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Investments in Limited Partnerships - Schedule of Equity Commitments (Details) - Variable Interest Entity, Not Primary Beneficiary [Member] $ in Thousands	Dec. 31, 2022 USD ($)
Schedule of Investments [Line Items]
2023	$ 3,954
2024	6,252
2025	2,061
2026	922
2027	584
2028 and thereafter	1,348
Total	$ 15,121

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- 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

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

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- Definition

Equity commitment.

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No definition available.

+ Details

Name:	wsbc_EquityCommitment
Namespace Prefix:	wsbc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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- Definition

Equity commitment due after fifth year.

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No definition available.

+ Details

Name:	wsbc_EquityCommitmentDueAfterFifthYear
Namespace Prefix:	wsbc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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- Definition

Equity commitment due in fifth year.

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No definition available.

+ Details

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Namespace Prefix:	wsbc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Equity commitment due in fourth year.

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No definition available.

+ Details

Name:	wsbc_EquityCommitmentDueInFourthYear
Namespace Prefix:	wsbc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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- Definition

Equity commitment due in next twelve months.

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No definition available.

+ Details

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Namespace Prefix:	wsbc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Equity commitment due in second year.

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No definition available.

+ Details

Name:	wsbc_EquityCommitmentDueInSecondYear
Namespace Prefix:	wsbc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Equity commitment due in third year.

+ References

No definition available.

+ Details

Name:	wsbc_EquityCommitmentDueInThirdYear
Namespace Prefix:	wsbc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

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Namespace Prefix:
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Balance Type:
Period Type: