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Business Combinations - Fair Values of Assets Acquired and Liabilities Assumed from Acquisition of BTH (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022 | Aug. 01, 2022 | Dec. 31, 2021
--- | --- | --- | --- | ---
Liabilities Assumed: |  |  |  |
Goodwill | $ 128,679 | $ 128,679 |  | $ 34,153
BTH |  |  |  |
Assets Acquired: |  |  |  |
Cash and cash equivalents | 69,953 |  |  |
Investment securities | 456,808 |  |  |
Loans acquired | 1,239,532 |  |  |
Allowance for credit losses on loans | (5,527) |  |  |
Loans receivable, net | 1,234,005 |  |  |
Premises and equipment | 17,825 |  |  |
Non-marketable equity securities held in other financial institutions | 5,873 |  |  |
Core deposit intangible | 38,356 |  |  |
Other assets | 23,778 |  |  |
Total assets acquired | 1,846,598 |  |  |
Liabilities Assumed: |  |  |  |
Noninterest-bearing deposits | 398,089 |  |  |
Interest-bearing deposits | 865,864 |  |  |
Time deposits | 302,506 |  |  |
Total deposits | 1,566,459 |  |  |
Securities sold under agreements to repurchase | 10,133 |  |  |
Subordinated indebtedness, net | 44,074 |  |  |
Accrued expenses and other liabilities | 12,674 |  |  |
Total liabilities assumed | 1,633,340 |  |  |
Net assets acquired | 213,258 |  |  |
Purchase price | 307,784 |  |  |
Goodwill | $ 94,526 |  | $ 94,500 |

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