v3.24.3
Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance $ 3,175,601 $ 3,081,927 $ 3,199,142 $ 3,055,351
Change in unrealized gain/(loss) 109,849 (102,330) 53,567 (158,619)
Amounts reclassified into net income/(loss) 199,599 19,285 239,132 48,531
Other comprehensive income/(loss) 309,448 (83,045) 292,699 (110,088)
Income tax expense/(benefit) 69,873 (17,441) 58,852 (23,119)
Other comprehensive income/(loss), net of tax 239,575 (65,604) 233,847 (86,969)
Ending balance 3,354,044 3,077,700 3,354,044 3,077,700
Cash Flow Hedges        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance (45,215) (81,785) (45,749) (66,394)
Change in unrealized gain/(loss) 18,849 (20,572) (17,762) (66,101)
Amounts reclassified into net income/(loss) 18,251 17,378 54,371 43,426
Other comprehensive income/(loss) 37,100 (3,194) 36,609 (22,675)
Income tax expense/(benefit) 8,377 (671) 7,352 (4,761)
Other comprehensive income/(loss), net of tax 28,723 (2,523) 29,257 (17,914)
Ending balance (16,492) (84,308) (16,492) (84,308)
Available-for-Sale Securities        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance (283,559) (313,196) (273,806) (304,309)
Change in unrealized gain/(loss) 91,000 (81,758) 71,329 (92,518)
Amounts reclassified into net income/(loss) 179,581 0 179,581 (489)
Other comprehensive income/(loss) 270,581 (81,758) 250,910 (93,007)
Income tax expense/(benefit) 61,097 (17,170) 51,179 (19,532)
Other comprehensive income/(loss), net of tax 209,484 (64,588) 199,731 (73,475)
Ending balance (74,075) (377,784) (74,075) (377,784)
Held-to-Maturity Securities        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance (38,958) (45,327) (42,449) (48,240)
Change in unrealized gain/(loss) 0 0 0 0
Amounts reclassified into net income/(loss) 1,767 1,907 5,180 5,594
Other comprehensive income/(loss) 1,767 1,907 5,180 5,594
Income tax expense/(benefit) 399 400 321 1,174
Other comprehensive income/(loss), net of tax 1,368 1,507 4,859 4,420
Ending balance (37,590) (43,820) (37,590) (43,820)
Total        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance (367,732) (440,308) (362,004) (418,943)
Ending balance $ (128,157) $ (505,912) $ (128,157) $ (505,912)