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Business Combinations - Purchased Credit Deteriorated ("PCD") Loans (Details) - USD ($) $ in Thousands |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Aug. 01, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Business Acquisition [Line Items] |  |  |  |  |  |
PCD allowance for credit loss at merger |  |  |  |  | $ 5,527 |
Non-credit related (premium)/discount | $ 222 | $ 2,200 |  | $ 2,023 | 2,840 | $ 0
Fair value of PCD loans | $ 34,800 | $ 48,100 |  |  |  |
BTH |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Unpaid principal balance |  |  | $ 52,212 |  |  |
PCD allowance for credit loss at merger |  |  | 5,527 |  |  |
Non-credit related (premium)/discount |  |  | (442) |  |  |
Fair value of PCD loans |  |  | 47,127 |  |  |
Real estate | Commercial real estate |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
PCD allowance for credit loss at merger |  |  |  |  | 1 |
Real estate | Construction/land/land development |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
PCD allowance for credit loss at merger |  |  |  |  | 0 |
Real estate | BTH | Commercial real estate |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Unpaid principal balance |  |  | 10,731 |  |  |
PCD allowance for credit loss at merger |  |  | 1 |  |  |
Non-credit related (premium)/discount |  |  | (277) |  |  |
Fair value of PCD loans |  |  | 11,007 |  |  |
Real estate | BTH | Construction/land/land development |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Unpaid principal balance |  |  | 1,315 |  |  |
PCD allowance for credit loss at merger |  |  | 0 |  |  |
Non-credit related (premium)/discount |  |  | (92) |  |  |
Fair value of PCD loans |  |  | 1,407 |  |  |
Real estate | BTH | Residential Real Estate |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Unpaid principal balance |  |  | 2,880 |  |  |
PCD allowance for credit loss at merger |  |  | 0 |  |  |
Non-credit related (premium)/discount |  |  | 3 |  |  |
Fair value of PCD loans |  |  | 2,877 |  |  |
Commercial and Industrial |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
PCD allowance for credit loss at merger |  |  |  |  | 5,525 |
Commercial and Industrial | BTH | Commercial and Industrial |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Unpaid principal balance |  |  | 37,117 |  |  |
PCD allowance for credit loss at merger |  |  | 5,525 |  |  |
Non-credit related (premium)/discount |  |  | (77) |  |  |
Fair value of PCD loans |  |  | 31,669 |  |  |
Mortgage warehouse lines of credit |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
PCD allowance for credit loss at merger |  |  |  |  | 0 |
Mortgage warehouse lines of credit | BTH | Mortgage warehouse lines of credit |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Unpaid principal balance |  |  | 0 |  |  |
PCD allowance for credit loss at merger |  |  | 0 |  |  |
Non-credit related (premium)/discount |  |  | 0 |  |  |
Fair value of PCD loans |  |  | 0 |  |  |
Consumer |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
PCD allowance for credit loss at merger |  |  |  |  | $ 1 |
Consumer | BTH | Consumer |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Unpaid principal balance |  |  | 169 |  |  |
PCD allowance for credit loss at merger |  |  | 1 |  |  |
Non-credit related (premium)/discount |  |  | 1 |  |  |
Fair value of PCD loans |  |  | $ 167 |  |  |

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