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Goodwill and Intangible Assets - Schedule of Intangible Assets and Goodwill (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Finite Lived Intangible Assets [Line Items]    
Goodwill, Gross Carrying Value $ 207,151 $ 207,151
Goodwill, Accumulated Amortization 3,760 3,760
Goodwill and Intangible Assets, Gross Carrying Value 323,768 320,968
Goodwill and Intangible Assets, Accumulated Amortization 73,374 64,691
Intangibles from Branch Acquisition    
Finite Lived Intangible Assets [Line Items]    
Intangible Assets, Gross Carrying Value 3,015 3,015
Intangible Assets, Accumulated Amortization 3,015 3,015
Core Deposit Intangibles    
Finite Lived Intangible Assets [Line Items]    
Intangible Assets, Gross Carrying Value 79,945 79,945
Intangible Assets, Accumulated Amortization 51,313 44,736
Other Intangibles    
Finite Lived Intangible Assets [Line Items]    
Intangible Assets, Gross Carrying Value 33,657 30,857
Intangible Assets, Accumulated Amortization $ 15,286 $ 13,180