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Goodwill and Other Intangible Assets - Summary of Finite-lived Intangible Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Finite-Lived Intangible Assets, Net [Abstract]    
Gross  Carrying Amount $ 90,162 $ 90,162
Accumulated Amortization (71,367) (65,986)
Net Carrying Amount 18,795 24,176
Core deposit intangible    
Finite-Lived Intangible Assets, Net [Abstract]    
Gross  Carrying Amount 82,492 82,492
Accumulated Amortization (68,383) (64,339)
Net Carrying Amount 14,109 18,153
Customer relationship intangible    
Finite-Lived Intangible Assets, Net [Abstract]    
Gross  Carrying Amount 7,670 7,670
Accumulated Amortization (2,984) (1,647)
Net Carrying Amount $ 4,686 $ 6,023