Number of participation loans purchased during the period.

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- Definition

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.

+ References

No definition available.

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
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- Definition

Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period.

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- Definition

Number of interest rate derivative instruments held by the entity at the reporting date.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

The aggregate amount of the participating mortgage obligation at the end of the accounting period.

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Derivatives and Hedging Activities - Non-designated Hedges (Details)	12 Months Ended
	Dec. 31, 2021 USD ($) loan derivative	Dec. 31, 2020 USD ($) loan derivative	Dec. 31, 2019 USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number Of Participation Loans Purchased \| loan	4	4
Participating mortgage loans, mortgage obligations amount	$ 27,200,000	$ 27,700,000
Gain (Loss) on fair value hedges recognized in earnings	$ 312,000	$ (264,000)	$ (104,000)
Interest Rate Contract \| Not Designated as Hedging Instrument \| Third Parties
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of interest rate derivatives held \| derivative	1
Notional amount of derivatives	$ 93,900,000
Interest Rate Contract \| Not Designated as Hedging Instrument \| Commercial customers
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount of derivatives	$ 93,900,000
Interest Rate Swap \| Not Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of interest rate derivatives held \| derivative	11
Interest Rate Swap \| Not Designated as Hedging Instrument \| Third Parties
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of interest rate derivatives held \| derivative		19
Notional amount of derivatives		$ 142,800,000
Interest Rate Swap \| Not Designated as Hedging Instrument \| Commercial customers
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of interest rate derivatives held \| derivative		19
Notional amount of derivatives		$ 142,800,000
Interest Rate Cap \| Not Designated as Hedging Instrument \| Commercial customers
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of interest rate derivatives held \| derivative	1
Valley Bank \| Interest Rate Swap \| Not Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of interest rate derivatives held \| derivative	2	2
Notional amount of derivatives	$ 482,000	$ 584,000