Derivative Financial Instruments - Schedule of Notional Amounts and Fair Values (Detail) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Notional Amounts
Asset Derivatives, Notional Amounts	$ 11,899,916	$ 9,781,447
Liability Derivatives, Notional Amounts	11,879,122	13,812,216
Asset Derivatives
Asset Derivatives, Fair Value	212,510	283,185
Gross derivative instruments, before netting	262,349	302,142
Gross Amounts Offset in the Statement of Financial Position	44,248	31,881
Cash collateral pledged	168,060	251,212
Total derivative instruments, after netting	50,041	19,049
Liability Derivatives
Gross Amounts of Recognized Assets/Liabilities	54,077	32,218
Gross derivative instruments, before netting	260,590	311,561
Gross Amounts Offset in the Statement of Financial Position	44,248	31,881
Cash collateral pledged	8,940	80
Derivative Liability	$ 207,402	$ 279,600
Derivative Asset Statement Of Financial Position Extensible Enumeration Not Disclosed Flag	true	true
Cross Currency Interest Rate Contract
Notional Amounts
Asset Derivatives, Notional Amounts	$ 294,000	$ 294,500
Liability Derivatives, Notional Amounts	750,300	796,600
Designated as Hedging Instrument | Interest rate derivatives
Notional Amounts
Asset Derivatives, Notional Amounts	2,750,000	750,000
Liability Derivatives, Notional Amounts	2,250,000	4,250,000
Asset Derivatives
Asset Derivatives, Fair Value	4,704	719
Liability Derivatives
Gross Amounts of Recognized Assets/Liabilities	3,263	13,169
Not Designated as Hedging Instrument
Notional Amounts
Asset Derivatives, Notional Amounts	9,149,916	9,031,447
Liability Derivatives, Notional Amounts	9,629,122	9,562,216
Asset Derivatives
Total not designated as hedging instruments	257,645	301,423
Liability Derivatives
Total not designated as hedging instruments	257,327	298,392
Not Designated as Hedging Instrument | Interest rate derivatives
Notional Amounts
Asset Derivatives, Notional Amounts	8,804,803	8,693,493
Liability Derivatives, Notional Amounts	8,846,028	8,728,767
Asset Derivatives
Asset Derivatives, Fair Value	257,423	300,120
Liability Derivatives
Gross Amounts of Recognized Assets/Liabilities	256,668	298,296
Not Designated as Hedging Instrument | Mortgage banking derivatives
Notional Amounts
Asset Derivatives, Notional Amounts	1,541	584
Liability Derivatives, Notional Amounts	0	0
Asset Derivatives
Asset Derivatives, Fair Value	17	3
Liability Derivatives
Gross Amounts of Recognized Assets/Liabilities	0	0
Not Designated as Hedging Instrument | Other
Notional Amounts
Asset Derivatives, Notional Amounts	343,572	337,370
Liability Derivatives, Notional Amounts	783,094	833,449
Asset Derivatives
Asset Derivatives, Fair Value	205	1,300
Liability Derivatives
Gross Amounts of Recognized Assets/Liabilities	659	96
Not Designated as Hedging Instrument | CME Swaps Markets
Notional Amounts
Asset Derivatives, Notional Amounts	69,600	71,100
Liability Derivatives, Notional Amounts	$ 1,200	$ 0