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Fair Value Measurements - Additional Information (Details) | 12 Months Ended
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Dec. 31, 2023 USD ($) loan | Dec. 31, 2022 USD ($) loan | Dec. 31, 2021 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 | 81.1 |  |
Impairment on mortgage servicing rights | $ 0 |  |
Loans | 7,698,758,000 | $ 7,220,469,000 |
Impairment on other real estate owned | 249,000 | 505,000 |
Impairment on fixed assets related to banking center consolidations | 200,000 | 0 | $ 1,600,000
Net Book Balance Of Fixed Assets Sold | 13,400,000 |  |
Banking centers classified as held-for-sale | 5 |  |
Fair Value, Nonrecurring [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Nonrecurring Loans Reserves | $ 8,600,000 | $ 5,300,000 |
Number of Loans measured | loan | 10 | 13 |
Loans | $ 32,700,000 | $ 14,600,000 |
Other Real Estate Owned [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Impairment on other real estate owned | 200,000 | 500,000 |
SBA Servicing Rights |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Impairment on mortgage servicing rights | $ 75,000 | $ 0 |
Measurement Input, Discount Rate [Member] | Other Real Estate Owned [Member] | Minimum [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Measurement input (as a percent) | 0.06 |  |
Measurement Input, Discount Rate [Member] | Other Real Estate Owned [Member] | Maximum [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Measurement input (as a percent) | 0.10 |  |
Measurement Input, Discount Rate [Member] | Other Real Estate Owned [Member] | Weighted Average |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Measurement input (as a percent) | 0.061 |  |
Measurement Input, Discount Rate [Member] | SBA Servicing Rights |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Servicing assets measurement input (as a percent) | 0.123 | 15.2 |
Measurement Input, Constant Prepayment Rate [Member] | SBA Servicing Rights |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Servicing assets measurement input (as a percent) | 0.147 | 12.4 |
Impaired loans [Member]. | Measurement Input, Discount Rate [Member] | Minimum [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Measurement input (as a percent) | 0.06 |  |
Impaired loans [Member]. | Measurement Input, Discount Rate [Member] | Maximum [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Measurement input (as a percent) | 0.40 |  |
Impaired loans [Member]. | Measurement Input, Discount Rate [Member] | Weighted Average |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Measurement input (as a percent) | 0.113 |  |
Mortgage Servicing Rights [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Impairment on mortgage servicing rights |  | $ (100,000) |
Mortgage Servicing Rights [Member] | Measurement Input, Discount Rate [Member] | Minimum [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Servicing assets measurement input (as a percent) | 0.100 |  |
Mortgage Servicing Rights [Member] | Measurement Input, Discount Rate [Member] | Maximum [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Servicing assets measurement input (as a percent) | 0.105 | 0.100 |
Mortgage Servicing Rights [Member] | Measurement Input, Discount Rate [Member] | Weighted Average |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Servicing assets measurement input (as a percent) | 0.100 | 0.100 |
Mortgage Servicing Rights [Member] | Measurement Input, Constant Prepayment Rate [Member] | Minimum [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Servicing assets measurement input (as a percent) | 0.065 | 0.076 |
Mortgage Servicing Rights [Member] | Measurement Input, Constant Prepayment Rate [Member] | Maximum [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Servicing assets measurement input (as a percent) | 0.158 | 0.082 |
Mortgage Servicing Rights [Member] | Measurement Input, Constant Prepayment Rate [Member] | Weighted Average |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Servicing assets measurement input (as a percent) | 0.070 | 0.077 |

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