FHLBNY ADVANCES - Narrative (Details) - USD ($)	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Federal Home Loan Bank, Advance, Branch of FHLBank [Line Items]
Federal Home Loan Bank, Advance, General Debt Obligation, Disclosure, Interest Rate, Type [Fixed List]	Fixed	Fixed
Gain (Loss) on Extinguishment of Debt	$ (454,000)		$ (740,000)
Federal Home Loan Bank of New York
Federal Home Loan Bank, Advance, Branch of FHLBank [Line Items]
Total FHLBNY advances	608,000,000	$ 1,313,000,000
Amount eligible to borrow	3,870,000,000	$ 4,090,000,000.00
Remaining borrowing capacity	$ 1,840,000,000
Total FHLBNY advances	4.58%	5.23%
Federal Home Loan Bank, Advances, Callable Option [Member] \| Federal Home Loan Bank of New York
Federal Home Loan Bank, Advance, Branch of FHLBank [Line Items]
Callable advances	$ 0

Amount of federal home loan bank callable advances.

No definition available.

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- Definition

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

+ References

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- Definition

The calculated weighted average interest rate for Federal Home Loan Bank advances outstanding as of the Balance Sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(13)(3)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

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- Definition

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.

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(b))
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- Definition

Indicates type of interest rate applicable to outstanding advance from Federal Home Loan Bank (FHLBank). Acceptable values are "Floating" and "Fixed".

+ References

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- Definition

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

+ References

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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