REGULATORY MATTERS - Narrative (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Subordinated debentures | Subordinated Debentures II, Subordinated Debentures III, and DCB Debentures I
Common equity tier 1 capital to risk-weighted assets:
Debenture issued	$ 7,217	$ 7,217
Maximum
Common equity tier 1 capital to risk-weighted assets:
Capital conservation buffer percentage	2.50%