LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Non-accrual loans (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Financing Receivable Nonaccrual Status
Balance	$ 360	$ 527
Transfer into nonaccrual	840	158
Loans paid down/payoffs	(26)	(66)
Loans returned to accrual status	(1)	(1)
Loans charged off	(107)	(301)
Balance	1,066	317
Real Estate Loan
Financing Receivable Nonaccrual Status
Balance	273
Balance	1,007
Real Estate Loan \| Single-family Residential
Financing Receivable Nonaccrual Status
Balance	149	145
Transfer into nonaccrual	744
Loans paid down/payoffs	(6)	(39)
Balance	887	106
Real Estate Loan \| Commercial
Financing Receivable Nonaccrual Status
Balance	124
Transfer into nonaccrual		140
Loans paid down/payoffs	(4)	(8)
Balance	120	132
Commercial and Industrial \| Commercial and Industrial
Financing Receivable Nonaccrual Status
Balance		299
Loans charged off		(299)
Consumer Loans
Financing Receivable Nonaccrual Status
Balance	87
Balance	59
Consumer Loans \| Automobile
Financing Receivable Nonaccrual Status
Balance	87	83
Transfer into nonaccrual	96	18
Loans paid down/payoffs	(16)	(19)
Loans returned to accrual status	(1)	(1)
Loans charged off	(107)	(2)
Balance	$ 59	$ 79