Schedule of Assets (Held at End of Year) - Schedule of Assets (Held at End of Year) (Details) - EBP 002	12 Months Ended
Dec. 31, 2025 USD ($) shares
EBP, Schedule of Asset Held for Investment [Line Items]
Entity Tax Identification Number	55-0571723
Employee Benefit Plan, Plan Number	002
Current Value	$ 277,918,166
Participant Loans	$ 6,822,206
Employee benefit plan, asset held for investment, participant loan, maturity date	Aug. 31, 2039
Total assets (held at end of year)	$ 298,706,522
Investment, Identifier [Axis]: American Balanced R6
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	American Balanced R6 [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	250,085
Current Value	$ 9,380,678
Investment, Identifier [Axis]: American Century Small Cap Growth R6
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	American Century Small Cap Growth R6 [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	18,985
Current Value	$ 447,279
Investment, Identifier [Axis]: American Century Small Cap Value R6
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	American Century Small Cap Value R6 [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	45,102
Current Value	$ 405,012
Investment, Identifier [Axis]: American EuroPacific Growth R6
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	American EuroPacific Growth R6 [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	112,963
Current Value	$ 6,843,293
Investment, Identifier [Axis]: American Small Cap World R6
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	American Small Cap World R6 [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	52,653
Current Value	$ 4,016,863
Investment, Identifier [Axis]: BlackRock Total Return Fund Class K
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	BlackRock Total Return Fund Class K [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	352,769
Current Value	$ 3,534,742
Investment, Identifier [Axis]: Dreyfus Government Cash Management
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	Dreyfus Government Cash Management [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	60,942
Current Value	$ 60,942
Investment, Identifier [Axis]: Fidelity Advisor Small Cap Class Z
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	Fidelity Advisor Small Cap Class Z [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	189,990
Current Value	$ 6,871,942
Investment, Identifier [Axis]: Fidelity SmallCap Index
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	Fidelity SmallCap Index [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	45,620
Current Value	$ 1,411,030
Investment, Identifier [Axis]: Fidelity U.S. Bond Index
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	Fidelity U.S. Bond Index [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	250,562
Current Value	$ 2,645,942
Investment, Identifier [Axis]: JP Morgan Large Cap Growth R6
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	JP Morgan Large Cap Growth R6 [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	349,064
Current Value	$ 30,173,128
Investment, Identifier [Axis]: JP Morgan Mid Cap Growth
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	JP Morgan Mid Cap Growth [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	19,190
Current Value	$ 992,892
Investment, Identifier [Axis]: JP Morgan U.S. Value R6
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	JP Morgan U.S. Value R6 [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	81,531
Current Value	$ 7,384,244
Investment, Identifier [Axis]: T. Rowe Midcap Value I Class
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	T. Rowe Midcap Value I Class [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	151,219
Current Value	$ 4,849,609
Investment, Identifier [Axis]: T. Rowe Price Target Retirement 2010 I Class
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	T. Rowe Price Target Retirement 2010 I Class [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	39,753
Current Value	$ 635,260
Investment, Identifier [Axis]: T. Rowe Price Target Retirement 2015 I Class
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	T. Rowe Price Target Retirement 2015 I Class [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	137,410
Current Value	$ 1,828,931
Investment, Identifier [Axis]: T. Rowe Price Target Retirement 2020 I Class
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	T. Rowe Price Target Retirement 2020 I Class [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	514,215
Current Value	$ 10,130,035
Investment, Identifier [Axis]: T. Rowe Price Target Retirement 2025 I Class
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	T. Rowe Price Target Retirement 2025 I Class [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	890,130
Current Value	$ 15,692,994
Investment, Identifier [Axis]: T. Rowe Price Target Retirement 2030 I Class
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	T. Rowe Price Target Retirement 2030 I Class [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	904,589
Current Value	$ 25,066,151
Investment, Identifier [Axis]: T. Rowe Price Target Retirement 2035 I Class
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	T. Rowe Price Target Retirement 2035 I Class [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	943,512
Current Value	$ 22,040,445
Investment, Identifier [Axis]: T. Rowe Price Target Retirement 2040 I Class
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	T. Rowe Price Target Retirement 2040 I Class [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	714,220
Current Value	$ 24,554,882
Investment, Identifier [Axis]: T. Rowe Price Target Retirement 2045 I Class
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	T. Rowe Price Target Retirement 2050 I Class [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	529,748
Current Value	$ 13,460,909
Investment, Identifier [Axis]: T. Rowe Price Target Retirement 2050 I Class
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	T. Rowe Price Target Retirement 2050 I Class [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	678,533
Current Value	$ 14,676,661
Investment, Identifier [Axis]: T. Rowe Price Target Retirement 2055 I Class
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	T. Rowe Price Target Retirement 2055 I Class [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	258,303
Current Value	$ 5,876,399
Investment, Identifier [Axis]: T. Rowe Price Target Retirement 2060 I Class
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	T. Rowe Price Target Retirement 2060 I Class [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	190,754
Current Value	$ 3,624,334
Investment, Identifier [Axis]: T. Rowe Price Target Retirement 2065 I Class
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	Vanguard Federal Money Market Fund [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	75,880
Current Value	$ 1,121,508
Investment, Identifier [Axis]: Vanguard Federal Money Market Fund
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	Vanguard Federal Money Market Fund [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	15,652,842
Current Value	$ 15,652,842
Investment, Identifier [Axis]: Vanguard Mid Cap Index
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	Vanguard Mid Cap Index [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	6,010
Current Value	$ 2,159,708
Investment, Identifier [Axis]: Vanguard Total Institutional Stock Index
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	Vanguard Total Institutional Stock Index [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	96,568
Current Value	$ 3,913,894
Investment, Identifier [Axis]: WesMark Small Company Growth Fund
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	WesMark Small Company Growth Fund [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
EBP, Asset Held for Investment, Party-in-Interest [true false]	true
Number of shares held \| shares	138,408
Current Value	$ 2,020,761
Investment, Identifier [Axis]: Wesbanco, Inc. Common Stock
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	Wesbanco Inc Common Stock [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	EBP, Employer, Common Stock [Member]
EBP, Asset Held for Investment, Party-in-Interest [true false]	true
Equity securities	$ 13,966,150
Number of shares equity securities held \| shares	420,134
Investment, Identifier [Axis]: Wesmark Large Company
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	Wesmark Large Company [Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
EBP, Asset Held for Investment, Party-in-Interest [true false]	true
Number of shares held \| shares	441,946
Current Value	$ 9,753,755
Investment, Identifier [Axis]: iShares S&P 500 Stock Fund Class K
EBP, Schedule of Asset Held for Investment [Line Items]
EBP, Investment, Issuer Name [Extensible Enumeration]	IShares S&P 500 Stock Fund Class K [ Member]
EBP, Investment, Current Value, Type [Extensible Enumeration]	Registered Investment Companies [Member]
Number of shares held \| shares	33,522
Current Value	$ 26,691,101
Maximum [Member]
EBP, Schedule of Asset Held for Investment [Line Items]
Employee benefit plan, asset held for investment, participant loan, interest rate	3.25%
Minimum [Member]
EBP, Schedule of Asset Held for Investment [Line Items]
Employee benefit plan, asset held for investment, participant loan, interest rate	9.50%

