LOANS RECEIVABLE - Credit Quality Indicators (Details) - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Loans
Total loans	$ 131,701,000	$ 131,842,000
Pass
Loans
Total loans	127,172,000	124,537,000
Special Mention
Loans
Total loans	1,390,000	3,732,000
Substandard
Loans
Total loans	3,139,000	3,573,000
Real Estate
Loans
Total loans	117,102,000	119,083,000
One- to four-family residential
Loans
Total loans	88,327,000	87,303,000
One- to four-family residential | Pass
Loans
Total loans	85,175,000	83,405,000
One- to four-family residential | Special Mention
Loans
Total loans	173,000	504,000
One- to four-family residential | Substandard
Loans
Total loans	2,979,000	3,394,000
Commercial real estate
Loans
Total loans	21,073,000	23,112,000
Commercial real estate | Pass
Loans
Total loans	20,026,000	20,995,000
Commercial real estate | Special Mention
Loans
Total loans	942,000	2,058,000
Commercial real estate | Substandard
Loans
Total loans	105,000	59,000
Construction & land
Loans
Total loans	4,450,000	4,079,000
Construction & land | Pass
Loans
Total loans	4,131,000	3,990,000
Construction & land | Special Mention
Loans
Total loans	275,000
Construction & land | Substandard
Loans
Total loans	44,000	89,000
Multi-family residential
Loans
Total loans	3,252,000	4,589,000
Multi-family residential | Pass
Loans
Total loans	3,252,000	3,419,000
Multi-family residential | Special Mention
Loans
Total loans		1,170,000
Consumer
Loans
Total loans	3,512,000	4,385,000
Consumer | Pass
Loans
Total loans	3,501,000
Consumer | Substandard
Loans
Total loans	11,000
Commercial and industrial
Loans
Total loans	11,087,000	8,374,000
Commercial and industrial | Pass
Loans
Total loans	11,087,000
Residential real estate
Loans
Total loans	84,000	47,000
Consumer
Loans
Total loans	3,512,000	4,385,000
Consumer | Pass
Loans
Total loans		4,372,000
Consumer | Substandard
Loans
Total loans		13,000
Commercial and industrial
Loans
Total loans	$ 11,087,000	8,374,000
Commercial and industrial | Pass
Loans
Total loans		8,356,000
Commercial and industrial | Substandard
Loans
Total loans		$ 18,000