$WSBC
WESBANCO INC Stock $wsbc

$wsbc Overview Financials Valuation SEC Filings Company Website

2018 Q4 Form 10-K Financial Statement

#000156459020007827 Filed on February 28, 2020

Income Statement

Concept	2018 Q4	2018 Q3	2018 Q2
Revenue	$121.4M	$108.4M	$98.89M
YoY Change	43.06%	26.79%	20.36%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization
YoY Change
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$19.62M	$18.46M	$16.54M
YoY Change	68.14%	64.31%	65.06%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$54.48M	$39.00M	$40.50M
YoY Change	40.05%	5.75%	12.53%
Income Tax	$10.56M	$6.516M	$7.335M
% Of Pretax Income	19.37%	16.71%	18.11%
Net Earnings	$43.93M	$32.49M	$33.17M
YoY Change	176.33%	23.26%	25.92%
Net Earnings / Revenue	36.19%	29.97%	33.54%
Basic Earnings Per Share	$0.80	$0.65	$0.71
Diluted Earnings Per Share	$0.80	$0.64	$0.71
COMMON SHARES
Basic Shares Outstanding	54.60M shares	50.28M	46.50M
Diluted Shares Outstanding		50.43M	46.64M

Balance Sheet

Concept	2018 Q4	2018 Q3	2018 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$3.316B	$3.320B	$2.985B
YoY Change	38.03%	35.52%	25.0%
Cash & Equivalents	$169.2M	$273.7M	$155.6M
Short-Term Investments	$3.147B	$3.047B	$2.830B
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$166.9M	$159.3M	$131.5M
YoY Change	27.69%	19.32%	-2.52%
Goodwill	$900.0M
YoY Change	56.82%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$12.46B	$12.60B	$10.95B
YoY Change	26.92%	27.03%	10.86%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$5.000M	$7.000M	$4.000M
YoY Change	66.67%	75.0%	100.0%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$291.0M	$294.0M	$258.0M
YoY Change	57.3%	77.11%	53.57%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$5.000M	$7.000M	$4.000M
YoY Change	66.67%	75.0%	100.0%
LONG-TERM LIABILITIES
Long-Term Debt	$190.0M	$190.0M	$165.0M
YoY Change	15.85%	15.85%	0.61%
Other Long-Term Liabilities	$109.0M	$109.0M	$78.00M
YoY Change	41.56%	47.3%	14.71%
Total Long-Term Liabilities	$299.0M	$299.0M	$243.0M
YoY Change	24.07%	25.63%	4.74%
TOTAL LIABILITIES
Total Short-Term Liabilities	$5.000M	$7.000M	$4.000M
Total Long-Term Liabilities	$299.0M	$299.0M	$243.0M
Total Liabilities	$10.48B	$10.67B	$9.422B
YoY Change	24.45%	25.21%	10.9%
SHAREHOLDERS EQUITY
Retained Earnings	$737.6M	$709.5M	$692.8M
YoY Change	13.24%	10.63%	10.6%
Common Stock	$1.280B	$1.279B	$886.2M
YoY Change	64.9%	64.98%	14.47%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$274.0K	$15.00K	$555.0K
YoY Change		-95.0%	44.16%
Treasury Stock Shares	$6.160K	327.0 shares	11.76M shares
Shareholders Equity	$1.979B	$1.927B	$1.524B
YoY Change
Total Liabilities & Shareholders Equity	$12.46B	$12.60B	$10.95B
YoY Change	26.92%	27.03%	10.86%

Cashflow Statement

Concept	2018 Q4	2018 Q3	2018 Q2
OPERATING ACTIVITIES
Net Income	$43.93M	$32.49M	$33.17M
YoY Change	176.33%	23.26%	25.92%
Depreciation, Depletion And Amortization
YoY Change
Cash From Operating Activities	$69.60M	$55.70M	$34.70M
YoY Change	43.21%	50.54%	285.56%
INVESTING ACTIVITIES
Capital Expenditures	-$2.300M	-$1.600M	-$500.0K
YoY Change	-1250.0%	23.08%	-80.77%
Acquisitions
YoY Change
Other Investing Activities	$34.40M	$262.0M	$118.3M
YoY Change	-53.64%	-690.09%	-287.78%
Cash From Investing Activities	$32.10M	$260.4M	$117.8M
YoY Change	-56.8%	-669.8%	-279.57%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-206.2M	-198.0M	-97.80M
YoY Change	77.45%	-2350.0%	-287.0%
NET CHANGE
Cash From Operating Activities	69.60M	55.70M	34.70M
Cash From Investing Activities	32.10M	260.4M	117.8M
Cash From Financing Activities	-206.2M	-198.0M	-97.80M
Net Change In Cash	-104.5M	118.1M	54.70M
YoY Change	-1659.7%	118000.0%	-1372.09%
FREE CASH FLOW
Cash From Operating Activities	$69.60M	$55.70M	$34.70M
Capital Expenditures	-$2.300M	-$1.600M	-$500.0K
Free Cash Flow	$71.90M	$57.30M	$35.20M
YoY Change	48.55%	49.61%	203.45%

