BORROWINGS AND RELATED INTEREST (Advances from the Federal Home Loan Bank of New York) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Mar. 31, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Additional borrowing capacity	$ 375.0	$ 351.1
Weighted average period remaining maturity of FHLB advances	9 months	1 year 1 month 6 days
Advances from the FHLB
Debt Instrument [Line Items]
Accrued interest payable	$ 1.6	$ 1.6
Advances from the FHLB \| Asset Pledged as Collateral
Debt Instrument [Line Items]
Total loans	$ 1,254.0	$ 1,255.0

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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+ Details

- Definition

Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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