Wesbanco Bank Community Development Corporation - Additional Information (Detail) - WBCDC [Member] - USD ($)	12 Months Ended
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

Amount of realized and unrealized gain (loss) on investment.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27405-111563

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.7(c),9(a))
-URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227

Reference 3: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585