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, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Activity Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	$ 7,225,696	$ 5,536,628	$ 6,344,297	$ 5,399,526
Ending balance	7,045,757	6,399,714	7,045,757	6,399,714
Accumulated Unrealized Gains (Losses) on Derivative Instruments
Activity Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	53,920	(36,304)	(11,227)	32,049
Ending balance	57,088	56,084	57,088	56,084
Interest rate contract | Accumulated Unrealized Gains (Losses) on Derivative Instruments
Activity Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	72,529	(49,396)	(15,508)	43,538
Amount reclassified from accumulated other comprehensive income or loss to interest income or expense on deposits, loans, and other borrowings	5,300	20,378	15,936	60,720
Amount of (loss) gain recognized in other comprehensive income or loss	(1,020)	104,470	76,381	(28,806)
Ending balance	$ 76,809	$ 75,452	$ 76,809	$ 75,452