v3.26.3
Accumulated Other Comprehensive Income or Loss and Earnings Per Share - Schedule of Other Comprehensive Income Reclassified from AOCI (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]        
(Losses) gains on investment securities, net $ (1,621) $ 2,972 $ 193 $ 6,818
Interest on loans 853,299 832,140 2,474,169 2,398,499
Interest on deposits 341,017 355,846 975,237 1,009,549
Income before taxes 326,333 296,041 945,237 816,184
Income tax expense (87,279) (79,787) (245,102) (215,364)
Net income 239,054 216,254 700,135 600,820
Reclassification Out of Accumulated Other Comprehensive Income | Accumulated unrealized gains (losses) gains on securities        
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]        
(Losses) gains on investment securities, net 0 269 (37) (119)
Income before taxes 0 269 (37) (119)
Income tax expense 0 (70) 9 31
Net income 0 199 (28) (88)
Reclassification Out of Accumulated Other Comprehensive Income | Accumulated unrealized gains (losses) gains on derivative instruments        
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]        
Interest on loans (487) 8,625 (2,419) 25,911
Interest on deposits (3,325) (3,325) (9,975) (9,975)
Income before taxes 3,812 (5,300) 12,394 (15,936)
Income tax expense (991) 1,378 (3,222) 4,144
Net income $ 2,821 $ (3,922) $ 9,172 $ (11,792)