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, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Rollforward of AOCI from Cash Flow Hedging Derivatives [Roll Forward]
Beginning balance	$ 5,536,628	$ 5,041,912	$ 5,399,526	$ 4,796,838
Ending balance	6,399,714	5,015,613	6,399,714	5,015,613
Accumulated Unrealized Gains (Losses) on Derivative Instruments
Rollforward of AOCI from Cash Flow Hedging Derivatives [Roll Forward]
Beginning balance	(36,304)	(45,259)	32,049	7,381
Ending balance	56,084	(76,859)	56,084	(76,859)
Interest rate contract
Rollforward of AOCI from Cash Flow Hedging Derivatives [Roll Forward]
Amount reclassified from accumulated other comprehensive income or loss to interest income or expense on deposits, loans, and other borrowings	20,378	18,374	60,720	36,038
Amount of gain (loss) recognized in other comprehensive income or loss	104,470	(61,456)	(28,806)	(150,885)
Interest rate contract | Accumulated Unrealized Gains (Losses) on Derivative Instruments
Rollforward of AOCI from Cash Flow Hedging Derivatives [Roll Forward]
Beginning balance	(49,396)	(61,739)	43,538	10,026
Ending balance	$ 75,452	$ (104,821)	$ 75,452	$ (104,821)