REGULATORY MATTERS - Narrative (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Common equity tier 1 capital to risk-weighted assets:
Amount available for dividend payments	$ 9,663,000
Bank
Common equity tier 1 capital to risk-weighted assets:
Amount available for dividend payments	44,273,000
Subordinated debentures | Subordinated Debentures II, Subordinated Debentures III, and DCB Debentures I
Common equity tier 1 capital to risk-weighted assets:
Debenture issued	$ 10,310,000	$ 10,310,000
Maximum
Common equity tier 1 capital to risk-weighted assets:
Capital conservation buffer percentage	2.50%