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Goodwill and Other Intangible Assets - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Finite-Lived Intangible Assets [Line Items]        
Goodwill impairment $ 0 $ 0 $ 0 $ 0
Net impairment (net recovery) 0 0 0 0
Amortization of other intangible assets 8,692,000 9,741,000 26,672,000 30,072,000
Core Deposits and Other        
Finite-Lived Intangible Assets [Line Items]        
Impairment of core deposits and other intangibles $ 0 $ 0 $ 0 $ 0
Core Deposits        
Finite-Lived Intangible Assets [Line Items]        
Weighted average amortization period, years     10 years  
Other        
Finite-Lived Intangible Assets [Line Items]        
Weighted average amortization period, years     13 years 6 months