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, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Losses on investment securities, net	$ 216	$ 11	$ 776	$ 262
Income tax expense	60,660	57,080	180,692	140,517
Interest on deposits	262,783	45,916	621,080	79,755
Net income	164,198	142,961	499,146	364,865
Reclassification Out of Accumulated Other Comprehensive Income | Accumulated unrealized gains on securities
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Losses on investment securities, net	158	12	720	262
Income before taxes	158	12	720	262
Income tax expense	(40)	(3)	(192)	(70)
Net income	118	9	528	192
Reclassification Out of Accumulated Other Comprehensive Income | Accumulated unrealized gains on derivative instruments
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Income before taxes	(18,374)	5,451	(36,388)	(914)
Income tax expense	4,896	(1,453)	9,697	244
Interest on Loans	22,768	0	50,501	0
Interest on deposits	(4,657)	(5,563)	(14,902)	(87)
Interest on other borrowings	263	112	789	1,001
Net income	$ (13,478)	$ 3,998	$ (26,691)	$ (670)