Debt instrument interest rate period.

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Long term debt prepayment fee.

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Trust preferred securities issued number.

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Trust preferred securities par value.

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Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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No definition available.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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The number of derivative instruments of a particular group held by the entity.

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- Definition

Gross amount of debt extinguished.

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No definition available.

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Discloses the single interest rate [if] applicable to the advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The cash inflow from issuance of preferred stocks by a business trust or other special purpose entity, mainly established by a bank holding entity, to third party investors. The trust's assets are deeply subordinated debentures of the bank holding entity. Most trust preferred securities are subject to a mandatory redemption upon the repayment of the debentures.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Debt - Additional Information (Long Term Debt) (Detail)					1 Months Ended		12 Months Ended
Debt - Additional Information (Long Term Debt) (Detail)	Sep. 30, 2021 USD ($)	Sep. 15, 2021 USD ($)	Sep. 30, 2016 USD ($)	Aug. 03, 2015 USD ($)	May 31, 2007 USD ($) shares	Jun. 30, 2003 USD ($) shares	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Jun. 30, 2016 USD ($) derivative	Oct. 31, 2015 USD ($)	May 31, 2014 USD ($)
Debt Instrument [Line Items]
Advances from the FHLB							$ 25,000,000	$ 25,000,000
Repayments of debt							114,900,000
Long-term debt extinguishment costs	$ 831,000						831,000	$ 0	$ 0
Cash Flow Hedging \| Interest Rate Swap
Debt Instrument [Line Items]
Debt instrument, face amount										$ 30,000,000
Number of derivatives \| derivative										2
Collateralized FHLB Advances
Debt Instrument [Line Items]
Long term debt prepayment fee							$ 4,100,000
Collateralized FHLB Advances \| Weighted Average
Debt Instrument [Line Items]
Weighted average interest rate of advances							0.77%	0.77%
Subordinated Debenture Offering \| Fixed To Floating, Due September 15, 2031
Debt Instrument [Line Items]
Debt instrument, face amount		$ 150,000,000
Debt issuance costs		$ 2,300,000
Debt instrument, interest rate		2.875%
Subordinated Debenture Offering \| Fixed To Floating
Debt Instrument [Line Items]
Debt instrument, face amount			$ 75,000,000
Debt issuance costs			$ 1,500,000
Debt instrument, interest rate			5.125%
Subordinated Debenture Offering \| London Interbank Offered Rate (LIBOR) \| Fixed To Floating
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate			3.97%
Subordinated Debenture Offering \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Fixed To Floating, Due September 15, 2031
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		2.20%
Junior Subordinated Debt \| Lakeland Bancorp Capital Trust IV
Debt Instrument [Line Items]
Debt instrument, face amount					$ 20,600,000
Long-term debt extinguishment costs				$ (1,800,000)
Distribution rate on securities					6.61%
Distribution of securities years					5 years
Trust preferred securities, issued (in shares) \| shares					20,000
Trust preferred securities, face value					$ 1,000
Proceeds of trust preferred securities					$ 20,000,000
Debentures extinguished				$ 10,000,000
Junior Subordinated Debt \| Lakeland Bancorp Capital II
Debt Instrument [Line Items]
Debt instrument, face amount						$ 20,600,000
Distribution rate on securities						5.71%
Distribution of securities years						5 years
Trust preferred securities, issued (in shares) \| shares						20,000
Trust preferred securities, face value						$ 1,000
Proceeds of trust preferred securities						$ 20,000,000
Junior Subordinated Debt \| London Interbank Offered Rate (LIBOR) \| Lakeland Bancorp Capital Trust IV
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate					1.52%
Junior Subordinated Debt \| London Interbank Offered Rate (LIBOR) \| Lakeland Bancorp Capital II
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate						3.10%
Highlands Bancorp, Inc. \| Subordinated Debenture Offering \| Fixed Rate
Debt Instrument [Line Items]
Debt instrument, face amount											$ 7,500,000	$ 5,000,000
Debt instrument, interest rate											6.94%	8.00%