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Borrowings - Summary of Bancorp's Short-term Borrowings (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023
Federal Reserve Bank Advances |  |
Short-term Debt [Line Items] |  |
Maximum outstanding at any month end | $ 0 | $ 0
Average balance during the period | $ 0 | $ 120,099
Weighted-average interest rate during the period | 0.00% | 5.23%
FHLB advances |  |
Short-term Debt [Line Items] |  |
Maximum outstanding at any month end | $ 0 | $ 0
Average balance during the period | $ 0 | $ 87,407
Weighted-average interest rate during the period | 0.00% | 5.16%
Federal Funds Purchased |  |
Short-term Debt [Line Items] |  |
Maximum outstanding at any month end | $ 0 | $ 0
Average balance during the period | $ 0 | $ 3,781
Weighted-average interest rate during the period | 0.00% | 4.97%

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