Facts In Submission

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CY2017	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	280309000
CY2019	wsbc	Electronic Banking Fees ElectronicBankingFees	22634000
CY2018	wsbc	Electronic Banking Fees ElectronicBankingFees	23300000
CY2017	wsbc	Electronic Banking Fees ElectronicBankingFees	19183000
CY2019	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	6990000
CY2018	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	7186000
CY2017	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	6672000
CY2019	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	5913000
CY2018	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	6427000
CY2017	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	4794000
CY2019	wsbc	Non Interest Income Derived From Mortgage Banking Activities NonInterestIncomeDerivedFromMortgageBankingActivities	8219000
CY2018	wsbc	Non Interest Income Derived From Mortgage Banking Activities NonInterestIncomeDerivedFromMortgageBankingActivities	5840000
CY2017	wsbc	Non Interest Income Derived From Mortgage Banking Activities NonInterestIncomeDerivedFromMortgageBankingActivities	5053000
CY2019	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	4320000
CY2018	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	-900000
CY2017	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	567000
CY2019	wsbc	Net Gain Loss On Other Real Estate Owned And Other Assets NetGainLossOnOtherRealEstateOwnedAndOtherAssets	732000
CY2018	wsbc	Net Gain Loss On Other Real Estate Owned And Other Assets NetGainLossOnOtherRealEstateOwnedAndOtherAssets	524000
CY2017	wsbc	Net Gain Loss On Other Real Estate Owned And Other Assets NetGainLossOnOtherRealEstateOwnedAndOtherAssets	658000
CY2019	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	14355000
CY2018	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	9606000
CY2017	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	8641000
CY2019	us-gaap	Noninterest Income NoninterestIncome	116716000
CY2018	us-gaap	Noninterest Income NoninterestIncome	100276000
CY2017	us-gaap	Noninterest Income NoninterestIncome	88840000
CY2019	wsbc	Salaries And Officer Compensation SalariesAndOfficerCompensation	132485000
CY2018	wsbc	Salaries And Officer Compensation SalariesAndOfficerCompensation	114602000
CY2017	wsbc	Salaries And Officer Compensation SalariesAndOfficerCompensation	97361000
CY2019	wsbc	Employee Benefits EmployeeBenefits	39313000
CY2018	wsbc	Employee Benefits EmployeeBenefits	30079000
CY2017	wsbc	Employee Benefits EmployeeBenefits	29933000
CY2019	us-gaap	Occupancy Net OccupancyNet	22505000
CY2018	us-gaap	Occupancy Net OccupancyNet	19165000
CY2017	us-gaap	Occupancy Net OccupancyNet	17101000
CY2019	us-gaap	Equipment Expense EquipmentExpense	20494000
CY2018	us-gaap	Equipment Expense EquipmentExpense	17207000
CY2017	us-gaap	Equipment Expense EquipmentExpense	16026000
CY2019	us-gaap	Marketing Expense MarketingExpense	6062000
CY2018	wsbc	Federal Deposit Insurance Corporation Premium Expense Income FederalDepositInsuranceCorporationPremiumExpenseIncome	3242000
CY2017	wsbc	Federal Deposit Insurance Corporation Premium Expense Income FederalDepositInsuranceCorporationPremiumExpenseIncome	3504000
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	10340000
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6980000
CY2019	us-gaap	Other Noninterest Expense OtherNoninterestExpense	62656000
CY2018	us-gaap	Other Noninterest Expense OtherNoninterestExpense	50721000
CY2017	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1012000
CY2019	wsbc	Other Comprehensive Income Amortization Of Unrealized Holding Gain Loss Previously Recognized In Other Comprehensive Income Before Tax OtherComprehensiveIncomeAmortizationOfUnrealizedHoldingGainLossPreviouslyRecognizedInOtherComprehensiveIncomeBeforeTax	222000
CY2017	us-gaap	Other Noninterest Expense OtherNoninterestExpense	45330000
CY2019	us-gaap	Noninterest Expense NoninterestExpense	312208000
CY2018	us-gaap	Noninterest Expense NoninterestExpense	265224000
CY2017	us-gaap	Noninterest Expense NoninterestExpense	220860000
CY2018	wsbc	Other Comprehensive Income Amortization Of Unrealized Holding Gain Loss Previously Recognized In Other Comprehensive Income Before Tax OtherComprehensiveIncomeAmortizationOfUnrealizedHoldingGainLossPreviouslyRecognizedInOtherComprehensiveIncomeBeforeTax	244000
CY2017	wsbc	Other Comprehensive Income Amortization Of Unrealized Holding Gain Loss Previously Recognized In Other Comprehensive Income Before Tax OtherComprehensiveIncomeAmortizationOfUnrealizedHoldingGainLossPreviouslyRecognizedInOtherComprehensiveIncomeBeforeTax	326000
CY2019	wsbc	Other Comprehensive Income Amortization Of Unrealized Holding Gain Loss Previously Recognized In Other Comprehensive Income Tax OtherComprehensiveIncomeAmortizationOfUnrealizedHoldingGainLossPreviouslyRecognizedInOtherComprehensiveIncomeTax	54000
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-7209000
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4940000
CY2019	wsbc	Restructuring And Merger Related Charges RestructuringAndMergerRelatedCharges	16397000
CY2018	wsbc	Restructuring And Merger Related Charges RestructuringAndMergerRelatedCharges	17860000
CY2017	wsbc	Restructuring And Merger Related Charges RestructuringAndMergerRelatedCharges	945000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	193214000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	174524000
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	148289000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	34341000
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	31412000
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	53807000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	158873000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	143112000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	94482000
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.83
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.93
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.15
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.83
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.92
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.14
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56108084
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	48889041
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	44003208
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56214364
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	49022990
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	44075293
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.24
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.16
CY2017	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.04
CY2019	us-gaap	Net Income Loss NetIncomeLoss	158873000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	143112000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	94482000
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	52299000
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-9228000
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-1702000
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	11958000
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-2008000
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-717000
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	227000
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-15000
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	42000
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	52000
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-4000
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	15000
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	40166000
CY2017	wsbc	Other Comprehensive Income Loss Held To Maturity Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossHeldToMaturitySecuritiesAdjustmentNetOfTax	-209000
CY2019	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	3042000
CY2018	wsbc	Other Comprehensive Income Amortization Of Unrealized Holding Gain Loss Previously Recognized In Other Comprehensive Income Tax OtherComprehensiveIncomeAmortizationOfUnrealizedHoldingGainLossPreviouslyRecognizedInOtherComprehensiveIncomeTax	56000
CY2017	wsbc	Other Comprehensive Income Amortization Of Unrealized Holding Gain Loss Previously Recognized In Other Comprehensive Income Tax OtherComprehensiveIncomeAmortizationOfUnrealizedHoldingGainLossPreviouslyRecognizedInOtherComprehensiveIncomeTax	117000
CY2019	wsbc	Other Comprehensive Income Loss Held To Maturity Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossHeldToMaturitySecuritiesAdjustmentNetOfTax	-168000
CY2018	wsbc	Other Comprehensive Income Loss Held To Maturity Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossHeldToMaturitySecuritiesAdjustmentNetOfTax	-188000
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	926000
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-2084000
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-2433000
CY2017	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	3247000
CY2019	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	729000
CY2018	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	822000
CY2017	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	1053000
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-4250000
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-54000
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	380000
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	1011000
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	12000
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-141000
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	39072000
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-5313000
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1212000
CY2017	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.04
CY2017	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1529000
CY2017	wsbc	Treasury Stock Value Acquired Cost Method Adjustments TreasuryStockValueAcquiredCostMethodAdjustments	489000
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2956000
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	1395321000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	143112000
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-5313000
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	137799000
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.16
CY2018	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	57951000
CY2018	wsbc	Treasury Stock Value Acquired Cost Method Adjustments TreasuryStockValueAcquiredCostMethodAdjustments	697000
CY2018	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1849000
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4361000
CY2018	wsbc	Deferred Benefits For Directors Net DeferredBenefitsForDirectorsNet	469000
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	1978827000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	158873000
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	39072000
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	197945000
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.24
CY2019	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	71760000
CY2019	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	159000
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	5321000
CY2019	wsbc	Deferred Benefits For Directors Net DeferredBenefitsForDirectorsNet	208000
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	2593921000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	158873000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	143112000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	94482000
CY2019	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	11567000
CY2018	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	10451000
CY2017	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	10441000
CY2019	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	996000
CY2018	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	3932000
CY2017	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	8871000
CY2019	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	11198000
CY2018	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	7764000
CY2017	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	9986000
CY2019	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	4320000
CY2018	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	-900000
CY2017	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	567000
CY2019	wsbc	Non Interest Income Derived From Mortgage Banking Activities NonInterestIncomeDerivedFromMortgageBankingActivities	8219000
CY2017	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	213610000
CY2019	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	308856000
CY2018	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	227100000
CY2017	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	4794000
CY2019	us-gaap	Pension Contributions PensionContributions	3000000
CY2018	wsbc	Non Interest Income Derived From Mortgage Banking Activities NonInterestIncomeDerivedFromMortgageBankingActivities	5840000
CY2017	wsbc	Non Interest Income Derived From Mortgage Banking Activities NonInterestIncomeDerivedFromMortgageBankingActivities	5053000
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	5321000
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	4361000
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	2956000
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	8466000
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	7163000
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	27112000
CY2019	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	5913000
CY2018	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	6427000
CY2018	us-gaap	Pension Contributions PensionContributions	2700000
CY2017	us-gaap	Pension Contributions PensionContributions	5000000
CY2019	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	328319000
CY2018	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	215540000
CY2017	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	216744000
CY2019	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	104000
CY2018	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	700000
CY2017	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	773000
