Summary of Significant Accounting Policies	6 Months Ended
Jun. 30, 2014
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	NOTE 1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Basis of presentation — The accompanying unaudited interim financial statements of WesBanco, Inc. and its consolidated subsidiaries (“WesBanco”) have been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) for interim financial information and the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements and should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2013. WesBanco’s interim financial statements have been prepared following the significant accounting policies disclosed in Note 1 of the Notes to the Consolidated Financial Statements of its 2013 Annual Report on Form 10-K filed with the Securities and Exchange Commission. In the opinion of management, the accompanying interim financial information reflects all adjustments, including normal recurring adjustments, necessary to present fairly WesBanco’s financial position and results of operations for each of the interim periods presented. Results of operations for interim periods are not necessarily indicative of the results of operations that may be expected for a full year. Recent accounting pronouncements — In June 2014, the Financial Accounting Standards Board (the “FASB”) issued an Accounting Standards Update (“ASU”) (ASU 2014-11) related to repurchase-to-maturity transactions, repurchase financing and disclosures. The pronouncement changes the accounting for repurchase-to-maturity transactions and linked repurchase financings to secured borrowing accounting, which is consistent with the accounting for other repurchase agreements. The pronouncement also requires two new disclosures. The first disclosure requires an entity to disclose information on transfers accounted for as sales in transactions that are economically similar to repurchase agreements. The second disclosure provides increased transparency about the types of collateral pledged in repurchase agreements and similar transactions accounted for as secured borrowings. The pronouncement is effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2014. Early adoption is not permitted. The adoption of this pronouncement is not expected to have a material impact on WesBanco’s Consolidated Financial Statements. In May 2014, the FASB issued an accounting pronouncement (ASU 2014-09) related to the recognition of revenue from contracts with customers. The new revenue pronouncement creates a single source of revenue guidance for all companies in all industries and is more principles-based than current revenue guidance. The pronouncement provides a five-step model for a company to recognize revenue when it transfers control of goods or services to customers at an amount that reflects the consideration to which it expects to be entitled in exchange for those goods or services. The five steps are (1) identify the contract with the customer, (2) identify the separate performance obligations in the contract, (3) determine the transaction price, (4) allocate the transaction price to the separate performance obligations and (5) recognize revenue when each performance obligation is satisfied. The pronouncement is effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2016 using either a full retrospective approach for all periods presented in the period of adoption or a modified retrospective approach. Early adoption is not permitted. WesBanco is currently evaluating the impact of the adoption of this pronouncement on its Consolidated Financial Statements. In January 2014, the FASB issued an accounting pronouncement (ASU 2014-04) related to in-substance repossessions and foreclosures. The pronouncement clarifies when an in-substance repossession or foreclosure occurs. A creditor is considered to have received physical possession of residential real estate property collateralizing a consumer mortgage loan, upon either (1) the creditor obtaining legal title to the residential real estate property upon completion of a foreclosure or (2) the borrower conveying all interest in the residential real estate property to the creditor to satisfy that loan through completion of a deed in lieu of foreclosure or through a similar legal agreement. Additionally, the amendments require interim and annual disclosure of both (1) the amount of foreclosed residential real estate property held by the creditor and (2) the recorded investment in consumer mortgage loans collateralized by residential real estate property that are in the process of foreclosure according to local requirements of the applicable jurisdiction. The pronouncement is effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2014 and may be adopted under either a modified retrospective transition method or a prospective transition method. Early adoption is permitted. The adoption of this pronouncement is not expected to have a material impact on WesBanco’s Consolidated Financial Statements. In January 2014, the FASB issued an accounting pronouncement (ASU 2014-01) which applies to all reporting entities that invest in qualified affordable housing projects through limited liability entities. The pronouncement permits reporting entities to make an accounting policy election to account for these investments using the proportional amortization method if certain conditions exist. The pronouncement also requires disclosure that enables users of its financial statements to understand the nature of these investments. Under the proportional amortization method, an entity amortizes the initial cost of the investment in proportion to the tax credits and other tax benefits received and recognizes the net investment performance in the income statement as a component of income tax expense (benefit). The pronouncement should be applied retrospectively for all periods presented, effective for annual periods and interim reporting periods within those annual periods, beginning after December 15, 2014. Early adoption is permitted. The adoption of this pronouncement is not expected to have a material impact on WesBanco’s Consolidated Financial Statements. In July 2013, the FASB issued an accounting pronouncement (ASU 2013-11) to improve the reporting for unrecognized tax benefits when a net operating loss carryforward, a similar tax loss, or a tax credit carryforward exists. The pronouncement is expected to reduce diversity in practice by providing guidance on the presentation of unrecognized tax benefits and will better reflect the manner in which an entity would settle at the reporting date any additional income taxes that would result from the disallowance of a tax position when net operating loss carryforwards, similar tax losses, or tax credit carryforwards exist. The pronouncement is effective prospectively for fiscal years, and interim periods within those years, beginning after December 15, 2013. The adoption of this pronouncement did not have a material impact on WesBanco’s Consolidated Financial Statements.

