New Authoritative Accounting Guidance (Policies)	3 Months Ended
Mar. 31, 2015
Accounting Changes and Error Corrections [Abstract]
New Authoritative Accounting Guidance	New Authoritative Accounting Guidance Accounting Standards Update (ASU) No. 2015-03, "Interest—Imputation of Interest (Subtopic 835-30) Simplifying the Presentation of Debt Issuance Costs" requires that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability, consistent with debt discounts. The recognition and measurement guidance for debt issuance costs are not affected by the amendments in the ASU No. 2015-03. ASU No. 2015-03 will be effective for reporting periods (including interim periods) beginning after December 15, 2015. ASU No. 2015-03 became effective for Valley on January 1, 2015 and did not have a significant impact on its consolidated financial statements. ASU No. 2014-14, "Classification of Certain Government-Guaranteed Mortgage Loans Upon Foreclosure" requires that a mortgage loan be derecognized and that a separate other receivable be recognized upon foreclosure if the following conditions are met: (1) the loan has a government guarantee that is not separable from the loan before foreclosure, (2) at the time of foreclosure, the creditor has the intent to convey the real estate property to the guarantor and make a claim on the guarantee, and the creditor has the ability to recover under that claim and (3) at the time of foreclosure, any amount of the claim that is determined on the basis of the fair value of the real estate is fixed. Upon foreclosure, the separate other receivable should be measured based on the amount of the loan balance (principal and interest) expected to be recovered from the guarantor. ASU No. 2014-14 became effective for Valley on January 1, 2015 and did not have a significant impact on its consolidated financial statements. ASU No. 2014-12, "Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could Be Achieved after the Requisite Service Period" requires that a performance target that affects vesting and that could be achieved after the requisite service period be treated as a performance condition. ASU No. 2014-12 became effective for Valley on January 1, 2015 and did not have a significant impact on its consolidated financial statements. ASU No. 2014-11, "Repurchase-to-Maturity Transactions, Repurchase Financings, and Disclosures" requires entities to account for repurchase-to-maturity transactions as secured borrowings rather than as sales with forward repurchase agreements and expands disclosure requirements related to certain transfers of financial assets that are accounted for as sales and certain transfers (specifically, repos, securities lending transactions, and repurchase-to-maturity transactions) accounted for as secured borrowings. The accounting-related changes became effective for the first interim or annual period beginning after December 15, 2014. The disclosures for certain transactions accounted for as sales are required for interim and annual periods beginning after December 15, 2014. The disclosures for repos, securities lending transactions, and repos-to-maturity accounted for as secured borrowings are required for annual periods beginning after December 15, 2014, and interim periods beginning after March 15, 2015. As of March 31, 2015, all of Valley's repurchase agreements were typical in nature (i.e., not repurchase-to-maturity transactions or repurchase agreements executed as a repurchase financing) and are accounted for as secured borrowings. As such, Valley's adoption of ASU No. 2014-11 did not have a significant impact on its consolidated financial statements. ASU No. 2014-04, “Receivables-Troubled Debt Restructurings by Creditors (Subtopic 310-40): Reclassification of Residential Real Estate Collateralized Consumer Mortgage Loans upon Foreclosure,” clarifies that an in-substance repossession or foreclosure occurs, and a creditor is considered to have received physical possession of residential real estate property collateralizing a consumer mortgage loan, upon either the creditor obtaining legal title to the residential real estate property upon completion of a foreclosure, or 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, this ASU requires interim and annual disclosure of both the amount of foreclosed residential real estate property held by the creditor and 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. ASU No. 2014-04 became effective for Valley on January 1, 2015 and did not to have a significant impact on its consolidated financial statements. See Note 8 for related disclosures. ASU No. 2014-01, “Investments-Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Qualified Affordable Housing Projects,” amends existing guidance to permit reporting entities to make an accounting policy election to account for their investments in qualified affordable housing projects using the proportional amortization method if certain conditions are met. 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 or benefit. For those investments in qualified affordable housing projects not accounted for using the proportional amortization method, the investment should be accounted for as an equity method investment or a cost method investment in accordance with Subtopic 970-323. ASU No. 2014-01 became effective for

