RECENT ACCOUNTING PRONOUNCEMENTS - Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2021
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	$ 2,094	$ 2,162		$ 2,470
Reserve for unfunded commitments	448	477	$ 469	371
Real Estate Loan | Construction and Land
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	35	44		5
Real Estate Loan | Farmland
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	18	20		11
Real Estate Loan | Single-family Residential
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	1,237	1,230		1,357
Real Estate Loan | Multi-family
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	97	103		105
Real Estate Loan | Commercial
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	203	221		278
Commercial and Industrial | Commercial and Industrial
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	261	174		115
Commercial and Industrial | SBA Guaranty
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	22	22		30
Consumer Loans | Consumer
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	24	23		36
Consumer Loans | Automobile
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	$ 197	$ 325		$ 533