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Goodwill and Intangible Assets - Narrative (Details) $ in Thousands |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Apr. 03, 2023 USD ($) | Apr. 30, 2023 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Goodwill and Intangible Assets |  |  |  |  |
Goodwill acquired |  |  | $ 306,043 | $ 279,132 |
Goodwill Impairment |  |  | $ 0 | 0 |
Amortization period for acquired intangible assets |  |  | 9 years 9 months 18 days |  |
Mortgage loans serviced |  |  | $ 500,000 | 1,000,000 |
Mortgage service fees |  |  | 2,400 | 2,800 |
Loans |  |  | 7,600,811 | 7,130,916 |
Amortization expense |  |  | $ 7,386 | 2,338 | $ 1,183
Cambr Solutions, LLC ("Cambr") |  |  |  |  |
Goodwill and Intangible Assets |  |  |  |  |
Goodwill acquired | $ 26,911 | $ 26,900 |  |  |
Acquired through acquisition |  | $ 18,000 |  |  |
Core deposit intangible |  |  |  |  |
Goodwill and Intangible Assets |  |  |  |  |
Amortization period |  |  | 10 years |  |
Core deposit intangible | Cambr Solutions, LLC ("Cambr") |  |  |  |  |
Goodwill and Intangible Assets |  |  |  |  |
Acquired through acquisition | 1,700,000 |  |  |  |
Other intangible assets |  |  |  |  |
Goodwill and Intangible Assets |  |  |  |  |
Amortization expense |  |  | $ 7,400 | 2,300 | $ 1,200
Other intangible assets | Cambr Solutions, LLC ("Cambr") |  |  |  |  |
Goodwill and Intangible Assets |  |  |  |  |
Acquired through acquisition | $ 18,000 |  |  |  |
Amortization period for acquired intangible assets | 9 years 4 months 24 days |  |  |  |
MSRs |  |  |  |  |
Goodwill and Intangible Assets |  |  |  |  |
Amortization expense |  |  | $ 775 | $ 922 |
MSRs | Discount Rate | Minimum |  |  |  |  |
Goodwill and Intangible Assets |  |  |  |  |
Servicing assets measurement input (as a percent) |  |  | 0.100 |  |
MSRs | Discount Rate | Maximum |  |  |  |  |
Goodwill and Intangible Assets |  |  |  |  |
Servicing assets measurement input (as a percent) |  |  | 0.105 | 0.100 |
MSRs | Constant Prepayment Speed | Minimum |  |  |  |  |
Goodwill and Intangible Assets |  |  |  |  |
Servicing assets measurement input (as a percent) |  |  | 0.065 | 0.076 |
MSRs | Constant Prepayment Speed | Maximum |  |  |  |  |
Goodwill and Intangible Assets |  |  |  |  |
Servicing assets measurement input (as a percent) |  |  | 0.158 | 0.082 |
Small Business Administration ("SBA") servicing rights |  |  |  |  |
Goodwill and Intangible Assets |  |  |  |  |
Acquired through acquisition |  |  |  | $ 3,126 |
Fee income |  |  | $ 900 | 200 |
Loans |  |  | 108,800 | 125,700 |
Amortization expense |  |  | $ 156 | $ 99 |
Small Business Administration ("SBA") servicing rights | Discount Rate |  |  |  |  |
Goodwill and Intangible Assets |  |  |  |  |
Servicing assets measurement input (as a percent) |  |  | 0.1226 | 0.1524 |
Small Business Administration ("SBA") servicing rights | Constant Prepayment Speed |  |  |  |  |
Goodwill and Intangible Assets |  |  |  |  |
Servicing assets measurement input (as a percent) |  |  | 0.1466 | 0.1236 |
Customer relationship intangible |  |  |  |  |
Goodwill and Intangible Assets |  |  |  |  |
Amortization period |  |  | 10 years |  |
Internally developed technology |  |  |  |  |
Goodwill and Intangible Assets |  |  |  |  |
Amortization period |  |  | 5 years |  |

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