FAIR VALUE - Carrying Amounts and Estimated Fair Values of Other Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Financial assets:
Cash and due from financial institutions	$ 28,994	$ 22,772
Interest-earning deposits in other financial institutions	44,119	27,325
Loans, net of deferred loan fees and loans held for sale	2,341,919	2,245,352
Derivative assets	17,548	17,280
Deposits:
FHLBNY advances	89,590	87,110
Subordinated debt, net of deferred issuance costs	44,079	44,028
Derivative liabilities	17,612	17,412
Recurring
Financial assets:
Securities available for sale	269,043	280,598
Derivative assets	17,548	17,280
Deposits:
Derivative liabilities	17,612	17,412
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Securities available for sale	0	0
Derivative assets	0	0
Deposits:
Derivative liabilities	0	0
Recurring | Significant Other Observable Inputs (Level 2)
Financial assets:
Securities available for sale	264,576	276,236
Derivative assets	17,548	17,280
Deposits:
Derivative liabilities	17,612	17,412
Recurring | Significant Unobservable Inputs (Level 3)
Financial assets:
Securities available for sale	4,467	4,362
Derivative assets	0	0
Deposits:
Derivative liabilities	0	0
Recurring | Carrying Amount
Financial assets:
Cash and due from financial institutions	28,994	22,772
Interest-earning deposits in other financial institutions	44,119	27,325
Equity investments	3,605	3,765
Securities available for sale	269,043	280,598
Securities held to maturity	1,560	640
FHLBNY and FRBNY stock	9,690	9,466
Loans, net of deferred loan fees and loans held for sale	2,369,578	2,271,663
Derivative assets	17,548	17,280
Deposits:
Demand, savings, and insured money market deposits	1,931,560	1,807,058
Time deposits	432,374	463,616
FHLBNY advances	89,590	87,110
Subordinated debt, net of deferred issuance costs	44,079	44,028
Derivative liabilities	17,612	17,412
Recurring | Estimated Fair Value
Financial assets:
Cash and due from financial institutions	28,994	22,772
Interest-earning deposits in other financial institutions	44,119	27,325
Equity investments	3,605	3,765
Securities available for sale	269,043	280,598
Securities held to maturity	1,560	640
Loans, net of deferred loan fees and loans held for sale	2,294,095	2,209,059
Derivative assets	17,548	17,280
Deposits:
Demand, savings, and insured money market deposits	1,931,560	1,807,058
Time deposits	432,968	464,144
FHLBNY advances	89,595	87,126
Subordinated debt, net of deferred issuance costs	46,852	46,350
Derivative liabilities	17,612	17,412
Recurring | Estimated Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Cash and due from financial institutions	28,994	22,772
Interest-earning deposits in other financial institutions	44,119	27,325
Equity investments	3,605	3,765
Securities available for sale	0	0
Securities held to maturity	0	0
FHLBNY and FRBNY stock	0	0
Loans, net of deferred loan fees and loans held for sale	0	0
Derivative assets	0	0
Deposits:
Demand, savings, and insured money market deposits	1,931,560	1,807,058
Time deposits	0	0
FHLBNY advances	0	0
Subordinated debt, net of deferred issuance costs	0	0
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	264,576	276,236
Securities held to maturity	0	0
FHLBNY and FRBNY stock	0	0
Loans, net of deferred loan fees and loans held for sale	0	0
Derivative assets	17,548	17,280
Deposits:
Demand, savings, and insured money market deposits	0	0
Time deposits	432,968	464,144
FHLBNY advances	89,595	87,126
Subordinated debt, net of deferred issuance costs	46,852	46,350
Derivative liabilities	17,612	17,412
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	4,467	4,362
Securities held to maturity	1,560	640
FHLBNY and FRBNY stock	0	0
Loans, net of deferred loan fees and loans held for sale	2,294,095	2,209,059
Derivative assets	0	0
Deposits:
Demand, savings, and insured money market deposits	0	0
Time deposits	0	0
FHLBNY advances	0	0
Subordinated debt, net of deferred issuance costs	0	0
Derivative liabilities	$ 0	$ 0