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Derivative Financial Instruments - Schedule of Notional Amounts and Fair Values (Detail) - USD ($) | Dec. 31, 2024 | Dec. 31, 2023
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Notional Amounts |  |
Asset Derivatives, Notional Amounts | $ 9,781,447,000 | $ 11,377,707,000
Liability Derivatives, Notional Amounts | 13,812,216,000 | 11,703,252,000
Asset Derivatives |  |
Asset Derivatives, Fair Value | 283,185,000 | 289,778,000
Gross derivative instruments, before netting | 302,142,000 | 330,636,000
Gross Amounts Offset in the Statement of Financial Position | 31,881,000 | 55,949,000
Cash collateral pledged | 251,212,000 | 232,190,000
Total derivative instruments, after netting | 19,049,000 | 42,497,000
Liability Derivatives |  |
Gross Amounts of Recognized Assets/Liabilities | 32,218,000 | 55,949,000
Gross derivative instruments, before netting | 311,561,000 | 335,810,000
Gross Amounts Offset in the Statement of Financial Position | 31,881,000 | 55,949,000
Cash collateral pledged | 80,000 | 0
Derivative Liability | $ 279,600,000 | $ 279,861,000
Derivative Asset Statement Of Financial Position Extensible Enumeration Not Disclosed Flag | true | true
CME |  |
Asset Derivatives |  |
Total derivative instruments, after netting | $ 0 | $ 0
Cross Currency Interest Rate Contract |  |
Notional Amounts |  |
Asset Derivatives, Notional Amounts | 294,500,000 | 299,200,000
Liability Derivatives, Notional Amounts | 796,600,000 | 682,900,000
Designated as Hedging Instrument | Interest rate derivatives |  |
Notional Amounts |  |
Asset Derivatives, Notional Amounts | 750,000,000 | 2,750,000,000
Liability Derivatives, Notional Amounts | 4,250,000,000 | 2,700,000,000
Asset Derivatives |  |
Asset Derivatives, Fair Value | 719,000 | 11,140,000
Liability Derivatives |  |
Gross Amounts of Recognized Assets/Liabilities | 13,169,000 | 13,679,000
Not Designated as Hedging Instrument |  |
Notional Amounts |  |
Asset Derivatives, Notional Amounts | 9,031,447,000 | 8,627,707,000
Liability Derivatives, Notional Amounts | 9,562,216,000 | 9,003,252,000
Asset Derivatives |  |
Total not designated as hedging instruments | 301,423,000 | 319,496,000
Liability Derivatives |  |
Total not designated as hedging instruments | 298,392,000 | 322,131,000
Not Designated as Hedging Instrument | Interest rate derivatives |  |
Notional Amounts |  |
Asset Derivatives, Notional Amounts | 8,693,493,000 | 8,284,356,000
Liability Derivatives, Notional Amounts | 8,728,767,000 | 8,272,197,000
Asset Derivatives |  |
Asset Derivatives, Fair Value | 300,120,000 | 319,122,000
Liability Derivatives |  |
Gross Amounts of Recognized Assets/Liabilities | 298,296,000 | 321,064,000
Not Designated as Hedging Instrument | Mortgage banking derivatives |  |
Notional Amounts |  |
Asset Derivatives, Notional Amounts | 584,000 | 2,798,000
Liability Derivatives, Notional Amounts | 0 | 0
Asset Derivatives |  |
Asset Derivatives, Fair Value | 3,000 | 37,000
Liability Derivatives |  |
Gross Amounts of Recognized Assets/Liabilities | 0 | 0
Not Designated as Hedging Instrument | Other |  |
Notional Amounts |  |
Asset Derivatives, Notional Amounts | 337,370,000 | 340,553,000
Liability Derivatives, Notional Amounts | 833,449,000 | 731,055,000
Asset Derivatives |  |
Asset Derivatives, Fair Value | 1,300,000 | 337,000
Liability Derivatives |  |
Gross Amounts of Recognized Assets/Liabilities | 96,000 | 1,067,000
Not Designated as Hedging Instrument | CME Swaps Markets |  |
Notional Amounts |  |
Asset Derivatives, Notional Amounts | 71,100,000 | 113,800,000
Liability Derivatives, Notional Amounts | 0 | 0
Interest Rate Lock Commitments |  |
Liability Derivatives |  |
Approved floating rate commitments | $ 400,000 | $ 1,000,000

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