v3.26.3
Derivative Financial Instruments - Schedule of Amounts in Accumulated Other Comprehensive Income Related to Interest Rate Swaps Designated as Cash Flow Hedges (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Activity Accumulated Other Comprehensive Income [Roll Forward]        
Beginning balance $ 7,525,116 $ 7,225,696 $ 7,258,715 $ 6,344,297
Ending balance 7,289,546 7,045,757 7,289,546 7,045,757
Accumulated Unrealized (Losses) Gains on Derivative Instruments        
Activity Accumulated Other Comprehensive Income [Roll Forward]        
Beginning balance (3,065) 53,920 49,912 (11,227)
Ending balance (107,670) 57,088 (107,670) 57,088
Interest rate contract | Accumulated Unrealized (Losses) Gains on Derivative Instruments        
Activity Accumulated Other Comprehensive Income [Roll Forward]        
Beginning balance (4,479) 72,529 67,112 (15,508)
Amount reclassified from accumulated other comprehensive income or loss to interest income or expense on deposits, loans, and other borrowings (3,812) 5,300 (12,394) 15,936
Amount of (loss) gain recognized in other comprehensive income or loss (137,545) (1,020) (200,554) 76,381
Ending balance $ (145,836) $ 76,809 $ (145,836) $ 76,809