XML 109 R96.htm IDEA: XBRL DOCUMENT
v3.22.4

Derivatives and Hedging Activities - Summary of Effect of Derivative Instruments on Income Statement (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Derivatives, Fair Value [Line Items] |  |  |
Total gain (loss) on derivative financial instruments | $ 5,838 | $ 4,080 | $ (8,750)
Interest Rate Swaps and Caps [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Total gain (loss) on derivative financial instruments | $ 2,679 | $ 1,977 | $ (1,966)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Noninterest Income, Other Operating Income | Noninterest Income, Other Operating Income | Noninterest Income, Other Operating Income
Interest Rate Lock Commitments [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Total gain (loss) on derivative financial instruments | $ (52) | $ (693) | $ 658
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Non Interest Income Derived From Mortgage Banking Activities | Non Interest Income Derived From Mortgage Banking Activities | Non Interest Income Derived From Mortgage Banking Activities
Forward TBA Contracts [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Total gain (loss) on derivative financial instruments | $ 3,211 | $ 2,796 | $ (7,442)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Non Interest Income Derived From Mortgage Banking Activities | Non Interest Income Derived From Mortgage Banking Activities | Non Interest Income Derived From Mortgage Banking Activities

X
- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + Details
Name: | us-gaap_DerivativeGainLossOnDerivativeNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Indicates line item in statement of income or comprehensive income that includes gain (loss) from derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + Details
Name: | us-gaap_DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration
Namespace Prefix: | us-gaap_
Data Type: | enum2:enumerationSetItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_DerivativesFairValueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_InterestRateLockCommitmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=wsbc_ForwardTBAContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |