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LOANS - Amortized cost basis and related allowance for credit loss of individually analyzed loans considered to be collateral dependent (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
LOANS
Individually evaluated for impairment	$ 14,100
Collateral dependent
LOANS
Individually evaluated for impairment	14,039	$ 13,840
Individually evaluated for impairment	24	421
Residential real estate | Residential real estate
LOANS
Individually evaluated for impairment	4,222	4,226
Multi-family | Commercial real estate
LOANS
Individually evaluated for impairment	3,358	3,356
Individually evaluated for impairment		397
Commercial real estate | Commercial real estate
LOANS
Individually evaluated for impairment	6,071	5,986
Individually evaluated for impairment	24	24
Commercial and industrial | Residential real estate
LOANS
Individually evaluated for impairment		$ 272
Commercial and industrial | Residential and commercial real estate
LOANS
Individually evaluated for impairment	$ 388

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+ References

No definition available.

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- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 11B
-Subparagraph (g)
-SubTopic 10
-Topic 310
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B

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- Definition

The balance of financing receivables that were individually evaluated for impairment.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11C
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-11C

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 6.L(5)(a))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480418/310-10-S99-4

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