XML 132 R119.htm IDEA: XBRL DOCUMENT v3.22.0.1

Income Taxes - Schedule of Income Tax Amounts were Recorded in Shareholder's Equity as Elements of Other Comprehensive Income (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Securities and defined benefit pension plan unrecognized items	$ (11,322)	$ 9,730	$ (11,570)

X

- References

No definition available.

+ Details

Name:	us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Income tax amounts recorded in other comprehensive income related to securities and defined benefit pension plan.

+ References

No definition available.

+ Details

Name:	wsbc_IncomeTaxAmountsRecordedInOtherComprehensiveIncomeRelatedToSecuritiesAndDefinedBenefitPensionPlan
Namespace Prefix:	wsbc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration