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Balance Sheet Offsetting - Financial Instruments Eligible for Offset Consolidated Balance Sheet (Detail) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
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Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Gross Amount Recognized, Derivatives, Financial Assets | $ 61,994 | $ 23,339
Gross Amount Offset, Derivatives, Financial assets | 0 | 0
Net Amount Recognized, Derivatives, Financial assets | 61,994 | 23,339
Gross Amount Recognized, Resell agreements, Financial assets | 9,650 | 7,903
Gross Amount Offset, Resell agreements, Financial assets | 0 | 0
Net Amount Recognized, Resell agreements, Financial assets | 9,650 | 7,903
Gross Amount Recognized, Financial assets | 71,644 | 31,242
Gross Amount Offset, Financial assets | 0 | 0
Net Amount Recognized, Financial assets | 71,644 | 31,242
Gross Amount Recognized, Derivatives, Financial Liabilities | 222,814 | 114,019
Gross Amount Offset, Derivatives, Financial liabilities | 0 | 0
Net Amount Recognized, Derivatives, Financial liabilities | 222,814 | 114,019
Gross Amount Recognized, Repurchase agreements, Financial liabilities | 1,664,685 | 2,740,799
Gross Amount Offset, Repurchase agreements, Financial liabilities | 0 | 0
Net Amount Recognized, Repurchase agreements, Financial liabilities | 1,664,685 | 2,740,799
Gross Amount Recognized, Financial liabilities | 1,887,499 | 2,854,818
Gross Amount Offset, Financial liabilities | 0 | 0
Net Amount Recognized, Financial Liabilities | 1,887,499 | 2,854,818
Loan/lease interest rate swaps and caps [Member] |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Gross Amount Recognized, Derivatives, Financial Assets | 38,135 | 4,446
Gross Amount Offset, Derivatives, Financial assets | 0 | 0
Net Amount Recognized, Derivatives, Financial assets | 38,135 | 4,446
Gross Amount Recognized, Derivatives, Financial Liabilities | 2,489 | 19,176
Gross Amount Offset, Derivatives, Financial liabilities | 0 | 0
Net Amount Recognized, Derivatives, Financial liabilities | 2,489 | 19,176
Commodity swaps and options [Member] |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Gross Amount Recognized, Derivatives, Financial Assets | 23,834 | 18,864
Gross Amount Offset, Derivatives, Financial assets | 0 | 0
Net Amount Recognized, Derivatives, Financial assets | 23,834 | 18,864
Gross Amount Recognized, Derivatives, Financial Liabilities | 220,151 | 94,843
Gross Amount Offset, Derivatives, Financial liabilities | 0 | 0
Net Amount Recognized, Derivatives, Financial liabilities | 220,151 | $ 94,843
Foreign currency forward contracts [Member] |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Gross Amount Recognized, Derivatives, Financial Assets | 25 |
Gross Amount Offset, Derivatives, Financial assets | 0 |
Net Amount Recognized, Derivatives, Financial assets | 25 |
Gross Amount Recognized, Derivatives, Financial Liabilities | 174 |
Gross Amount Offset, Derivatives, Financial liabilities | 0 |
Net Amount Recognized, Derivatives, Financial liabilities | $ 174 |

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