The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 12
-Subsection b-2

+ Details

Name:	dei_EntityTaxIdentificationNumber
Namespace Prefix:	dei_
Data Type:	dei:employerIdItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of total assets in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, current value of investment, participant loan, and plan interest in master trust.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule I))
-SubTopic 205
-Topic 962
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)
-Publisher DOL-EBSA

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestment
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Current value of investment, excluding plan interest in master trust, in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract.

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount, after deemed distribution, of participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Indicates (true false) whether asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) was transacted with party-in-interest.

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentPartyInInterest
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:booleanItemType
Balance Type:	na
Period Type:	instant

- Definition

Indicates name of issuer of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule I))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 6
-Paragraph d
-Subparagraph (1)(i)
-Publisher DOL-EBSA

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (2)(i)(A)
-Publisher DOL-EBSA

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)(i)(A)
-Publisher DOL-EBSA

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanInvestmentIssuerNameExtensibleEnumeration
Namespace Prefix:	us-gaap-ebp_
Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares or units of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 6
-Paragraph d
-Subparagraph (1)(ii)
-Publisher DOL-EBSA

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (4)
-Publisher DOL-EBSA

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (3)
-Publisher DOL-EBSA

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (2)(i)(B)
-Publisher DOL-EBSA

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)(i)(B)
-Publisher DOL-EBSA

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule I))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-02(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Indicates type of investment at current value held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule I))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (2)(i)(A)
-Publisher DOL-EBSA

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)(i)(A)
-Publisher DOL-EBSA

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanInvestmentTypeExtensibleEnumeration
Namespace Prefix:	us-gaap-ebp_
Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	duration

- Definition

Interest rate on participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate
Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maturity date of participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), in YYYY-MM-DD format.

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanParticipantLoanMaturityDate
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Plan number of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), in three-digit numeric format.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule II))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (4)
-Publisher DOL-EBSA

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (3)
-Publisher DOL-EBSA

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule I))
-SubTopic 205
-Topic 962
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule III))
-SubTopic 205
-Topic 962
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 6
-Paragraph d
-Subparagraph (1)
-Publisher DOL-EBSA

Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)
-Publisher DOL-EBSA

Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (2)
-Publisher DOL-EBSA

Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 6
-Paragraph d
-Subparagraph (2)
-Publisher DOL-EBSA

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanPlanNumber
Namespace Prefix:	us-gaap-ebp_
Data Type:	us-types:threeDigitItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)(i)(B)
-Publisher DOL-EBSA

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule I))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)(i)(A)
-Publisher DOL-EBSA

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)(i)(D)
-Publisher DOL-EBSA

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)(i)(C)
-Publisher DOL-EBSA

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Employee benefit plan equity securities.

+ References

No definition available.

+ Details

Name:	wsbc_EmployeeBenefitPlanEquitySecurities
Namespace Prefix:	wsbc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Employee benefit plan investment number of equity securities shares.

+ References

No definition available.

+ Details

Name:	wsbc_EmployeeBenefitPlanInvestmentNumberOfEquitySecuritiesShares
Namespace Prefix:	wsbc_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant