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Goodwill and Other Intangible Assets - Summary of Finite-Lived Intangible Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Finite-Lived Intangible Assets, Net [Abstract]    
Gross Carrying Amount $ 90,162 $ 90,162
Accumulated Amortization (73,765) (71,367)
Net Carrying Amount 16,397 18,795
Core deposit intangibles    
Finite-Lived Intangible Assets, Net [Abstract]    
Gross Carrying Amount 82,492 82,492
Accumulated Amortization (70,185) (68,383)
Net Carrying Amount 12,307 14,109
Customer relationship intangible    
Finite-Lived Intangible Assets, Net [Abstract]    
Gross Carrying Amount 7,670 7,670
Accumulated Amortization (3,580) (2,984)
Net Carrying Amount $ 4,090 $ 4,686