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	33400000
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-19895000
CY2017	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-4593000
CY2019	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	41500000
CY2018	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-1347000
CY2017	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	3398000
CY2019	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-139000
CY2018	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-233000
CY2017	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-438000
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	163363000
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	191891000
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	142080000
CY2019	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	61804000
CY2018	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-121504000
CY2017	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	90225000
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	125839000
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	82134000
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	438259000
CY2017	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	252114000
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	78938000
CY2017	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	118180000
CY2019	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	41516000
CY2018	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	89933000
CY2017	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	66473000
CY2019	wsbc	Proceeds From Sale Of Equity Securities ProceedsFromSaleOfEquitySecurities	4090000
CY2018	wsbc	Proceeds From Sale Of Equity Securities ProceedsFromSaleOfEquitySecurities	1511000
CY2017	wsbc	Payments To Acquire Equity Securities PaymentsToAcquireEquitySecurities	200000
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-60025000
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-278654000
CY2019	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	1156000
CY2018	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	4772000
CY2017	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	349000
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	12201000
CY2018	wsbc	Proceeds From Sale Of Portfolio Loans ProceedsFromSaleOfPortfolioLoans	48990000
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	103786000
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-77375000
CY2018	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-129878000
CY2017	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	4262000
CY2019	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	1035000000
CY2018	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	640000000
CY2017	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	680000000
CY2017	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	700716000
CY2018	us-gaap	Proceeds From Other Short Term Debt ProceedsFromOtherShortTermDebt	86284000
CY2017	us-gaap	Proceeds From Other Short Term Debt ProceedsFromOtherShortTermDebt	18429000
CY2019	us-gaap	Repayments Of Debt And Capital Lease Obligations RepaymentsOfDebtAndCapitalLeaseObligations	402000
CY2018	us-gaap	Repayments Of Debt And Capital Lease Obligations RepaymentsOfDebtAndCapitalLeaseObligations	334000
CY2017	us-gaap	Repayments Of Debt And Capital Lease Obligations RepaymentsOfDebtAndCapitalLeaseObligations	454000
CY2019	us-gaap	Increase Decrease In Federal Funds Purchased IncreaseDecreaseInFederalFundsPurchased	-7500000
CY2018	us-gaap	Increase Decrease In Federal Funds Purchased IncreaseDecreaseInFederalFundsPurchased	25000000
CY2017	us-gaap	Increase Decrease In Federal Funds Purchased IncreaseDecreaseInFederalFundsPurchased	33000000
CY2019	us-gaap	Repayments Of Subordinated Debt RepaymentsOfSubordinatedDebt	33506000
CY2018	us-gaap	Repayments Of Subordinated Debt RepaymentsOfSubordinatedDebt	17519000
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	66571000
CY2017	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1040000
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	44864000
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	72000
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	65610000
CY2018	wsbc	Proceeds From Repurchase Of Treasury Stock ProceedsFromRepurchaseOfTreasuryStock	-426000
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-201539000
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-88418000
CY2019	wsbc	Proceeds From Repurchase Of Treasury Stock ProceedsFromRepurchaseOfTreasuryStock	-10211000
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	53577000
CY2018	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1578000
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-75303000
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	51614000
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-10598000
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	169186000
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	117572000
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	128170000
CY2019	us-gaap	Interest Paid Net InterestPaidNet	87145000
CY2017	us-gaap	Income Taxes Paid IncomeTaxesPaid	22875000
CY2018	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	1275000
CY2017	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	635000
CY2018	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	48990000
CY2019	wsbc	Non Cash Transaction Related To Acquisition NonCashTransactionRelatedToAcquisition	493935000
CY2018	wsbc	Non Cash Transaction Related To Acquisition NonCashTransactionRelatedToAcquisition	498614000
CY2019	us-gaap	Debt Securities Held To Maturity Transfer Amount DebtSecuritiesHeldToMaturityTransferAmount	67393000
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	19827000
CY2019Q4	wsbc	Number Of Branches NumberOfBranches	236
CY2019	wsbc	Number Of Automated Teller Machines NumberOfAutomatedTellerMachines	227
CY2019	us-gaap	Use Of Estimates UseOfEstimates	<p style="text-align:justify;margin-bottom:0pt;margin-top:12pt;text-indent:4.24%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Use of Estimates—<span style="font-weight:normal;"> The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.</span></p>
CY2019Q4	wsbc	Minimum Loan Balance Individually Tested For Impairment MinimumLoanBalanceIndividuallyTestedForImpairment	1000000
CY2019	wsbc	Number Of Wholly Owned Trust Subsidiaries NumberOfWhollyOwnedTrustSubsidiaries	13
CY2019	wsbc	Held To Maturity Securities To Be Sold Percentage Of Purchase Price HeldToMaturitySecuritiesToBeSoldPercentageOfPurchasePrice	0.15
CY2019	wsbc	Nonaccrual Receivables Period NonaccrualReceivablesPeriod	P90D
CY2019	wsbc	Loans Returned To Accrual Status Performance Period LoansReturnedToAccrualStatusPerformancePeriod	P6M
CY2019Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	0
CY2019	wsbc	Period Of Interest Rate Lock Commitments PeriodOfInterestRateLockCommitments	P60D
CY2019	us-gaap	Net Income Loss NetIncomeLoss	158873000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	143112000
CY2018	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	42864
CY2017	us-gaap	Net Income Loss NetIncomeLoss	94482000
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56108084
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	48889041
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	44003208
CY2019	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	106280
CY2018	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	133949
CY2017	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	72085
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56214364
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	49022990
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	44075293
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.83
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.93
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.15
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.83
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.92
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.14
CY2019Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	2369416000
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	30863000
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	6721000
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	2393558000
CY2018Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	2142056000
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	5861000
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	33788000
CY2018Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	2114129000
CY2019Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	851753000
CY2019Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	23405000
CY2019Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	635000
CY2019Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	874523000
CY2018Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	1020934000
CY2018Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	8993000
CY2018Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	9184000
CY2018Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1020743000
CY2019Q4	wsbc	Securities Amortized Cost SecuritiesAmortizedCost	3221169000
CY2019Q4	us-gaap	Investment Owned Unrecognized Unrealized Appreciation InvestmentOwnedUnrecognizedUnrealizedAppreciation	54268000
CY2019Q4	us-gaap	Investment Owned Unrecognized Unrealized Depreciation InvestmentOwnedUnrecognizedUnrealizedDepreciation	7356000
CY2019Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	3268081000
CY2018Q4	us-gaap	Investment Owned Unrecognized Unrealized Appreciation InvestmentOwnedUnrecognizedUnrealizedAppreciation	14854000
CY2018Q4	wsbc	Securities Amortized Cost SecuritiesAmortizedCost	3162990000
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	82100000
CY2017	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	7800000
CY2018Q4	us-gaap	Pledged Assets Not Separately Reported Other Financial Instruments PledgedAssetsNotSeparatelyReportedOtherFinancialInstruments	2000000000.0
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	125800000
CY2018Q4	us-gaap	Investment Owned Unrecognized Unrealized Depreciation InvestmentOwnedUnrecognizedUnrealizedDepreciation	42972000
CY2018Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	3134872000
CY2019Q4	wsbc	Number Of Holdings Greater Than Specified Percentage Of Equity NumberOfHoldingsGreaterThanSpecifiedPercentageOfEquity	0
CY2018Q4	wsbc	Number Of Holdings Greater Than Specified Percentage Of Equity NumberOfHoldingsGreaterThanSpecifiedPercentageOfEquity	0
CY2019Q4	wsbc	Maximum Percentage Of Equity Of One Issuer MaximumPercentageOfEquityOfOneIssuer	0.10
CY2019Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	12300000
CY2018Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	11700000
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis	60162000
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	60188000
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis	145702000
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	147933000
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis	409137000
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	415068000
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis	1754415000
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue	1770369000
CY2019Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	2369416000
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	2393558000
CY2019Q4	us-gaap	Heldtomaturity Securities Debt Maturities Next Rolling Twelve Months Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCost	20968000
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities Next Rolling Twelve Months Fair Value HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	21040000
CY2019Q4	us-gaap	Heldtomaturity Securities Debt Maturities Rolling Year Two Through Five Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCost	124311000
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Two Through Five Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	128105000
CY2019Q4	us-gaap	Heldtomaturity Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCost	316440000
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Six Through Ten Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	325593000
CY2019Q4	us-gaap	Heldtomaturity Securities Debt Maturities Rolling After Ten Years Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingAfterTenYearsAmortizedCost	390034000
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities Rolling After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue	399785000
CY2019Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	851753000
CY2019Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	874523000
CY2019Q4	wsbc	Debt Securities Available For Sale And Held To Maturity Amortized Cost DebtSecuritiesAvailableForSaleAndHeldToMaturityAmortizedCost	3221169000
CY2019Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	3268081000
CY2019Q4	us-gaap	Pledged Assets Not Separately Reported Other Financial Instruments PledgedAssetsNotSeparatelyReportedOtherFinancialInstruments	2000000000.0
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	20700000
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-21500000
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-13300000
CY2019	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	4320000
CY2018	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	-900000
CY2017	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	567000
CY2019Q4	wsbc	Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value SecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	668960000
CY2019Q4	wsbc	Securities Continuous Unrealized Loss Position Less Than Twelve Months Aggregate Losses Accumulated In Investments SecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsAggregateLossesAccumulatedInInvestments	4290000
CY2019Q4	wsbc	Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions Less Than One Year SecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsLessThanOneYear	172
CY2019Q4	wsbc	Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value SecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	292520000
CY2019Q4	wsbc	Securities Continuous Unrealized Loss Position Twelve Months Or Longer Aggregate Losses Accumulated In Investments SecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerAggregateLossesAccumulatedInInvestments	3066000
