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Goodwill and Other Intangible Assets - Schedule of Changes in Goodwill and Other Intangibles (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Finite-lived Intangible Assets [Roll Forward] |  |  |  |  |
Other intangible assets, beginning of period |  |  | $ 97,242 |  |
Amortization | $ (3,098) | $ (3,852) | (6,625) | $ (7,702) |
Other intangible assets, end of period | 90,617 |  | 90,617 |  | $ 97,242
Core deposit premiums: |  |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |  |
Other intangible assets, beginning of period |  |  | 87,575 | 101,344 | 101,344
Amortization |  |  | (5,808) |  | (13,769)
Other intangible assets, end of period | 81,767 |  | 81,767 |  | 87,575
Books of business and other intangibles: |  |  |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |  |
Other intangible assets, beginning of period |  |  | 9,667 | $ 11,301 | 11,301
Amortization |  |  | (817) |  | (1,634)
Other intangible assets, end of period | $ 8,850 |  | $ 8,850 |  | $ 9,667

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