REGULATORY MATTERS - Narrative (Details) - USD ($) $ in Millions	1 Months Ended
	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Banking and Thrift, Interest [Abstract]
Retained earnings, unappropriated		$ 202.7
Transition relief allowed under the interim final rule	5 years
Percentage of capital conservation buffer for capital adequacy purposes		2.50%	2.50%