CY2019Q4	wsbc	Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions Greater Than Or Equal To One Year SecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsGreaterThanOrEqualToOneYear	136
CY2019Q4	wsbc	Securities Continuous Unrealized Loss Position Fair Value SecuritiesContinuousUnrealizedLossPositionFairValue	961480000
CY2019Q4	wsbc	Securities Continuous Unrealized Loss Position Aggregate Losses Accumulated In Investments SecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedInInvestments	-7356000
CY2019Q4	wsbc	Investment Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions InvestmentSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions	308
CY2018Q4	wsbc	Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value SecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	466878000
CY2019Q4	wsbc	Unaccreted Discount On Loans Purchased UnaccretedDiscountOnLoansPurchased	51900000
CY2018Q4	wsbc	Securities Continuous Unrealized Loss Position Less Than Twelve Months Aggregate Losses Accumulated In Investments SecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsAggregateLossesAccumulatedInInvestments	3372000
CY2018Q4	wsbc	Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions Less Than One Year SecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsLessThanOneYear	284
CY2018Q4	wsbc	Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value SecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	1425284000
CY2018Q4	wsbc	Securities Continuous Unrealized Loss Position Twelve Months Or Longer Aggregate Losses Accumulated In Investments SecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerAggregateLossesAccumulatedInInvestments	39600000
CY2018Q4	wsbc	Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions Greater Than Or Equal To One Year SecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsGreaterThanOrEqualToOneYear	837
CY2018Q4	wsbc	Securities Continuous Unrealized Loss Position Fair Value SecuritiesContinuousUnrealizedLossPositionFairValue	1892162000
CY2018Q4	wsbc	Securities Continuous Unrealized Loss Position Aggregate Losses Accumulated In Investments SecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedInInvestments	-42972000
CY2018Q4	wsbc	Investment Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions InvestmentSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions	1121
CY2019Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	66800000
CY2018Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	50800000
CY2019Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	4800000
CY2018Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	3200000
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	48948000
CY2018Q4	wsbc	Unaccreted Discount On Loans Purchased UnaccretedDiscountOnLoansPurchased	49300000
CY2019Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	10267985000
CY2018Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	7656281000
CY2019Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	43013000
CY2018Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	8994000
CY2019Q4	us-gaap	Notes Receivable Net NotesReceivableNet	10310998000
CY2018Q4	us-gaap	Notes Receivable Net NotesReceivableNet	7665275000
CY2018Q4	wsbc	Allowance For Loan Commitments AllowanceForLoanCommitments	741000
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	49689000
CY2019	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	11065000
CY2019	wsbc	Financing Receivable Allowance For Credit Commitments Provision Recovery FinancingReceivableAllowanceForCreditCommitmentsProvisionRecovery	133000
CY2019	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	11198000
CY2019Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Carrying Amount Net CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet	14513000
CY2019	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	12657000
CY2019	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	5073000
CY2019	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	7584000
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	52429000
CY2019Q4	wsbc	Allowance For Loan Commitments AllowanceForLoanCommitments	874000
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	53303000
CY2017Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	45284000
CY2017Q4	wsbc	Allowance For Loan Commitments AllowanceForLoanCommitments	574000
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	45858000
CY2018	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	7597000
CY2018	wsbc	Financing Receivable Allowance For Credit Commitments Provision Recovery FinancingReceivableAllowanceForCreditCommitmentsProvisionRecovery	167000
CY2018	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	7764000
CY2018	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	10567000
CY2018	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	6634000
CY2018	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	3933000
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	48948000
CY2018Q4	wsbc	Allowance For Loan Commitments AllowanceForLoanCommitments	741000
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	49689000
CY2016Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	43674000
CY2016Q4	wsbc	Allowance For Loan Commitments AllowanceForLoanCommitments	571000
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	44245000
CY2017	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	9983000
CY2017	wsbc	Financing Receivable Allowance For Credit Commitments Provision Recovery FinancingReceivableAllowanceForCreditCommitmentsProvisionRecovery	3000
CY2017	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	9986000
CY2017	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	12689000
CY2017	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	4316000
CY2017	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	8373000
CY2017Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	45284000
CY2017Q4	wsbc	Allowance For Loan Commitments AllowanceForLoanCommitments	574000
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	45858000
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	124000
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	52305000
CY2019Q4	wsbc	Allowance For Loan Commitments AllowanceForLoanCommitments	874000
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	53303000
CY2019Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	21017000
CY2019Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	10232455000
CY2019Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	10267985000
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	48948000
CY2018Q4	wsbc	Allowance For Loan Commitments AllowanceForLoanCommitments	741000
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	49689000
CY2018Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	7646540000
CY2018Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Carrying Amount Net CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet	9741000
CY2018Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	7656281000
CY2019	wsbc	Threshold For Individually Evaluating Commercial Loans For Impairment ThresholdForIndividuallyEvaluatingCommercialLoansForImpairment	1000000
CY2018	wsbc	Threshold For Individually Evaluating Commercial Loans For Impairment ThresholdForIndividuallyEvaluatingCommercialLoansForImpairment	1000000
CY2019Q4	wsbc	Residential Real Estate Home Equity And Consumer Loans Classified As Substandard ResidentialRealEstateHomeEquityAndConsumerLoansClassifiedAsSubstandard	28300000
CY2018Q4	wsbc	Residential Real Estate Home Equity And Consumer Loans Classified As Substandard ResidentialRealEstateHomeEquityAndConsumerLoansClassifiedAsSubstandard	22900000
CY2019Q4	wsbc	Residential Real Estate Home Equity And Consumer Loans Classified As Substandard And Accruing ResidentialRealEstateHomeEquityAndConsumerLoansClassifiedAsSubstandardAndAccruing	5100000
CY2018Q4	wsbc	Residential Real Estate Home Equity And Consumer Loans Classified As Substandard And Accruing ResidentialRealEstateHomeEquityAndConsumerLoansClassifiedAsSubstandardAndAccruing	3900000
CY2019Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	11613000
CY2019	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications From Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference	3213000
CY2018	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications From Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference	7052000
CY2019	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	6125000
CY2018	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	2682000
CY2019Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	3072000
CY2018Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	7610687000
CY2018Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	45594000
CY2018Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	7656281000
CY2018Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	6203000
CY2017Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	1724000
CY2019	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Additions CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions	1602000
CY2018	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Additions CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions	885000
CY2019	wsbc	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reductions CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReductions	1821000
CY2018	wsbc	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reductions CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReductions	776000
CY2018Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	6203000
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	10195872000
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	72113000
CY2019Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	10267985000
CY2019Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	11613000
CY2019Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	43013000
CY2019Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	43013000
CY2019Q4	wsbc	Loans Receivable Net Current LoansReceivableNetCurrent	10238885000
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	72113000
CY2019Q4	us-gaap	Notes Receivable Net NotesReceivableNet	10310998000
CY2018Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	4077000
CY2018Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	8994000
CY2018Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	8994000
CY2018Q4	wsbc	Loans Receivable Net Current LoansReceivableNetCurrent	7619681000
CY2018Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	45594000
CY2018Q4	us-gaap	Notes Receivable Net NotesReceivableNet	7665275000
CY2018Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	4077000
CY2019	wsbc	Loans Past Due And Accruing Interest Excluding Tdrs LoansPastDueAndAccruingInterestExcludingTDRS	P90D
CY2019Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	45717000
CY2019Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	41097000
CY2018Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	45688000
CY2018Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	36444000
CY2019Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	10000000
CY2019Q4	wsbc	Impaired Financing Receivable With Specific Allowance ImpairedFinancingReceivableWithSpecificAllowance	124000
CY2019Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	9247000
CY2019Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	55717000
CY2019Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	50344000
CY2019Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	124000
CY2018Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	45688000
CY2018Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	36444000
CY2019	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	32311000
CY2019	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	341000
CY2018	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	38781000
CY2018	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	665000
CY2017	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	38204000
CY2017	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	722000
CY2019	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	7995000
CY2018	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	842000
CY2017	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	4700000
CY2019	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	40306000
CY2019	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	341000
CY2018	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	39623000
CY2018	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	665000
CY2017	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	42904000
CY2017	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	722000
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	44913000
CY2018Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	30700000
CY2019Q4	wsbc	Nonaccrual Loans Outstanding Greater Than One Million Dollars Per Borrower Number Of Borrowers NonaccrualLoansOutstandingGreaterThanOneMillionDollarsPerBorrowerNumberOfBorrowers	2
CY2019Q4	wsbc	Large Amount Of Nonaccrual Loans Outstanding Minimum Loan Amount Per Borrower LargeAmountOfNonaccrualLoansOutstandingMinimumLoanAmountPerBorrower	1000000.0
CY2019Q4	wsbc	Large Amount Of Nonaccrual Loans Outstanding Net Loan Amount Of All Borrowers LargeAmountOfNonaccrualLoansOutstandingNetLoanAmountOfAllBorrowers	14200
CY2018Q4	wsbc	Nonaccrual Loans Outstanding Greater Than One Million Dollars Per Borrower Number Of Borrowers NonaccrualLoansOutstandingGreaterThanOneMillionDollarsPerBorrowerNumberOfBorrowers	1
CY2018Q4	wsbc	Large Amount Of Nonaccrual Loans Outstanding Minimum Loan Amount Per Borrower LargeAmountOfNonaccrualLoansOutstandingMinimumLoanAmountPerBorrower	1000000.0
CY2018Q4	wsbc	Large Amount Of Nonaccrual Loans Outstanding Net Loan Amount Of All Borrowers LargeAmountOfNonaccrualLoansOutstandingNetLoanAmountOfAllBorrowers	3400
CY2019Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	6853000
CY2018Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	8599000
CY2018	wsbc	Number Of Restructured Contracts Greater Than One Million NumberOfRestructuredContractsGreaterThanOneMillion	0
CY2019	wsbc	Number Of Restructured Contracts Greater Than One Million NumberOfRestructuredContractsGreaterThanOneMillion	0
