Wesbanco Bank Community Development Corporation - Additional Information (Detail) - WBCDC [Member] - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Schedule Of Subsidiary Financial Statements Table [Line Items]
New Markets Tax Credits	$ 125,000,000
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	$ 36,400,000
Investment limit for credit allowance	125,000,000
Amount eligible to receive as tax credit	12,300,000
Provision for income tax	3,700,000	$ 3,500,000	$ 2,600,000
Tax credit carry forward	$ 0
Minimum percentage of QEI proceeds utilized	85.00%
Net (losses) gains on investments	$ 77,000	$ (1,000,000)	$ 3,800,000