Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-42

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-42

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 33
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-33

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 34
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-34

+ Details

Name:	us-gaap_FinancingReceivableModificationsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of decrease in weighted average contractual interest rate of financing receivable modified for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A

+ Details

Name:	us-gaap_FinancingReceivableModifiedWeightedAverageInterestRateDecreaseFromModification
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of increase in weighted average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

+ Details

Name:	us-gaap_FinancingReceivableModifiedWeightedAverageTermIncreaseFromModification
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ExtendedMaturityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	vly_RateReductionsAxis=vly_RateReduction1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	vly_RateReductionsAxis=vly_RateReduction2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	vly_RateReductionsAxis=vly_RateReduction3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ExtendedMaturityAndInterestRateReductionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=vly_HomeEquityPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Loans and Allowance for Credit Losses for Loans - Financing Effect of Loan Modification (Details)	3 Months Ended	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2023
Commercial and industrial \| Term extension
Financing Receivable, Modified [Line Items]
Weighted average contractual interest rate		1.00%
Weighted average term increase from modification		12 months
Commercial and industrial \| Term extension \| Rate Reduction 1
Financing Receivable, Modified [Line Items]
Weighted average contractual interest rate	3.50%
Commercial and industrial \| Term extension \| Rate Reduction 2
Financing Receivable, Modified [Line Items]
Weighted average contractual interest rate	1.84%
Commercial and industrial \| Term extension \| Rate Reduction 3
Financing Receivable, Modified [Line Items]
Weighted average contractual interest rate		1.83%
Commercial and industrial \| Term extension and interest rate reduction
Financing Receivable, Modified [Line Items]
Weighted average term increase from modification		12 months
Residential mortgage
Financing Receivable, Modified [Line Items]
Weighted average term increase from modification		12 months
Home equity
Financing Receivable, Modified [Line Items]
Weighted average term increase from modification		120 months
Home equity
Financing Receivable, Modified [Line Items]
Weighted average term increase from modification		60 months
Maximum \| Commercial and industrial \| Term extension and interest rate reduction
Financing Receivable, Modified [Line Items]
Weighted average contractual interest rate	9.50%
Maximum \| Commercial real estate
Financing Receivable, Modified [Line Items]
Weighted average contractual interest rate		6.00%
Weighted average term increase from modification		36 months
Minimum \| Commercial and industrial \| Term extension and interest rate reduction
Financing Receivable, Modified [Line Items]
Weighted average contractual interest rate		6.50%
Minimum \| Commercial real estate
Financing Receivable, Modified [Line Items]
Weighted average contractual interest rate		8.75%
Weighted average term increase from modification		6 months