CY2018Q4	wsbc	Disclosure Threshold For Restructured Contracts DisclosureThresholdForRestructuredContracts	1000000.0
CY2019Q4	wsbc	Disclosure Threshold For Restructured Contracts DisclosureThresholdForRestructuredContracts	1000000.0
CY2019	wsbc	Extensions Of Maturity Combined With Interest Only For Period Of Less Than Year ExtensionsOfMaturityCombinedWithInterestOnlyForPeriodOfLessThanYear	P3M
CY2019Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	3300000
CY2018Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	100000
CY2019	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	11
CY2019	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	1093000
CY2019	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	1037000
CY2018	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	17
CY2018	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	1455000
CY2018	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	1316000
CY2019	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	3
CY2019	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	204000
CY2018	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	2
CY2018	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	109000
CY2019	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	40306000
CY2018	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	39623000
CY2017	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	42904000
CY2019	wsbc	Loans And Leases Receivable Impaired Contractual Interest Income LoansAndLeasesReceivableImpairedContractualInterestIncome	3047000
CY2018	wsbc	Loans And Leases Receivable Impaired Contractual Interest Income LoansAndLeasesReceivableImpairedContractualInterestIncome	2631000
CY2017	wsbc	Loans And Leases Receivable Impaired Contractual Interest Income LoansAndLeasesReceivableImpairedContractualInterestIncome	3089000
CY2019	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	341000
CY2018	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	665000
CY2017	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	722000
CY2019Q4	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	4062000
CY2018Q4	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	7173000
CY2019Q4	us-gaap	Other Foreclosed Assets OtherForeclosedAssets	116000
CY2018Q4	us-gaap	Other Foreclosed Assets OtherForeclosedAssets	92000
CY2019Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	4178000
CY2018Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	7265000
CY2019Q4	us-gaap	Land And Land Improvements LandAndLandImprovements	66609000
CY2018Q4	us-gaap	Land And Land Improvements LandAndLandImprovements	55986000
CY2019Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	221139000
CY2018Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	167044000
CY2019Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	102171000
CY2018Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	76870000
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	389919000
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	132975000
CY2019Q4	wsbc	Operating Lease And Finance Lease Right Of Use Asset OperatingLeaseAndFinanceLeaseRightOfUseAsset	58532000
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	299900000
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	187437000
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	261014000
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	166925000
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	11500000
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	10500000
CY2017	us-gaap	Depreciation And Amortization DepreciationAndAmortization	10400000
CY2019Q4	wsbc	Capitalized Right Of Use Asset And Lease Liabilities To Be Regcognize Upon Adoption Of Asu CapitalizedRightOfUseAssetAndLeaseLiabilitiesToBeRegcognizeUponAdoptionOfASU	20000000
CY2019Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	8992000
CY2019Q4	wsbc	Lease Liability Payments Due LeaseLiabilityPaymentsDue	82064000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	16559000
CY2019Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	3414000
CY2019Q4	wsbc	Lease Liability Undiscounted Excess Amount LeaseLiabilityUndiscountedExcessAmount	19973000
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	56513000
CY2019Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	5578000
CY2019Q4	wsbc	Lease Liability LeaseLiability	62091000
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P15Y10M24D
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	53600000
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	56500000
CY2019	us-gaap	Operating Lease Expense OperatingLeaseExpense	5400000
CY2018	us-gaap	Operating Lease Expense OperatingLeaseExpense	4500000
CY2017	us-gaap	Operating Lease Expense OperatingLeaseExpense	4200000
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0293
CY2019Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P15Y3M18D
CY2019Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	5000000.0
CY2019Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	5600000
CY2019Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0377
CY2019	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	400000
CY2018	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	400000
CY2017	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	400000
CY2019	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	200000
CY2018	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	200000
CY2017	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	200000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	6517000
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	851000
CY2019Q4	wsbc	Lease Liability Payments Due Next Twelve Months LeaseLiabilityPaymentsDueNextTwelveMonths	7368000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	5948000
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	855000
CY2019Q4	wsbc	Lease Liability Payments Due Year Two LeaseLiabilityPaymentsDueYearTwo	6803000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	5177000
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	873000
CY2019Q4	wsbc	Lease Liability Payments Due Year Three LeaseLiabilityPaymentsDueYearThree	6050000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	4649000
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	885000
CY2019Q4	wsbc	Lease Liability Payments Due Year Four LeaseLiabilityPaymentsDueYearFour	5534000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	4164000
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	890000
CY2019Q4	wsbc	Lease Liability Payments Due Year Five LeaseLiabilityPaymentsDueYearFive	5054000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	46617000
CY2019Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	4638000
CY2019Q4	wsbc	Lease Liability Payments Due After Year Five LeaseLiabilityPaymentsDueAfterYearFive	51255000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	73072000
CY2019Q4	us-gaap	Goodwill Goodwill	1100000000
CY2018Q4	us-gaap	Goodwill Goodwill	900000000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	80400000
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	57000000.0
CY2019	wsbc	Amortization Of Core Deposits And Customer List AmortizationOfCoreDepositsAndCustomerList	10100000
CY2018	wsbc	Amortization Of Core Deposits And Customer List AmortizationOfCoreDepositsAndCustomerList	6400000
CY2017	wsbc	Amortization Of Core Deposits And Customer List AmortizationOfCoreDepositsAndCustomerList	4100000
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	119387000
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	85796000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	38954000
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	28830000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	80433000
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	56966000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	14838000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	13085000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	11584000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	9963000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	8659000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	22304000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	80433000
CY2019	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	2600000
CY2018	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	2100000
CY2017	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	1500000
CY2019	wsbc	Number Of Limited Partnerships Held NumberOfLimitedPartnershipsHeld	8
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From One To Two Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate	340205000
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate One To Two Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOneToTwoYearsFromBalanceSheetDate	0.0254
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Two To Three Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate	17940000
CY2019	us-gaap	Interest Expense Time Deposits100000 Or More InterestExpenseTimeDeposits100000OrMore	8000000.0
CY2018	us-gaap	Interest Expense Time Deposits100000 Or More InterestExpenseTimeDeposits100000OrMore	8300000
CY2017	us-gaap	Interest Expense Time Deposits100000 Or More InterestExpenseTimeDeposits100000OrMore	4400000
CY2019Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	1200000000
CY2018Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	700000000
CY2019Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	1283904000
CY2019Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	365298000
CY2019Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	158718000
CY2019Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	113453000
CY2019Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	84723000
CY2019Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	49824000
CY2019Q4	us-gaap	Time Deposits TimeDeposits	2055920000
CY2019Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	1400000000
CY2018Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	1100000000
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate At Period End FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateAtPeriodEnd	0.0227
CY2018Q4	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate At Period End FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateAtPeriodEnd	0.0235
CY2019Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	66800000
CY2018Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	50800000
CY2019Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Maximum Amount Available FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable	3200000000
CY2018Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Maximum Amount Available FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable	2300000000
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	1055924000
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Two To Three Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateTwoToThreeYearsFromBalanceSheetDate	0.0291
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Of Amounts Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueWithinOneYearOfBalanceSheetDate	0.0217
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate After Five Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateAfterFiveYearsFromBalanceSheetDate	0.0140
CY2019	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-2536000
CY2019Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-13760000
CY2019Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	1415615000
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Weighted Average Interest Rate FederalHomeLoanBankAdvancesWeightedAverageInterestRate	0.0227
CY2019Q4	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	282400000
CY2018Q4	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	290500000
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	274900000
CY2018Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	290500000
CY2019Q4	us-gaap	Federal Funds Purchased FederalFundsPurchased	7500000
CY2018Q4	us-gaap	Federal Funds Purchased FederalFundsPurchased	0
CY2019Q4	us-gaap	Subordinated Debt SubordinatedDebt	61600000
CY2019	wsbc	Description Of Deferment Period For Payment Of Interest On Junior Subordinated Debt Under Trust DescriptionOfDefermentPeriodForPaymentOfInterestOnJuniorSubordinatedDebtUnderTrust	20 consecutive quarterly periods
CY2019	wsbc	Minimum Assets To Continue Counting Existing Trust Preferred Securities MinimumAssetsToContinueCountingExistingTrustPreferredSecurities	15000000000
CY2019Q4	wsbc	Trust Preferred Securities Outstanding TrustPreferredSecuritiesOutstanding	133987000
CY2019Q4	wsbc	Trust Preferred Securities Common Securities TrustPreferredSecuritiesCommonSecurities	4235000
CY2019Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	138222000
CY2019Q4	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	399900000
CY2018Q4	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	229800000
CY2019Q4	us-gaap	Derivative Assets DerivativeAssets	14629000
CY2019Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	16205000
CY2018Q4	us-gaap	Derivative Assets DerivativeAssets	4775000
CY2018Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	5315000
CY2018	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	131000
CY2017	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-196000
CY2019Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	33700000
CY2019	wsbc	Defined Benefit Pension Plan Benefits Bases On Period Of Service And Compensation DefinedBenefitPensionPlanBenefitsBasesOnPeriodOfServiceAndCompensation	P5Y
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	142980000
CY2018Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	120445000
CY2018Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	128758000
CY2017Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	130307000
CY2019	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	2248000
CY2018	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	2835000
CY2019	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	5266000
CY2018	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	4517000
CY2019	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	22395000
CY2018	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-12458000
CY2018	us-gaap	Defined Benefit Plan Business Combinations And Acquisitions Benefit Obligation DefinedBenefitPlanBusinessCombinationsAndAcquisitionsBenefitObligation	8560000
