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Borrowings - Summary of Bancorps Short Term Borrowings (Detail) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2022 | Dec. 31, 2021
FHLB Advances |  |
Short-term Debt [Line Items] |  |
Maximum outstanding at any month end | $ 775,000 | $ 850,000
Average balance during the period | $ 250,164 | $ 264,704
Weighted-average interest rate during the period | 1.46% | 2.35%
Federal Funds Purchased |  |
Short-term Debt [Line Items] |  |
Maximum outstanding at any month end | $ 895,000 | $ 365,000
Average balance during the period | $ 367,210 | $ 22,110
Weighted-average interest rate during the period | 0.82% | 0.07%

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