v3.26.1
Acquisitions - Consideration Paid (Details) - USD ($)
$ in Thousands
6 Months Ended
Aug. 01, 2025
Jun. 30, 2026
Jun. 30, 2025
Customer Relationships      
Business Combination [Line Items]      
Weighted-average life remaining (in years)   11 years 10 months 24 days 12 years 3 months 18 days
Commonwealth Financial Network. Acquisition      
Business Combination [Line Items]      
Cash $ 1,927,371    
Cash for liabilities assumed 405,823    
Cash for post-combination expenses 419,049    
Total cash funded at close 2,752,243    
Liabilities incurred 90,414    
Total consideration 2,017,785    
Commonwealth Financial Network. Acquisition | Compensation And Benefits      
Business Combination [Line Items]      
Cash for post-combination expenses 228,400    
Commonwealth Financial Network. Acquisition | Facility Closing      
Business Combination [Line Items]      
Cash for post-combination expenses $ 190,100    
Other Acquisitions | Customer Relationships      
Business Combination [Line Items]      
Weighted-average life remaining (in years)   14 years