CY2019	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	4707000
CY2018	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	5003000
CY2019Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	153960000
CY2018Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	128758000
CY2018Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	141108000
CY2017Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	142422000
CY2019	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	28319000
CY2018	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	-5587000
CY2019	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	3000000
CY2018	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	2500000
CY2018	us-gaap	Defined Benefit Plan Business Combinations And Acquisitions Plan Assets DefinedBenefitPlanBusinessCombinationsAndAcquisitionsPlanAssets	6776000
CY2018Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-12351000
CY2019Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	167720000
CY2018Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	141108000
CY2019	us-gaap	Defined Benefit Plan Plan Assets Benefits Paid DefinedBenefitPlanPlanAssetsBenefitsPaid	4707000
CY2018	us-gaap	Defined Benefit Plan Plan Assets Benefits Paid DefinedBenefitPlanPlanAssetsBenefitsPaid	5003000
CY2018Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	24780000
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	24538000
CY2019Q4	us-gaap	Defined Benefit Plan Amounts Recognized In Balance Sheet DefinedBenefitPlanAmountsRecognizedInBalanceSheet	13760000
CY2018Q4	us-gaap	Defined Benefit Plan Amounts Recognized In Balance Sheet DefinedBenefitPlanAmountsRecognizedInBalanceSheet	12351000
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	52000
CY2018Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	78000
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	24486000
CY2018Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	24858000
CY2019Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0338
CY2018Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0448
CY2019Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease	0.0353
CY2018Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease	0.0362
CY2019Q4	wsbc	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationCostExpectedLongTermReturnOnAssets	0.0630
CY2018Q4	wsbc	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationCostExpectedLongTermReturnOnAssets	0.0630
CY2019	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	2248000
CY2018	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	2835000
CY2017	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	2578000
CY2019	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	5266000
CY2018	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	4517000
CY2017	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	4393000
CY2019	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	8869000
CY2018	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	8939000
CY2017	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	7647000
CY2019	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	26000
CY2018	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	26000
CY2017	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	26000
CY2019	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	3240000
CY2018	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	3053000
CY2017	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	3221000
CY2019	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	1911000
CY2018	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	1492000
CY2017	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	2571000
CY2019	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	2946000
CY2018	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	2068000
CY2017	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	-300000
CY2018	wsbc	Defined Benefit Plan Unrecognized Gain Loss On Merged Plan DefinedBenefitPlanUnrecognizedGainLossOnMergedPlan	1429000
CY2019	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	26000
CY2018	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	26000
CY2017	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	26000
CY2019Q4	us-gaap	Defined Benefit Plan Expected Amortization Of Gain Loss Next Fiscal Year DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear	-3240000
CY2018Q4	us-gaap	Defined Benefit Plan Expected Amortization Of Gain Loss Next Fiscal Year DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear	-3053000
CY2017Q4	us-gaap	Defined Benefit Plan Expected Amortization Of Gain Loss Next Fiscal Year DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear	-3221000
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-320000
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	418000
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-3547000
CY2019	wsbc	Defined Benefit Plan Amounts Recognized In Net Periodic Pension Cost And Other Comprehensive Income DefinedBenefitPlanAmountsRecognizedInNetPeriodicPensionCostAndOtherComprehensiveIncome	1591000
CY2018	wsbc	Defined Benefit Plan Amounts Recognized In Net Periodic Pension Cost And Other Comprehensive Income DefinedBenefitPlanAmountsRecognizedInNetPeriodicPensionCostAndOtherComprehensiveIncome	1910000
CY2017	wsbc	Defined Benefit Plan Amounts Recognized In Net Periodic Pension Cost And Other Comprehensive Income DefinedBenefitPlanAmountsRecognizedInNetPeriodicPensionCostAndOtherComprehensiveIncome	-976000
CY2019	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0448
CY2018	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0381
CY2017	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0446
CY2019	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease	0.0362
CY2018	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease	0.0370
CY2017	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease	0.0374
CY2019	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.0630
CY2018	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.0630
CY2019Q4	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1
CY2018Q4	us-gaap	Defined Benefit Plan Number Of Shares Of Equity Securities Issued By Employer And Related Parties Included In Plan Assets DefinedBenefitPlanNumberOfSharesOfEquitySecuritiesIssuedByEmployerAndRelatedPartiesIncludedInPlanAssets	55300
CY2017	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.0630
CY2019	wsbc	Future Defined Benefit Plan Amortization Of Net Gains Losses FutureDefinedBenefitPlanAmortizationOfNetGainsLosses	3100000
CY2019	wsbc	Future Defined Benefit Plan Amortization Of Net Prior Service Cost Credit FutureDefinedBenefitPlanAmortizationOfNetPriorServiceCostCredit	26000
CY2019	wsbc	Period Of Amortization Of Unrecognized Net Losses PeriodOfAmortizationOfUnrecognizedNetLosses	P8Y
CY2019	wsbc	Maximum Percentage Of Investment In Any Stock MaximumPercentageOfInvestmentInAnyStock	0.05
CY2019	wsbc	Maximum Common Stock Percentage Of Market Value Of Investee MaximumCommonStockPercentageOfMarketValueOfInvestee	0.05
CY2019	wsbc	Maximum Percentage Of Investment In Any Bond Or Note MaximumPercentageOfInvestmentInAnyBondOrNote	0.05
CY2019	wsbc	Defined Benefit Pension Plan Investment Period Maximum Term For Bonds Or Notes DefinedBenefitPensionPlanInvestmentPeriodMaximumTermForBondsOrNotes	P20Y
CY2019Q4	us-gaap	Defined Benefit Plan Number Of Shares Of Equity Securities Issued By Employer And Related Parties Included In Plan Assets DefinedBenefitPlanNumberOfSharesOfEquitySecuritiesIssuedByEmployerAndRelatedPartiesIncludedInPlanAssets	55300
CY2018Q4	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1
CY2019Q4	wsbc	Defined Benefit Plan Fair Value Of Plan Assets Excluding Cash Accrued Interest And Dividends And Due To From Brokers DefinedBenefitPlanFairValueOfPlanAssetsExcludingCashAccruedInterestAndDividendsAndDueToFromBrokers	169261000
CY2019Q4	wsbc	Defined Benefit Plan Net Assets Available For Benefits DefinedBenefitPlanNetAssetsAvailableForBenefits	167900000
CY2018Q4	wsbc	Defined Benefit Plan Fair Value Of Plan Assets Excluding Cash Accrued Interest And Dividends And Due To From Brokers DefinedBenefitPlanFairValueOfPlanAssetsExcludingCashAccruedInterestAndDividendsAndDueToFromBrokers	141108000
CY2018Q4	wsbc	Defined Benefit Plan Net Assets Available For Benefits DefinedBenefitPlanNetAssetsAvailableForBenefits	141400000
CY2019	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	3000000.0
CY2018	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	2500000
CY2017	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	5000000.0
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	5644000
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	5940000
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	6287000
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	6679000
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	7039000
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	40102000
CY2019	wsbc	Defined Contribution Plan Percentage Of First Eligible Employee Contribution Matched By Employer DefinedContributionPlanPercentageOfFirstEligibleEmployeeContributionMatchedByEmployer	1
CY2018	wsbc	Defined Contribution Plan Percentage Of First Eligible Employee Contribution Matched By Employer DefinedContributionPlanPercentageOfFirstEligibleEmployeeContributionMatchedByEmployer	1
CY2017	wsbc	Defined Contribution Plan Percentage Of First Eligible Employee Contribution Matched By Employer DefinedContributionPlanPercentageOfFirstEligibleEmployeeContributionMatchedByEmployer	1
CY2019	wsbc	Eligible Employee Contributions Specified Percentage One EligibleEmployeeContributionsSpecifiedPercentageOne	0.03
CY2018	wsbc	Eligible Employee Contributions Specified Percentage One EligibleEmployeeContributionsSpecifiedPercentageOne	0.03
CY2017	wsbc	Eligible Employee Contributions Specified Percentage One EligibleEmployeeContributionsSpecifiedPercentageOne	0.03
CY2019	wsbc	Defined Contribution Plan Percentage Of Next Eligible Employee Contribution Matched By Employer DefinedContributionPlanPercentageOfNextEligibleEmployeeContributionMatchedByEmployer	0.50
CY2018	wsbc	Defined Contribution Plan Percentage Of Next Eligible Employee Contribution Matched By Employer DefinedContributionPlanPercentageOfNextEligibleEmployeeContributionMatchedByEmployer	0.50
CY2017	wsbc	Defined Contribution Plan Percentage Of Next Eligible Employee Contribution Matched By Employer DefinedContributionPlanPercentageOfNextEligibleEmployeeContributionMatchedByEmployer	0.50
CY2019	wsbc	Eligible Employee Contributions Specified Percentage Two EligibleEmployeeContributionsSpecifiedPercentageTwo	0.02
CY2018	wsbc	Eligible Employee Contributions Specified Percentage Two EligibleEmployeeContributionsSpecifiedPercentageTwo	0.02
CY2017	wsbc	Eligible Employee Contributions Specified Percentage Two EligibleEmployeeContributionsSpecifiedPercentageTwo	0.02
CY2019	us-gaap	Employee Stock Ownership Plan Esop Cash Contributions To Esop EmployeeStockOwnershipPlanESOPCashContributionsToESOP	0
CY2018	us-gaap	Employee Stock Ownership Plan Esop Cash Contributions To Esop EmployeeStockOwnershipPlanESOPCashContributionsToESOP	0
CY2017	us-gaap	Employee Stock Ownership Plan Esop Cash Contributions To Esop EmployeeStockOwnershipPlanESOPCashContributionsToESOP	0
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	100000
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	900000
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	200000
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	30000
CY2019	wsbc	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options In Cash EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptionsInCash	1800000
CY2018	wsbc	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options In Cash EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptionsInCash	200000
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	6.02
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y7M6D
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y2M12D
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y2M12D
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0218
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0295
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0191
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0280
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0254
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0267
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.2197
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.2127
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.2147
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	6.36
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	8.54
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	393625
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	37.15
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	129850
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	38.93
CY2019	us-gaap	Stock Issued During Period Shares Acquisitions StockIssuedDuringPeriodSharesAcquisitions	220615
CY2019	wsbc	Share Based Compensation Arrangements By Share Based Payment Award Options Assumed In Acquisition Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsAssumedInAcquisitionWeightedAverageExercisePrice	21.99
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	7375
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	21.31
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	3275
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	38.82
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	733440
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	33.06
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	668640
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	32.49
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	4200000
CY2019Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	4200000
CY2019Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	668640
CY2018	wsbc	Consulting Regulatory And Other Advisory Expenses ConsultingRegulatoryAndOtherAdvisoryExpenses	6976000
CY2019Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	733440
CY2019Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	33.06
CY2019	wsbc	Consulting Regulatory And Other Advisory Expenses ConsultingRegulatoryAndOtherAdvisoryExpenses	8993000
