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Short-term Borrowings - Summary of Short-Term Borrowings (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Short-term Debt [Line Items] |  |  |
Ending Balance | $ 372,694 | $ 138,315 | $ 117,373
Average Balance | $ 144,834 | $ 119,801 | $ 142,634
Average Rate | 1.38% | 0.08% | 0.49%
Federal funds purchased |  |  |
Short-term Debt [Line Items] |  |  |
Ending Balance | $ 0 | $ 0 | $ 0
Average Balance | $ 1,553 | $ 0 | $ 4,147
Average Rate | 3.93% | 0.00% | 1.06%
Borrowings from FHLB |  |  |
Short-term Debt [Line Items] |  |  |
Ending Balance | $ 285,000 | $ 0 | $ 0
Average Balance | $ 41,529 | $ 0 | $ 28,252
Average Rate | 4.24% | 0.00% | 1.54%
Securities sold under agreements to repurchase |  |  |
Short-term Debt [Line Items] |  |  |
Ending Balance | $ 87,694 | $ 138,315 | $ 117,373
Average Balance | $ 101,752 | $ 119,801 | $ 110,235
Average Rate | 0.18% | 0.08% | 0.21%
Maximum [Member] |  |  |
Short-term Debt [Line Items] |  |  |
Ending Balance | $ 372,694 | $ 138,315 | $ 248,471
Weighted Average [Member] |  |  |
Short-term Debt [Line Items] |  |  |
Average Rate | 3.56% | 0.06% | 0.10%

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