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Balance Sheet Offsetting - Financial Instruments Eligible for Offset Consolidated Balance Sheet (Detail) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Gross Amount Recognized, Derivative, Financial Assets | $ 101,329 | $ 119,723
Gross Amount Offset, Derivatives, Financial Assets | 0 | 0
Net Amount Recognized, Derivative, Financial Assets | 101,329 | 119,723
Gross Amount Recognized, Resell Agreements, Financial Assets | 9,650 | 84,650
Gross Amount Offset, Resell Agreements, Financial Assets | 0 | 0
Net Amount Recognized, Resell Agreements, Financial Assets | 9,650 | 84,650
Gross Amount Recognized, Financial Assets | 110,979 | 204,373
Gross Amount Offset, Financial Assets | 0 | 0
Net Amount Recognized, Financial Assets | 110,979 | 204,373
Gross Amount Recognized, Derivative, Financial Liabilities | 26,019 | 41,311
Gross Amount Offset, Derivative, Financial Liabilities | 0 | 0
Net Amount Recognized, Derivative, Financial Liabilities | 26,019 | 41,311
Gross Amount Recognized, Repurchase Agreements, Financial Liabilities | 4,342,941 | 4,127,188
Gross Amount Offset, Repurchase Agreements, Financial Liabilities | 0 | 0
Net Amount Recognized, Repurchase Agreements, Financial Liabilities | 4,342,941 | 4,127,188
Gross Amount Recognized, Financial Liabilities | 4,368,960 | 4,168,499
Gross Amount Offset, Financial Liabilities | 0 | 0
Net Amount Recognized, Financial Liabilities | 4,368,960 | 4,168,499
Loan Lease Interest Rate Swaps And Caps [Member] |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Gross Amount Recognized, Derivative, Financial Assets | 70,054 | 70,233
Gross Amount Offset, Derivatives, Financial Assets | 0 | 0
Net Amount Recognized, Derivative, Financial Assets | 70,054 | 70,233
Commodity Swaps And Options [Member] |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Gross Amount Recognized, Derivative, Financial Assets | 31,275 | 49,489
Gross Amount Offset, Derivatives, Financial Assets | 0 | 0
Net Amount Recognized, Derivative, Financial Assets | 31,275 | 49,489
Gross Amount Recognized, Derivative, Financial Liabilities | 16,951 | 20,999
Gross Amount Offset, Derivative, Financial Liabilities | 0 | 0
Net Amount Recognized, Derivative, Financial Liabilities | 16,951 | 20,999
Foreign Currency Forward Contracts [Member] |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Gross Amount Recognized, Derivative, Financial Assets |  | 1
Gross Amount Offset, Derivatives, Financial Assets |  | 0
Net Amount Recognized, Derivative, Financial Assets |  | 1
Gross Amount Recognized, Derivative, Financial Liabilities |  | 19
Gross Amount Offset, Derivative, Financial Liabilities |  | 0
Net Amount Recognized, Derivative, Financial Liabilities |  | 19
Loan Lease Interest Rate Swaps [Member] |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Gross Amount Recognized, Derivative, Financial Liabilities | 9,068 | 20,293
Gross Amount Offset, Derivative, Financial Liabilities | 0 | 0
Net Amount Recognized, Derivative, Financial Liabilities | $ 9,068 | $ 20,293

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