CY2018	wsbc	Electronic Banking Fees ElectronicBankingFees	23300000
CY2019	wsbc	Non Interest Income Derived From Mortgage Banking Activities NonInterestIncomeDerivedFromMortgageBankingActivities	8219000
CY2018	wsbc	Non Interest Income Derived From Mortgage Banking Activities NonInterestIncomeDerivedFromMortgageBankingActivities	5840000
CY2019	wsbc	Net Gain Loss On Other Real Estate Owned And Other Assets NetGainLossOnOtherRealEstateOwnedAndOtherAssets	732000
CY2019	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	6990000
CY2018	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	7186000
CY2019	wsbc	Electronic Banking Fees ElectronicBankingFees	22634000
CY2018	wsbc	Net Gain Loss On Other Real Estate Owned And Other Assets NetGainLossOnOtherRealEstateOwnedAndOtherAssets	524000
CY2019	wsbc	Other Miscellaneous Taxes OtherMiscellaneousTaxes	12813000
CY2018	wsbc	Other Miscellaneous Taxes OtherMiscellaneousTaxes	9847000
CY2017	wsbc	Other Miscellaneous Taxes OtherMiscellaneousTaxes	8423000
CY2017	wsbc	Consulting Regulatory And Other Advisory Expenses ConsultingRegulatoryAndOtherAdvisoryExpenses	6857000
CY2019	wsbc	Atm Interchange And Credit Card Expenses AtmInterchangeAndCreditCardExpenses	6931000
CY2018	wsbc	Atm Interchange And Credit Card Expenses AtmInterchangeAndCreditCardExpenses	5718000
CY2017	wsbc	Atm Interchange And Credit Card Expenses AtmInterchangeAndCreditCardExpenses	4510000
CY2019	us-gaap	Postage Expense PostageExpense	5334000
CY2018	us-gaap	Postage Expense PostageExpense	4143000
CY2017	us-gaap	Postage Expense PostageExpense	3879000
CY2019	us-gaap	Supplies Expense SuppliesExpense	4499000
CY2018	us-gaap	Supplies Expense SuppliesExpense	3180000
CY2017	us-gaap	Supplies Expense SuppliesExpense	3033000
CY2019	us-gaap	Legal Fees LegalFees	3054000
CY2018	us-gaap	Legal Fees LegalFees	2778000
CY2017	us-gaap	Legal Fees LegalFees	2781000
CY2019	us-gaap	Direct Operating Communications Costs DirectOperatingCommunicationsCosts	3720000
CY2018	us-gaap	Direct Operating Communications Costs DirectOperatingCommunicationsCosts	2569000
CY2017	us-gaap	Direct Operating Communications Costs DirectOperatingCommunicationsCosts	2487000
CY2019	wsbc	Other Real Estate Owned And Foreclosure Expense OtherRealEstateOwnedAndForeclosureExpense	397000
CY2018	wsbc	Other Real Estate Owned And Foreclosure Expense OtherRealEstateOwnedAndForeclosureExpense	831000
CY2017	wsbc	Other Real Estate Owned And Foreclosure Expense OtherRealEstateOwnedAndForeclosureExpense	1097000
CY2019	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	16915000
CY2018	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	14679000
CY2017	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	12263000
CY2019	us-gaap	Other Noninterest Expense OtherNoninterestExpense	62656000
CY2018	us-gaap	Other Noninterest Expense OtherNoninterestExpense	50721000
CY2017	us-gaap	Other Noninterest Expense OtherNoninterestExpense	45330000
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2018	wsbc	Change In Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability ChangeInIncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	100000
CY2017	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	12800000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.000
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.086
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.033
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.032
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.060
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.017
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.017
CY2017	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.013
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	0.006
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	0.008
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	0.011
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.022
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.016
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.017
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.012
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.009
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.002
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.178
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.180
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.363
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	22540000
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	20707000
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	24634000
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3977000
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3542000
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2061000
CY2017	wsbc	Deferred Income Tax Expense Benefit Tax Reform Remeasurement DeferredIncomeTaxExpenseBenefitTaxReformRemeasurement	12765000
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	7736000
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	6864000
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	13329000
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	88000
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	299000
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1018000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	34341000
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	31412000
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	53807000
CY2019	wsbc	Income Tax Amounts Recorded In Other Comprehensive Income Related To Securities And Defined Benefit Pension Plan IncomeTaxAmountsRecordedInOtherComprehensiveIncomeRelatedToSecuritiesAndDefinedBenefitPensionPlan	11570000
CY2018	wsbc	Income Tax Amounts Recorded In Other Comprehensive Income Related To Securities And Defined Benefit Pension Plan IncomeTaxAmountsRecordedInOtherComprehensiveIncomeRelatedToSecuritiesAndDefinedBenefitPensionPlan	-1250000
CY2017	wsbc	Income Tax Amounts Recorded In Other Comprehensive Income Related To Securities And Defined Benefit Pension Plan IncomeTaxAmountsRecordedInOtherComprehensiveIncomeRelatedToSecuritiesAndDefinedBenefitPensionPlan	345000
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	12788000
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	11207000
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	10389000
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	7144000
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	5851000
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	2536000
CY2019Q4	wsbc	Deferred Tax Assets Securities Gains And Losses DeferredTaxAssetsSecuritiesGainsAndLosses	3031000
CY2018Q4	wsbc	Deferred Tax Assets Securities Gains And Losses DeferredTaxAssetsSecuritiesGainsAndLosses	3707000
CY2017Q4	wsbc	Deferred Tax Assets Securities Gains And Losses DeferredTaxAssetsSecuritiesGainsAndLosses	821000
CY2018Q4	wsbc	Deferred Tax Assets Nonaccrual Interest Income DeferredTaxAssetsNonaccrualInterestIncome	1388000
CY2017Q4	wsbc	Deferred Tax Assets Nonaccrual Interest Income DeferredTaxAssetsNonaccrualInterestIncome	1389000
CY2018Q4	wsbc	Deferred Tax Liabilities Accretion On Securities DeferredTaxLiabilitiesAccretionOnSecurities	461000
CY2017Q4	wsbc	Deferred Tax Assets Purchase Accounting Adjustments DeferredTaxAssetsPurchaseAccountingAdjustments	1565000
CY2019Q4	wsbc	Deferred Tax Assets Nonaccrual Interest Income DeferredTaxAssetsNonaccrualInterestIncome	1297000
CY2017Q4	wsbc	Deferred Tax Liabilities Accretion On Securities DeferredTaxLiabilitiesAccretionOnSecurities	266000
CY2019Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Deferred Financing Costs DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts	2388000
CY2018Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Deferred Financing Costs DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts	1641000
CY2017Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Deferred Financing Costs DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts	2989000
CY2019Q4	wsbc	Deferred Tax Liabilities Purchase Accounting Adjustments DeferredTaxLiabilitiesPurchaseAccountingAdjustments	2787000
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	149000
CY2017Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	5204000
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	6923000
CY2018Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	4854000
CY2017Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	6062000
CY2018Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	6345000
CY2017Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	3962000
CY2019Q4	wsbc	Deferred Tax Assets Lease Accrual DeferredTaxAssetsLeaseAccrual	13787000
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	2314000
CY2018Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	2125000
CY2017Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1118000
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	47433000
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	35477000
CY2017Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	33046000
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	4014000
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	1020000
CY2017Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	1883000
CY2019Q4	wsbc	Deferred Tax Liabilities Accretion On Securities DeferredTaxLiabilitiesAccretionOnSecurities	339000
CY2018Q4	wsbc	Deferred Tax Liabilities Purchase Accounting Adjustments DeferredTaxLiabilitiesPurchaseAccountingAdjustments	1003000
CY2019Q4	wsbc	Deferred Tax Liabilities Fair Value Adjustments On Securities Available For Sale DeferredTaxLiabilitiesFairValueAdjustmentsOnSecuritiesAvailableForSale	5749000
CY2019Q4	wsbc	Deferred Tax Liabilities Partnership Adjustments DeferredTaxLiabilitiesPartnershipAdjustments	521000
CY2018Q4	wsbc	Deferred Tax Liabilities Partnership Adjustments DeferredTaxLiabilitiesPartnershipAdjustments	680000
CY2017Q4	wsbc	Deferred Tax Liabilities Partnership Adjustments DeferredTaxLiabilitiesPartnershipAdjustments	674000
CY2019Q4	wsbc	Deferred Tax Liabilities Lease Right Of Use Assets DeferredTaxLiabilitiesLeaseRightOfUseAssets	13064000
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	40000
CY2018Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	367000
CY2017Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	120000
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	28902000
CY2018Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	5172000
CY2017Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	5932000
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	18531000
CY2018Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	30305000
CY2017Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	27114000
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0
CY2019Q4	wsbc	Qualifying And Non Qualifying Tax Bad Debt Reserves QualifyingAndNonQualifyingTaxBadDebtReserves	45900000
CY2018Q4	wsbc	Qualifying And Non Qualifying Tax Bad Debt Reserves QualifyingAndNonQualifyingTaxBadDebtReserves	45900000
CY2019	wsbc	Qualifying And Non Qualifying Tax Bad Debt Reserves Income Tax QualifyingAndNonQualifyingTaxBadDebtReservesIncomeTax	0
CY2019Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Reserves And Accruals DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals	10800000
CY2018Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Reserves And Accruals DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals	10800000
CY2019	wsbc	Federal Income Tax Expense Applicable To Sales And Calls Of Securities FederalIncomeTaxExpenseApplicableToSalesAndCallsOfSecurities	1000000.0
CY2018	wsbc	Federal Income Tax Expense Applicable To Sales And Calls Of Securities FederalIncomeTaxExpenseApplicableToSalesAndCallsOfSecurities	-200000
CY2017	wsbc	Federal Income Tax Expense Applicable To Sales And Calls Of Securities FederalIncomeTaxExpenseApplicableToSalesAndCallsOfSecurities	200000
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	400000
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	500000
CY2019Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	500000
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	465000
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	467000
CY2019	wsbc	Fair Value Transfers Between Level FairValueTransfersBetweenLevel	0
CY2019Q4	wsbc	Loans Approved But Not Closed LoansApprovedButNotClosed	504623000
CY2018Q4	wsbc	Loans Approved But Not Closed LoansApprovedButNotClosed	258778000
CY2019Q4	wsbc	Overdraft Limits OverdraftLimits	149519000
CY2018Q4	wsbc	Overdraft Limits OverdraftLimits	153572000
CY2019Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	57205000
CY2018Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	42841000
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	436000
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	58000
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	68000
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	101000
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0
CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	89000
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	70000
CY2017	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	70000
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	434000
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	465000
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	467000
CY2018	wsbc	Fair Value Transfers Between Level FairValueTransfersBetweenLevel	0
CY2019	wsbc	Income Tax Expense Benefit Combined Federal And State Income Tax Rate IncomeTaxExpenseBenefitCombinedFederalAndStateIncomeTaxRate	0.23
CY2018	wsbc	Income Tax Expense Benefit Combined Federal And State Income Tax Rate IncomeTaxExpenseBenefitCombinedFederalAndStateIncomeTaxRate	0.23
CY2017	wsbc	Income Tax Expense Benefit Combined Federal And State Income Tax Rate IncomeTaxExpenseBenefitCombinedFederalAndStateIncomeTaxRate	0.37
CY2019	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	1970000
CY2018	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	1949000
CY2017	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	1958000
CY2019Q4	wsbc	Allowance For Loan Commitments AllowanceForLoanCommitments	900000
CY2018Q4	wsbc	Allowance For Loan Commitments AllowanceForLoanCommitments	700000
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CY2019Q4	wsbc	Delinquent Related Party Loans Outstanding DelinquentRelatedPartyLoansOutstanding	0
CY2018Q4	wsbc	Delinquent Related Party Loans Outstanding DelinquentRelatedPartyLoansOutstanding	0
