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Borrowings - Short Term Borrowings (Detail) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
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Debt Disclosure [Abstract] |  |
FHLB advances | $ 135,000 | $ 700,000
Federal funds purchased | 770,000 | 75,000
Total short-term debt | $ 905,000 | $ 775,000
FHLB advances, rate | 1.38% | 0.26%
Federal funds purchased, rate | 1.71% | 0.05%

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- Definition Discloses the single interest rate [if] applicable to short-term advances from the Federal Home Loan Bank as of the Balance Sheet date. + References No definition available. + Details
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