XML 56 R45.htm IDEA: XBRL DOCUMENT
v3.21.1

Loans and the Allowance for Credit Losses - Summary of Age Analysis of Loan Categories (Detail) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Current | $ 10,644,956 | $ 10,721,084
Total Past Due | 58,356 | 68,149
Total loans | 10,703,312 | 10,789,233
90 Days or More Past Due and Accruing | 12,824 | 8,846
Loans held for sale, current | 153,520 | 168,378
Loans held for sale | 153,520 | 168,378
Total loans, current | 10,798,476 | 10,889,462
Total loans | 10,856,832 | 10,957,611
Total Non-performing [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current | 13,208 | 13,100
Total Past Due | 24,930 | 27,707
Total loans | 38,138 | 40,807
Home Equity [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current | 628,773 | 639,319
Total Past Due | 5,245 | 7,068
Total loans | 634,018 | 646,387
90 Days or More Past Due and Accruing | 784 | 706
Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current | 5,694,797 | 5,681,802
Total Past Due | 17,945 | 23,590
Total loans | 5,712,742 | 5,705,392
90 Days or More Past Due and Accruing | 2,596 | 3,001
Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current | 1,625,328 | 1,698,636
Total Past Due | 19,094 | 22,325
Total loans | 1,644,422 | 1,720,961
90 Days or More Past Due and Accruing | 4,007 | 2,863
Consumer [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current | 287,395 | 305,483
Total Past Due | 2,000 | 3,572
Total loans | 289,395 | 309,055
90 Days or More Past Due and Accruing | 123 | 377
Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current | 639,378 | 664,990
Total Past Due | 2,639 | 3,287
Total loans | 642,017 | 668,277
90 Days or More Past Due and Accruing | 641 | 288
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current | 5,055,419 | 5,016,812
Total Past Due | 15,306 | 20,303
Total loans | 5,070,725 | 5,037,115
90 Days or More Past Due and Accruing | 1,955 | 2,713
Commercial and Industrial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current | 2,408,663 | 2,395,844
Total Past Due | 14,072 | 11,594
Total loans | 2,422,735 | 2,407,438
90 Days or More Past Due and Accruing | 5,314 | 1,899
Non-Accrual Loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current | 9,960 | 9,560
Total Past Due | 24,615 | 27,320
Total loans | 34,575 | 36,880
TDRs Accruing Interest [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current | 3,248 | 3,540
Total Past Due | 315 | 387
Total loans | 3,563 | 3,927
30-59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 15,338 | 16,856
30-59 Days Past Due [Member] | Total Non-performing [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 1,003 | 693
30-59 Days Past Due [Member] | Home Equity [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 1,213 | 2,414
Total loans | 1,213 | 2,414
30-59 Days Past Due [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 5,161 | 5,458
30-59 Days Past Due [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 2,713 | 2,614
Total loans | 2,713 | 2,614
30-59 Days Past Due [Member] | Consumer [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 1,428 | 1,998
Total loans | 1,428 | 1,998
30-59 Days Past Due [Member] | Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 1,120 | 582
30-59 Days Past Due [Member] | Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 4,041 | 4,876
30-59 Days Past Due [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 4,823 | 4,372
30-59 Days Past Due [Member] | Non-Accrual Loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 940 | 630
30-59 Days Past Due [Member] | TDRs Accruing Interest [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 63 | 63
60-89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 7,526 | 16,051
60-89 Days Past Due [Member] | Total Non-performing [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 1,259 | 618
60-89 Days Past Due [Member] | Home Equity [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 197 | 775
Total loans | 197 | 775
60-89 Days Past Due [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 2,743 | 6,394
60-89 Days Past Due [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 1,589 | 5,654
Total loans | 1,589 | 5,654
60-89 Days Past Due [Member] | Consumer [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 340 | 1,031
Total loans | 340 | 1,031
60-89 Days Past Due [Member] | Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 759 | 2,276
60-89 Days Past Due [Member] | Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 1,984 | 4,118
60-89 Days Past Due [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 2,657 | 2,197
60-89 Days Past Due [Member] | Non-Accrual Loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 1,100 | 466
60-89 Days Past Due [Member] | TDRs Accruing Interest [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 159 | 152
90 Days or More Past Due [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 35,492 | 35,242
90 Days or More Past Due [Member] | Total Non-performing [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 22,668 | 26,396
90 Days or More Past Due [Member] | Home Equity [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 3,835 | 3,879
Total loans | 3,835 | 3,879
90 Days or More Past Due [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 10,041 | 11,738
90 Days or More Past Due [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 14,792 | 14,057
Total loans | 14,792 | 14,057
90 Days or More Past Due [Member] | Consumer [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 232 | 543
Total loans | 232 | 543
90 Days or More Past Due [Member] | Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 760 | 429
90 Days or More Past Due [Member] | Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 9,281 | 11,309
90 Days or More Past Due [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 6,592 | 5,025
90 Days or More Past Due [Member] | Non-Accrual Loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | 22,575 | 26,224
90 Days or More Past Due [Member] | TDRs Accruing Interest [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Past Due | $ 93 | $ 172

X
- Definition Amount of financing receivable 90 days or more past due and still accruing. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919258-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5111-111524 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922355-210448 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable not past due. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953401-111524 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922355-210448 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919253-210447 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of financing receivable past due. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922355-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919253-210447 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953401-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables. + References No definition available. + Details
Name: | us-gaap_LoansHeldForSaleFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, after valuation allowance, of financing receivable held for sale and not part of disposal group. Excludes loan covered under loss sharing agreement and loan classified as investment in debt security. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=120238483&loc=d3e48678-111004 + Details
Name: | us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, before allowance for credit loss, of financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919230-210447 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922355-210448 + Details
Name: | us-gaap_NotesReceivableGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Financing receivable including loans held for sale. + References No definition available. + Details
Name: | wsbc_FinancingReceivableIncludingLoansHeldForSale
Namespace Prefix: | wsbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Loans receivable net current. + References No definition available. + Details
Name: | wsbc_LoansReceivableNetCurrent
Namespace Prefix: | wsbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_NonperformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=wsbc_CommercialRealEstateLandAndConstructionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_RealEstateLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=wsbc_CommercialAndIndustrialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=wsbc_NonAccrualLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=wsbc_TdrsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |