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

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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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- Definition

Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB).

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Amount of the collateral pledged in support of federal home loan bank advances outstanding.

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- Definition

Aggregate amount of interest paid or due on all long-term debt.

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- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

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- Definition

Stated interest rate of the subordinated debt.

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No definition available.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

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BORROWINGS (Details Textual) - USD ($) $ in Thousands	12 Months Ended
BORROWINGS (Details Textual) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Subordinated Debt	$ 49,980	$ 49,885
Interest Expense, Long-term Debt	6,800	4,600	$ 4,500
Federal home loan bank unused remaining available borrowing capacity	2,700,000	1,800,000
Total Long-Term Borrowings	112,838	112,740
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged	$ 3,900,000	2,700,000
Subordinated Borrowing, Interest Rate	219.00%
Parent Company [Member] \| Subordinated Debentures [Member]
Debt Instrument [Line Items]
Subordinated Debt	$ 50,000	50,000
Capital Trust V Preferred Securities Due in 2037 [Member] \| Junior Subordinated Debt [Member]
Debt Instrument [Line Items]
Total Long-Term Borrowings	$ 51,517	51,514
Capital Trust V Preferred Securities Due in 2037 [Member] \| Junior Subordinated Debt [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Debt Instrument, interest rate, stated rate inclusive of interest rate swap - expired	1.48%
Central Bancorp Capital Trust I Securities Due in 2034 [Member] \| Junior Subordinated Debt [Member]
Debt Instrument [Line Items]
Total Long-Term Borrowings	$ 5,258	5,258
Debt Instrument, interest rate, stated rate inclusive of interest rate swap - expired	8.09%
Central Bancorp Capital Trust I Securities Due in 2034 [Member] \| Junior Subordinated Debt [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Debt Instrument, interest rate, stated rate inclusive of interest rate swap - expired	2.44%
Single issuer trust preferred securities issued by banks [Member] \| Junior Subordinated Debt [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Debt Instrument, interest rate, stated rate inclusive of interest rate swap - expired	5.65%
Federal Home Loan Bank Advances [Member]
Debt Instrument [Line Items]
Federal home loan bank unused remaining available borrowing capacity	$ 1,600,000	$ 1,800,000