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Wesbanco Bank Community Development Corporation - Additional Information (Detail) - WBCDC [Member] - USD ($) | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Schedule Of Subsidiary Financial Statements Table [Line Items] |  |  |
New Markets Tax Credits | $ 125,000,000.0 |  |
Lower limit of poverty rate tracts | 20.00% |  |
Percentage income of median family | 80.00% |  |
Percentage of credit provided to the investor | 39.00% |  |
Period of credit allowance | 7 years |  |
Percentage of total amount investor receives as credit | 5.00% |  |
Percentage of total amount investor receives as credit for the remaining four years | 6.00% |  |
Amount received as tax credit | $ 32,800,000 |  |
Investment limit for credit allowance | 125,000,000.0 |  |
Amount eligible to receive as tax credit | 16,000,000.0 |  |
Provision for income tax | 3,500,000 | $ 2,600,000 | $ 2,000,000.0
Tax credit carry forward | $ 0 |  |
Minimum percentage of QEI proceeds utilized | 85.00% |  |
Net (losses) gains on investments | $ (1,044,000) | $ 3,800,000 |

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