Derivative Financial Instruments - Schedule of Effect of Derivative Instruments on the Consolidated Statements of Income (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Other Comprehensive Income on Derivative	$ 23,654	$ (15,574)	$ (2,540)	$ 45,547
Gain (Loss) Reclassified from AOCI into Income	(4,936)	(4,927)	(14,560)	19,893
Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Income on Derivative	(2)	814	369	1,869
Fair value hedges
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Income on Derivative	(20,350)	35,984	(5,954)	(11,232)
Gain (Loss) Recognized in Income on Related Hedged Items	20,522	(36,489)	6,208	10,632
Interest rate swaps on borrowings \| Fair value hedges
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Income on Derivative	24,495	(9,553)	10,207	(18,500)
Gain (Loss) Recognized in Income on Related Hedged Items	(24,645)	9,566	(10,246)	18,303
Interest rate swaps on investment securities \| Fair value hedges
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Income on Derivative	(44,845)	45,537	(16,161)	7,268
Gain (Loss) Recognized in Income on Related Hedged Items	45,167	(46,055)	16,454	(7,671)
Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Other Comprehensive Income on Derivative	23,654	(15,574)	(2,540)	4,302
Gain (Loss) Reclassified from AOCI into Income	(5,970)	(5,960)	(17,661)	17,481
Interest rate contracts \| Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Income on Derivative	(89)	426	319	1,125
Mortgage contracts \| Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Income on Derivative	114	391	158	760
Foreign currency contracts \| Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Income on Derivative	$ (27)	$ (3)	$ (108)	$ (16)

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period.

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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

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Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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