LOANS RECEIVABLE (Details)	9 Months Ended	12 Months Ended
Sep. 30, 2025 USD ($) loan borrower	Dec. 31, 2024 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 164,767,000	$ 167,076,000
Less: Allowance for loan losses	(2,397,000)	(2,522,000)
Loans receivable, net	162,370,000	164,554,000
Accrued interest receivable	687,000	704,000
Loans for which formal foreclosure proceedings in process	0
Borrowers experiencing financial difficulty totaled	$ 658,000	$ 583,000
Number of contracts \| loan	1	1
Number of related borrowers consolidated into new residential mortgage loan \| borrower	2
Committed to lend	$ 0	$ 0
Extended Maturity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Residential mortgage loan	131,000
Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans for which formal foreclosure proceedings in process		37,000
Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	136,269,000	138,716,000
Real Estate \| Asset Pledged as Collateral \| Federal Reserve Bank Advances
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	84,700,000	80,600,000
Other loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	28,498,000	$ 28,360,000
Residential real estate \| Extended Maturity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Maturity period		3 years
Residential mortgage loan		$ 20,000
One- to four-family residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	78,373,000	81,097,000
Less: Allowance for loan losses	$ (1,166,000)	$ (1,164,000)
One- to four-family residential \| Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Modified loans to borrowers experiencing financial difficulty	1.00%	1.00%
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 33,679,000	$ 22,108,000
Less: Allowance for loan losses	(302,000)	(192,000)
Construction and land
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	18,850,000	32,941,000
Less: Allowance for loan losses	(282,000)	(528,000)
Multi-family residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	5,367,000	2,570,000
Less: Allowance for loan losses	(72,000)	(35,000)
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	25,665,000	26,439,000
Less: Allowance for loan losses	(332,000)	(372,000)
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	2,833,000	1,921,000
Less: Allowance for loan losses	$ (38,000)	$ (26,000)

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