NOTE 1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of presentation — The accompanying unaudited interim financial statements of WesBanco, Inc. and its consolidated subsidiaries (“WesBanco”) have been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) for interim financial information and the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements and should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2013.

WesBanco’s interim financial statements have been prepared following the significant accounting policies disclosed in Note 1 of the Notes to the Consolidated Financial Statements of its 2013 Annual Report on Form 10-K filed with the Securities and Exchange Commission. In the opinion of management, the accompanying interim financial information reflects all adjustments, including normal recurring adjustments, necessary to present fairly WesBanco’s financial position and results of operations for each of the interim periods presented. Results of operations for interim periods are not necessarily indicative of the results of operations that may be expected for a full year.

Recent accounting pronouncements — In June 2014, the Financial Accounting Standards Board (the “FASB”) issued an Accounting Standards Update (“ASU”) (ASU 2014-11) related to repurchase-to-maturity transactions, repurchase financing and disclosures. The pronouncement changes the accounting for repurchase-to-maturity transactions and linked repurchase financings to secured borrowing accounting, which is consistent with the accounting for other repurchase agreements. The pronouncement also requires two new disclosures. The first disclosure requires an entity to disclose information on transfers accounted for as sales in transactions that are economically similar to repurchase agreements. The second disclosure provides increased transparency about the types of collateral pledged in repurchase agreements and similar transactions accounted for as secured borrowings. The pronouncement is effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2014. Early adoption is not permitted. The adoption of this pronouncement is not expected to have a material impact on WesBanco’s Consolidated Financial Statements.

In May 2014, the FASB issued an accounting pronouncement (ASU 2014-09) related to the recognition of revenue from contracts with customers. The new revenue pronouncement creates a single source of revenue guidance for all companies in all industries and is more principles-based than current revenue guidance. The pronouncement provides a five-step model for a company to recognize revenue when it transfers control of goods or services to customers at an amount that reflects the consideration to which it expects to be entitled in exchange for those goods or services. The five steps are (1) identify the contract with the customer, (2) identify the separate performance obligations in the contract, (3) determine the transaction price, (4) allocate the transaction price to the separate performance obligations and (5) recognize revenue when each performance obligation is satisfied. The pronouncement is effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2016 using either a full retrospective approach for all periods presented in the period of adoption or a modified retrospective approach. Early adoption is not permitted. WesBanco is currently evaluating the impact of the adoption of this pronouncement on its Consolidated Financial Statements.

In January 2014, the FASB issued an accounting pronouncement (ASU 2014-04) related to in-substance repossessions and foreclosures. The pronouncement clarifies when an in-substance repossession or foreclosure occurs. A creditor is considered to have received physical possession of residential real estate property collateralizing a consumer mortgage loan, upon either (1) the creditor obtaining legal title to the residential real estate property upon completion of a foreclosure or (2) the borrower conveying all interest in the residential real estate property to the creditor to satisfy that loan through completion of a deed in lieu of foreclosure or through a similar legal agreement. Additionally, the amendments require interim and annual disclosure of both (1) the amount of foreclosed residential real estate property held by the creditor and (2) the recorded investment in consumer mortgage loans collateralized by residential real estate property that are in the process of foreclosure according to local requirements of the applicable jurisdiction. The pronouncement is effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2014 and may be adopted under either a modified retrospective transition method or a prospective transition method. Early adoption is permitted. The adoption of this pronouncement is not expected to have a material impact on WesBanco’s Consolidated Financial Statements.

In January 2014, the FASB issued an accounting pronouncement (ASU 2014-01) which applies to all reporting entities that invest in qualified affordable housing projects through limited liability entities. The pronouncement permits reporting entities to make an accounting policy election to account for these investments using the proportional amortization method if certain conditions exist. The pronouncement also requires disclosure that enables users of its financial statements to understand the nature of these investments. Under the proportional amortization method, an entity amortizes the initial cost of the investment in proportion to the tax credits and other tax benefits received and recognizes the net investment performance in the income statement as a component of income tax expense (benefit). The pronouncement should be applied retrospectively for all periods presented, effective for annual periods and interim reporting periods within those annual periods, beginning after December 15, 2014. Early adoption is permitted. The adoption of this pronouncement is not expected to have a material impact on WesBanco’s Consolidated Financial Statements.

In July 2013, the FASB issued an accounting pronouncement (ASU 2013-11) to improve the reporting for unrecognized tax benefits when a net operating loss carryforward, a similar tax loss, or a tax credit carryforward exists. The pronouncement is expected to reduce diversity in practice by providing guidance on the presentation of unrecognized tax benefits and will better reflect the manner in which an entity would settle at the reporting date any additional income taxes that would result from the disallowance of a tax position when net operating loss carryforwards, similar tax losses, or tax credit carryforwards exist. The pronouncement is effective prospectively for fiscal years, and interim periods within those years, beginning after December 15, 2013. The adoption of this pronouncement did not have a material impact on WesBanco’s Consolidated Financial Statements.