BORROWINGS - Advances from the Federal Home Loan Bank of New York (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank advances	$ 40,567	$ 41,253
Term Advances
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank advances	40,567	39,253
Term advances due February 25, 2025
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank advances		$ 1,000
Fixed interest rate		1.52%
Term advances due March 5, 2025
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank advances		$ 3,500
Fixed interest rate		1.12%
Term advances due March 12, 2025
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank advances		$ 1,000
Fixed interest rate		1.42%
Term advances due November 30, 2027
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank advances	$ 2,000	$ 2,000
Fixed interest rate	4.24%	4.24%
Term advances due December 30, 2025
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank advances	$ 2,000	$ 2,000
Fixed interest rate	4.54%	4.54%
Term advances due December 30, 2026
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank advances	$ 2,000	$ 2,000
Fixed interest rate	4.42%	4.42%
Term advances due January 12, 2028
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank advances	$ 2,000	$ 2,000
Fixed interest rate	3.85%	3.85%
Term advances due March 10, 2028
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank advances	$ 6,000	$ 6,000
Fixed interest rate	4.38%	4.38%
Term advances due July 19, 2027
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank advances	$ 1,000	$ 1,000
Fixed interest rate	4.49%	4.49%
Term advances due September 11, 2028
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank advances	$ 3,000	$ 3,000
Fixed interest rate	4.72%	4.72%
Term advances due September 14, 2026
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank advances	$ 2,000	$ 2,000
Fixed interest rate	4.61%	4.61%
Term advances due September 28, 2026
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank advances	$ 2,000	$ 2,000
Fixed interest rate	5.18%	5.18%
Term advances due Due May 10, 2027
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank advances	$ 1,695	$ 1,695
Fixed interest rate	0.00%	0.00%
Term advances due November 23, 2026
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank advances	$ 2,000	$ 2,000
Fixed interest rate	4.80%	4.80%
Term advances due August 21, 2028
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank advances	$ 2,000	$ 2,000
Fixed interest rate	4.65%	4.65%
Term advances due August 23, 2027
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank advances	$ 2,000	$ 2,000
Fixed interest rate	4.72%	4.72%
Term advances due August 29, 2029
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank advances	$ 2,000	$ 2,000
Fixed interest rate	4.61%	4.61%
Term advances due October 4, 2027
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank advances	$ 2,058	$ 2,058
Fixed interest rate	0.00%	0.00%
Term advances due February 25, 2030
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank advances	$ 1,000
Fixed interest rate	4.33%
Term advances due June 12, 2026
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank advances	$ 5,814
Fixed interest rate	0.00%
Repurchase advances due January 3, 2025
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank advances		$ 2,000
Fixed interest rate	4.63%	4.63%