Regulatory Matters - Additional Information (Detail) (USD $)
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12 Months Ended | |
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Dec. 31, 2014
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Dec. 31, 2013
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Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] | ||
Potential maximum dividends without prior regulatory approval | $ 28,500,000wsbc_BankDividendRestrictedAmount | |
Average required reserve balance in Federal Reserve Bank | 5,000,000wsbc_AverageNonInterestBearingReserveBalanceRequiredInFederalReserveBank | 5,000,000wsbc_AverageNonInterestBearingReserveBalanceRequiredInFederalReserveBank |
Percentage of Risk-weighted assets in bank holding companies in total capital | 8.00%us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets | |
Percentage of Risk-weighted assets in banking subsidiaries | 4.00%wsbc_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssetsForBankingSubsidiaries | |
Percentage of well-capitalized levels of Tier 1 risk-based capital | 6.00%us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets | |
Percentage of well-capitalized levels of total risk-based capital | 10.00%us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets | |
Minimum tier 1 leverage ratio | 9.88%us-gaap_TierOneLeverageCapitalToAverageAssets | 9.27%us-gaap_TierOneLeverageCapitalToAverageAssets |
Percentage of well-capitalized levels of Tier 1 leverage capital | ||
Junior Subordinated Debt | 106,176,000us-gaap_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust | 106,137,000us-gaap_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust |
Provision of the Dodd-Frank | 15,000,000,000wsbc_AssetsThresholdProvisionOfDoddFrankAct | |
Trust Preferred Securities | 102,980,000wsbc_TrustPreferredSecuritiesOutstanding | |
Minimum [Member] | ||
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] | ||
Minimum tier 1 leverage ratio | 3.00%us-gaap_TierOneLeverageCapitalToAverageAssets / us-gaap_RangeAxis = us-gaap_MinimumMember |
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WesBanco Bank Inc [Member] | ||
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] | ||
Percentage of Risk-weighted assets in bank holding companies in total capital | 8.00%us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets / dei_LegalEntityAxis = wsbc_WesBancoBankIncMember |
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Percentage of well-capitalized levels of Tier 1 risk-based capital | 6.00%us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets / dei_LegalEntityAxis = wsbc_WesBancoBankIncMember |
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Percentage of well-capitalized levels of total risk-based capital | 10.00%us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets / dei_LegalEntityAxis = wsbc_WesBancoBankIncMember |
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Minimum tier 1 leverage ratio | 8.63%us-gaap_TierOneLeverageCapitalToAverageAssets / dei_LegalEntityAxis = wsbc_WesBancoBankIncMember |
8.58%us-gaap_TierOneLeverageCapitalToAverageAssets / dei_LegalEntityAxis = wsbc_WesBancoBankIncMember |
Percentage of well-capitalized levels of Tier 1 leverage capital | 5.00%us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets / dei_LegalEntityAxis = wsbc_WesBancoBankIncMember |
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Junior Subordinated Debt [Member] | ||
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] | ||
Junior Subordinated Debt | $ 106,200,000us-gaap_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust / us-gaap_LongtermDebtTypeAxis = us-gaap_JuniorSubordinatedDebtMember |
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- Definition
The minimum Total risk based capital ratio (total capital divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The Total risk based capital ratio (total capital divided by risk weighted assets) required to be categorized as "well capitalized", in the regulatory framework for prompt corrective action. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Including the current and noncurrent portions, the carrying value of junior subordinated long-term debt owed to unconsolidated subsidiary trusts as of the balance sheet date. Such debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets and was initially scheduled to be repaid after one year or beyond the normal operating cycle if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of Tier 1 Leverage Capital required to be categorized as well capitalized divided by average assets as defined in the regulatory framework for prompt corrective action. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Tier 1 Leverage Capital divided by average assets as defined in the regulations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The Tier 1 capital ratio (Tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Assets threshold provision of Dodd Frank Act. No definition available.
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Average non interest bearing reserve balance required in federal reserve bank. No definition available.
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Bank dividend restriction amount. No definition available.
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Tier one leverage capital required for capital adequacy to average assets for banking subsidiaries. No definition available.
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- Definition
Trust Preferred Securities Outstanding No definition available.
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