Summary of Significant Accounting Policies - Reclassification and Correction Derivatives (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Interest income:
Effect to interest income on federal funds sold and interest-earning deposits with banks	$ 10,831	$ 18,190	$ 31,610	$ 30,359
Net effect to interest income	500,509	376,332	1,428,971	973,137
Effect to interest expense on deposits	133,944	7,534	290,673	17,040
Net effect to interest expense	145,138	13,998	330,594	33,470
Net effect to net interest income	355,371	362,334	1,098,377	939,667
Noninterest income:
Net effect to noninterest income	72,848	73,053	221,417	245,855
Net effect to net income	124,144	133,043	387,517	352,547
Correspondent banking and capital markets income
Noninterest income:
Noninterest income	$ 12,916	16,427	$ 45,697	70,445
Adjustments
Interest income:
Effect to interest income on federal funds sold and interest-earning deposits with banks		1,522		2,203
Net effect to interest income		1,522		2,203
Effect to interest expense on deposits		(2,603)		(3,502)
Net effect to interest expense		(2,603)		(3,502)
Net effect to net interest income		4,125		5,705
Noninterest income:
Net effect to noninterest income		(4,125)		(5,705)
Adjustments | Correspondent banking and capital markets income
Noninterest income:
Noninterest income		$ (4,125)		$ (5,705)