $ 1,000,000 |  |  |
Discount rate | Impaired loans | Minimum |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Measurement input (as a percent) | 0.04 |  |  | 0.04
Discount rate | Impaired loans | Maximum |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Measurement input (as a percent) | 0.32 |  |  | 0.32
Discount rate | Impaired loans | Weighted average |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Measurement input (as a percent) | 0.118 |  |  | 0.118
Discount rate | Mortgage servicing rights | Minimum |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Servicing assets measurement input (as a percent) | 0.10 | 0.10 |  | 0.10
Discount rate | Mortgage servicing rights | Maximum |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Servicing assets measurement input (as a percent) | 0.105 | 0.105 |  | 0.105
Discount rate | Mortgage servicing rights | Weighted average |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Servicing assets measurement input (as a percent) | 0.10 | 0.10 |  | 0.10
Discount rate | Other real estate owned | Minimum |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Measurement input (as a percent) | 0.06 |  |  | 0.06
Discount rate | Other real estate owned | Maximum |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Measurement input (as a percent) | 0.10 |  |  | 0.10
Discount rate | Other real estate owned | Weighted average |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Measurement input (as a percent) | 0.086 |  |  | 0.086
Discount rate | SBA servicing asset |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Servicing assets measurement input (as a percent) | 0.104 | 12.3 |  | 0.104
Constant prepayment speed | Mortgage servicing rights | Minimum |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Servicing assets measurement input (as a percent) | 0.06 | 0.065 |  | 0.06
Constant prepayment speed | Mortgage servicing rights | Maximum |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Servicing assets measurement input (as a percent) | 0.103 | 0.158 |  | 0.103
Constant prepayment speed | Mortgage servicing rights | Weighted average |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Servicing assets measurement input (as a percent) | 0.06 | 0.07 |  | 0.06
Constant prepayment speed | SBA servicing asset |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Servicing assets measurement input (as a percent) | 0.157 | 14.7 |  | 0.157

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- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 + Details
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