v3.26.1
Goodwill and Other Intangible Assets - Narrative (Details) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Intangible Asset, Finite-Lived [Line Items]    
Goodwill $ 1,320,799,000 $ 1,320,799,000
Goodwill impairment $ 0 $ 0
Minimum    
Intangible Asset, Finite-Lived [Line Items]    
Useful life (in years) 8 years  
Minimum | Core Deposit Premium    
Intangible Asset, Finite-Lived [Line Items]    
Useful life (in years) 10 years  
Maximum    
Intangible Asset, Finite-Lived [Line Items]    
Useful life (in years) 15 years  
Maximum | Core Deposit Premium    
Intangible Asset, Finite-Lived [Line Items]    
Useful life (in years) 15 years