FAIR VALUE - Summary of information about the fair value carrying amount and unpaid principal outstanding of loans (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Total Loans
Fair Value Carrying Amount	$ 30,894	$ 43,358
Unpaid Principal Balance	30,731	42,728
Difference	163	630
Non Accruals
Fair Value Carrying Amount	1	16
Unpaid Principal Balance	1	17
Difference	0	(1)
90 Days or More Past Due
Fair Value Carrying Amount	1	16
Unpaid Principal Balance	1	17
Difference	0	(1)
Mortgage loans held for sale
Total Loans
Fair Value Carrying Amount	28,426	40,176
Unpaid Principal Balance	28,240	39,513
Difference	186	663
Non Accruals
Fair Value Carrying Amount	0	0
Unpaid Principal Balance	0	0
Difference	0	0
90 Days or More Past Due
Fair Value Carrying Amount	0	0
Unpaid Principal Balance	0	0
Difference	0	0
Loans held for investment
Total Loans
Fair Value Carrying Amount	2,468	3,182
Unpaid Principal Balance	2,491	3,215
Difference	(23)	(33)
Non Accruals
Fair Value Carrying Amount	1	16
Unpaid Principal Balance	1	17
Difference	0	(1)
90 Days or More Past Due
Fair Value Carrying Amount	1	16
Unpaid Principal Balance	1	17
Difference	$ 0	$ (1)