New Authoritative Accounting Guidance

Accounting Standards Update (ASU) No. 2015-03, "Interest—Imputation of Interest (Subtopic 835-30) Simplifying the Presentation of Debt Issuance Costs" requires that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability, consistent with debt discounts. The recognition and measurement guidance for debt issuance costs are not affected by the amendments in the ASU No. 2015-03. ASU No. 2015-03 will be effective for reporting periods (including interim periods) beginning after December 15, 2015. ASU No. 2015-03 became effective for Valley on January 1, 2015 and did not have a significant impact on its consolidated financial statements.

ASU No. 2014-14, "Classification of Certain Government-Guaranteed Mortgage Loans Upon Foreclosure" requires that a mortgage loan be derecognized and that a separate other receivable be recognized upon foreclosure if the following conditions are met: (1) the loan has a government guarantee that is not separable from the loan before foreclosure, (2) at the time of foreclosure, the creditor has the intent to convey the real estate property to the guarantor and make a claim on the guarantee, and the creditor has the ability to recover under that claim and (3) at the time of foreclosure, any amount of the claim that is determined on the basis of the fair value of the real estate is fixed. Upon foreclosure, the separate other receivable should be measured based on the amount of the loan balance (principal and interest) expected to be recovered from the guarantor. ASU No. 2014-14 became effective for Valley on January 1, 2015 and did not have a significant impact on its consolidated financial statements.

ASU No. 2014-12, "Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could Be Achieved after the Requisite Service Period" requires that a performance target that affects vesting and that could be achieved after the requisite service period be treated as a performance condition. ASU No. 2014-12 became effective for Valley on January 1, 2015 and did not have a significant impact on its consolidated financial statements.

ASU No. 2014-11, "Repurchase-to-Maturity Transactions, Repurchase Financings, and Disclosures" requires entities to account for repurchase-to-maturity transactions as secured borrowings rather than as sales with forward repurchase agreements and expands disclosure requirements related to certain transfers of financial assets that are accounted for as sales and certain transfers (specifically, repos, securities lending transactions, and repurchase-to-maturity transactions) accounted for as secured borrowings. The accounting-related changes became effective for the first interim or annual period beginning after December 15, 2014. The disclosures for certain transactions accounted for as sales are required for interim and annual periods beginning after December 15, 2014. The disclosures for repos, securities lending transactions, and repos-to-maturity accounted for as secured borrowings are required for annual periods beginning after December 15, 2014, and interim periods beginning after March 15, 2015. As of March 31, 2015, all of Valley's repurchase agreements were typical in nature (i.e., not repurchase-to-maturity transactions or repurchase agreements executed as a repurchase financing) and are accounted for as secured borrowings. As such, Valley's adoption of ASU No. 2014-11 did not have a significant impact on its consolidated financial statements.

ASU No. 2014-04, “Receivables-Troubled Debt Restructurings by Creditors (Subtopic 310-40): Reclassification of Residential Real Estate Collateralized Consumer Mortgage Loans upon Foreclosure,” clarifies that an in-substance repossession or foreclosure occurs, and a creditor is considered to have received physical possession of residential real estate property collateralizing a consumer mortgage loan, upon either the creditor obtaining legal title to the residential real estate property upon completion of a foreclosure, or 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, this ASU requires interim and annual disclosure of both the amount of foreclosed residential real estate property held by the creditor and 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. ASU No. 2014-04 became effective for Valley on January 1, 2015 and did not to have a significant impact on its consolidated financial statements. See Note 8 for related disclosures.

ASU No. 2014-01, “Investments-Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Qualified Affordable Housing Projects,” amends existing guidance to permit reporting entities to make an accounting policy election to account for their investments in qualified affordable housing projects using the proportional amortization method if certain conditions are met. 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 or benefit. For those investments in qualified affordable housing projects not accounted for using the proportional amortization method, the investment should be accounted for as an equity method investment or a cost method investment in accordance with Subtopic 970-323. ASU No. 2014-01 became effective for