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FAIR VALUE - Carrying Amounts and Estimated Fair Values of Other Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financial assets:
Cash and due from financial institutions	$ 21,757	$ 17,365
Interest-earning deposits in other financial institutions	43,726	9,616
Securities available for sale	746,343	792,026
Securities held to maturity	3,576	3,790
Loans, net and loans held for sale	1,546,597	1,497,224
Accrued interest receivable	4,334	4,133
Recurring
Financial assets:
Securities available for sale	746,343	792,026
Derivative assets	12,668	9,498
Deposits [Abstract]
Derivative Liabilities	12,847	9,726
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Securities available for sale	57,223	60,431
Derivative assets	0	0
Deposits [Abstract]
Derivative Liabilities	0	0
Recurring | Significant Other Observable Inputs (Level 2)
Financial assets:
Securities available for sale	689,120	731,595
Derivative assets	12,668	9,498
Deposits [Abstract]
Derivative Liabilities	12,847	9,726
Recurring | Significant Unobservable Inputs (Level 3)
Financial assets:
Securities available for sale	0	0
Derivative assets	0	0
Deposits [Abstract]
Derivative Liabilities	0	0
Recurring | Carrying Amount
Financial assets:
Cash and due from financial institutions	21,757	17,365
Interest-earning deposits in other financial institutions	43,726	9,616
Equity investments	2,949	2,964
Securities available for sale	746,343	792,026
Securities held to maturity	3,576	3,790
FHLBNY and FRBNY stock	3,576	4,218
Loans, net and loans held for sale	1,546,942	1,497,620
Accrued interest receivable	6,267	5,985
Derivative assets	12,668	9,498
Deposits [Abstract]
Demand, savings, and insured money market accounts	1,994,263	1,959,076
Time deposits	255,329	196,357
Accrued interest payable	227	210
Derivative Liabilities	12,847	9,726
Recurring | Estimated Fair Value
Financial assets:
Cash and due from financial institutions	21,757	17,365
Interest-earning deposits in other financial institutions	43,726	9,616
Equity investments	2,949	2,964
Securities available for sale	746,343	792,026
Securities held to maturity	3,576	3,796
Loans, net and loans held for sale	1,535,617	1,480,967
Accrued interest receivable	6,267	5,985
Derivative assets	12,668	9,498
Deposits [Abstract]
Demand, savings, and insured money market accounts	1,994,263	1,959,076
Time deposits	256,327	197,658
Accrued interest payable	227	210
Derivative Liabilities	12,847	9,726
Recurring | Estimated Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Cash and due from financial institutions	21,757	17,365
Interest-earning deposits in other financial institutions	43,726	9,616
Equity investments	2,949	2,964
Securities available for sale	57,223	60,431
Securities held to maturity	0	0
FHLBNY and FRBNY stock	0	0
Loans, net and loans held for sale	0	0
Accrued interest receivable	131	106
Derivative assets	0	0
Deposits [Abstract]
Demand, savings, and insured money market accounts	1,994,263	1,959,076
Time deposits	0	0
Accrued interest payable	11	10
Derivative Liabilities	0	0
Recurring | Estimated Fair Value | Significant Other Observable Inputs (Level 2)
Financial assets:
Cash and due from financial institutions	0	0
Interest-earning deposits in other financial institutions	0	0
Equity investments	0	0
Securities available for sale	689,120	731,595
Securities held to maturity	1,430	1,639
FHLBNY and FRBNY stock	0	0
Loans, net and loans held for sale	0	0
Accrued interest receivable	1,802	1,746
Derivative assets	12,668	9,498
Deposits [Abstract]
Demand, savings, and insured money market accounts	0	0
Time deposits	256,327	197,658
Accrued interest payable	216	200
Derivative Liabilities	12,847	9,726
Recurring | Estimated Fair Value | Significant Unobservable Inputs (Level 3)
Financial assets:
Cash and due from financial institutions	0	0
Interest-earning deposits in other financial institutions	0	0
Equity investments	0	0
Securities available for sale	0	0
Securities held to maturity	2,146	2,157
FHLBNY and FRBNY stock	0	0
Loans, net and loans held for sale	1,535,617	1,480,967
Accrued interest receivable	4,334	4,133
Derivative assets	0	0
Deposits [Abstract]
Demand, savings, and insured money market accounts	0	0
Time deposits	0	0
Accrued interest payable	0	0
Derivative Liabilities	$ 0	$ 0

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The amount of money in accounts that may bear interest and that the depositor is entitled to withdraw at any time without prior notice. Amount of interest bearing deposits with no stated maturity, which may include passbook and statement savings accounts and money-market deposit accounts (MMDAs). Amount of deposits in accounts that offer many of the same services as checking accounts although transactions may be somewhat more limited, share some of the characteristics of a money market fund and are insured by the Federal government, also known as money market accounts.

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Federal Reserve Bank stock represents an equity interest in the Federal Reserve Bank and Federal Home Loan Bank (FHLB) stock represents an equity interest in in a FHLB. They do not have a readily determinable fair values because ownership is restricted and it lacks a market (liquidity).

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