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CY2019Q4	us-gaap	Due From Related Parties DueFromRelatedParties	8900000
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CY2019Q4	wsbc	Common Equity Tier One Capital Required To Be Well Capitalized To Average Assets CommonEquityTierOneCapitalRequiredToBeWellCapitalizedToAverageAssets	0.065
CY2019Q4	wsbc	Capital Required For Capital Minimum To Risk Weighted Assets CapitalRequiredForCapitalMinimumToRiskWeightedAssets	0.08
CY2019Q4	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.10
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CY2019Q4	wsbc	Trust Preferred Securities Included In Tier Two Capital TrustPreferredSecuritiesIncludedInTierTwoCapital	136500000
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CY2019Q4	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized To Average Assets TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	0.0500
CY2019Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	1441738000
CY2019Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.1130
CY2018Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	1258605000
CY2018Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.1074
CY2019Q4	wsbc	Common Equity Tier One Capital Required For Capital Adequacy To Average Assets CommonEquityTierOneCapitalRequiredForCapitalAdequacyToAverageAssets	0.0450
CY2019Q4	wsbc	Common Equity Tier One Capital Required To Be Well Capitalized To Average Assets CommonEquityTierOneCapitalRequiredToBeWellCapitalizedToAverageAssets	0.0650
CY2019Q4	us-gaap	Common Equity Tier One Capital CommonEquityTierOneCapital	1441738000
CY2019Q4	wsbc	Common Equity Tier One Capital To Average Assets CommonEquityTierOneCapitalToAverageAssets	0.1289
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CY2018Q4	wsbc	Common Equity Tier One Capital To Average Assets CommonEquityTierOneCapitalToAverageAssets	0.1314
CY2019Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.0600
CY2019Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.0800
CY2019Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	1441738000
CY2019Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.1289
CY2018Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	1258605000
CY2018Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.1509
CY2019Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.0800
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CY2018	us-gaap	Interest Expense InterestExpense	67721000
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CY2018	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	7764000
CY2018	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	339472000
CY2018	us-gaap	Noninterest Income NoninterestIncome	100276000
CY2018	us-gaap	Noninterest Expense NoninterestExpense	265224000
CY2019	us-gaap	Interest Expense InterestExpense	84349000
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CY2019	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	11198000
CY2019	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	388706000
CY2019	us-gaap	Noninterest Income NoninterestIncome	116716000
CY2019	us-gaap	Noninterest Expense NoninterestExpense	312208000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	193214000
CY2019Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.1512
CY2018Q4	us-gaap	Capital Capital	1333503000
CY2018Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.1599
CY2019	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2
CY2019	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	484253000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	174524000
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	31412000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	143112000
CY2017	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	332424000
CY2017	us-gaap	Interest Expense InterestExpense	42129000
CY2017	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	290295000
CY2017	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	9986000
CY2017	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	280309000
CY2017	us-gaap	Noninterest Income NoninterestIncome	88840000
CY2017	us-gaap	Noninterest Expense NoninterestExpense	220860000
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	148289000
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	53807000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	94482000
CY2019Q1	wsbc	Interest And Dividend Income InterestAndDividendIncome	119053000
CY2019Q2	wsbc	Interest And Dividend Income InterestAndDividendIncome	119543000
CY2019Q3	wsbc	Interest And Dividend Income InterestAndDividendIncome	117348000
CY2019Q4	wsbc	Interest And Dividend Income InterestAndDividendIncome	128309000
CY2019	wsbc	Interest And Dividend Income InterestAndDividendIncome	484253000
CY2019Q1	wsbc	Interest Expenses InterestExpenses	20692000
CY2019Q2	wsbc	Interest Expenses InterestExpenses	21083000
CY2019Q3	wsbc	Interest Expenses InterestExpenses	21228000
CY2019Q4	wsbc	Interest Expenses InterestExpenses	21345000
CY2019	wsbc	Interest Expenses InterestExpenses	84349000
CY2019Q1	wsbc	Net Interest Income NetInterestIncome	98361000
CY2019Q2	wsbc	Net Interest Income NetInterestIncome	98460000
CY2019Q3	wsbc	Net Interest Income NetInterestIncome	96120000
CY2019Q4	wsbc	Net Interest Income NetInterestIncome	106964000
CY2019	wsbc	Net Interest Income NetInterestIncome	399904000
CY2019Q3	us-gaap	Gain Loss On Investments GainLossOnInvestments	235000
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.74
CY2019Q4	us-gaap	Gain Loss On Investments GainLossOnInvestments	520000
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.82
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.68
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.60
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.83
CY2018Q1	wsbc	Interest And Dividend Income InterestAndDividendIncome	86417000
CY2018Q2	wsbc	Interest And Dividend Income InterestAndDividendIncome	98888000
CY2018Q3	wsbc	Interest And Dividend Income InterestAndDividendIncome	108393000
CY2019Q2	us-gaap	Gain Loss On Investments GainLossOnInvestments	2909000
CY2018Q4	wsbc	Interest And Dividend Income InterestAndDividendIncome	121387000
CY2019Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	2507000
CY2019Q2	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	2747000
CY2019Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	4121000
CY2019Q4	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1824000
CY2019	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	11198000
CY2019Q1	wsbc	Net Interest Income After Provision For Credit Losses NetInterestIncomeAfterProvisionForCreditLosses	95854000
CY2019Q2	wsbc	Net Interest Income After Provision For Credit Losses NetInterestIncomeAfterProvisionForCreditLosses	95713000
CY2019Q3	wsbc	Net Interest Income After Provision For Credit Losses NetInterestIncomeAfterProvisionForCreditLosses	91999000
CY2019Q4	wsbc	Net Interest Income After Provision For Credit Losses NetInterestIncomeAfterProvisionForCreditLosses	105140000
CY2019	wsbc	Net Interest Income After Provision For Credit Losses NetInterestIncomeAfterProvisionForCreditLosses	388706000
CY2019Q1	wsbc	Noninterest Income Excluding Net Securities Gains NoninterestIncomeExcludingNetSecuritiesGains	27116000
CY2019Q2	wsbc	Noninterest Income Excluding Net Securities Gains NoninterestIncomeExcludingNetSecuritiesGains	28247000
CY2019Q3	wsbc	Noninterest Income Excluding Net Securities Gains NoninterestIncomeExcludingNetSecuritiesGains	26715000
CY2019Q4	wsbc	Noninterest Income Excluding Net Securities Gains NoninterestIncomeExcludingNetSecuritiesGains	30318000
CY2019	wsbc	Noninterest Income Excluding Net Securities Gains NoninterestIncomeExcludingNetSecuritiesGains	112396000
CY2019Q1	us-gaap	Gain Loss On Investments GainLossOnInvestments	657000
CY2019	us-gaap	Gain Loss On Investments GainLossOnInvestments	4320000
CY2019Q1	us-gaap	Noninterest Expense NoninterestExpense	74432000
CY2019Q2	us-gaap	Noninterest Expense NoninterestExpense	71952000
CY2019Q3	us-gaap	Noninterest Expense NoninterestExpense	73268000
CY2019Q4	us-gaap	Noninterest Expense NoninterestExpense	92556000
CY2019	us-gaap	Noninterest Expense NoninterestExpense	312208000
CY2019Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	49195000
CY2019Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	54917000
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	45681000
CY2019Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	43422000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	193214000
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8858000
CY2019Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10103000
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8334000
CY2019Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7046000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	34341000
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	40337000
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	44814000
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	37347000
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	36376000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	158873000
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.74
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.82
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.68
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.60
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.83
CY2018	wsbc	Interest And Dividend Income InterestAndDividendIncome	414957000
CY2018Q1	wsbc	Interest Expenses InterestExpenses	13125000
CY2018Q4	us-gaap	Gain Loss On Investments GainLossOnInvestments	-1303000
CY2018	us-gaap	Gain Loss On Investments GainLossOnInvestments	-900000
CY2018Q2	wsbc	Interest Expenses InterestExpenses	16541000
CY2018Q3	wsbc	Interest Expenses InterestExpenses	18460000
CY2018Q4	wsbc	Interest Expenses InterestExpenses	19620000
CY2018	wsbc	Interest Expenses InterestExpenses	67721000
CY2018Q1	wsbc	Net Interest Income NetInterestIncome	73292000
CY2018Q2	wsbc	Net Interest Income NetInterestIncome	82347000
CY2018Q3	wsbc	Net Interest Income NetInterestIncome	89933000
CY2018Q4	wsbc	Net Interest Income NetInterestIncome	101767000
CY2018	wsbc	Net Interest Income NetInterestIncome	347236000
CY2018Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	2168000
CY2018Q2	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1708000
CY2018Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1035000
CY2018Q4	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	2854000
CY2018	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	7764000
CY2018Q1	wsbc	Net Interest Income After Provision For Credit Losses NetInterestIncomeAfterProvisionForCreditLosses	71124000
CY2018Q2	wsbc	Net Interest Income After Provision For Credit Losses NetInterestIncomeAfterProvisionForCreditLosses	80639000
CY2018Q3	wsbc	Net Interest Income After Provision For Credit Losses NetInterestIncomeAfterProvisionForCreditLosses	88898000
CY2018Q4	wsbc	Net Interest Income After Provision For Credit Losses NetInterestIncomeAfterProvisionForCreditLosses	98913000
CY2018	wsbc	Net Interest Income After Provision For Credit Losses NetInterestIncomeAfterProvisionForCreditLosses	339472000
CY2018Q1	wsbc	Noninterest Income Excluding Net Securities Gains NoninterestIncomeExcludingNetSecuritiesGains	24019000
CY2018Q2	wsbc	Noninterest Income Excluding Net Securities Gains NoninterestIncomeExcludingNetSecuritiesGains	23050000
CY2018Q3	wsbc	Noninterest Income Excluding Net Securities Gains NoninterestIncomeExcludingNetSecuritiesGains	26140000
CY2018Q4	wsbc	Noninterest Income Excluding Net Securities Gains NoninterestIncomeExcludingNetSecuritiesGains	27864000
CY2018	wsbc	Noninterest Income Excluding Net Securities Gains NoninterestIncomeExcludingNetSecuritiesGains	101176000
CY2018Q1	us-gaap	Gain Loss On Investments GainLossOnInvestments	-39000
CY2018Q2	us-gaap	Gain Loss On Investments GainLossOnInvestments	358000
CY2018Q3	us-gaap	Gain Loss On Investments GainLossOnInvestments	84000
CY2018Q1	us-gaap	Noninterest Expense NoninterestExpense	54571000
CY2018Q2	us-gaap	Noninterest Expense NoninterestExpense	63543000
CY2018Q3	us-gaap	Noninterest Expense NoninterestExpense	76120000
CY2018Q4	us-gaap	Noninterest Expense NoninterestExpense	70990000
CY2018	us-gaap	Noninterest Expense NoninterestExpense	265224000
CY2018Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	40533000
CY2018Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	40504000
CY2018Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	39002000
CY2018Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	54484000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	174524000
CY2018Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7004000
CY2018Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7335000
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6516000
CY2018Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10556000
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	31412000
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	33529000
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	33169000
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	32486000
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	43928000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	143112000
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.76
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.71
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.65
CY2018Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.80
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.93
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.76
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.71
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.64
CY2018Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.80
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.92

Files In Submission

Name	View Source	Status
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$WSBC
WESBANCO INC Stock $wsbc

2018 Q4 Form 10-K Financial Statement

#000156459020007827 Filed on February 28, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WSBC WESBANCO INC Stock $wsbc

2018 Q4 Form 10-K Financial Statement

#000156459020007827 Filed on February 28, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WSBC
WESBANCO INC Stock $wsbc