FAIR VALUE - Quantitative Information (Details) - Significant Unobservable Inputs (Level 3) - Other real estate owned: - Non-recurring - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Information related to Level 3 non-recurring fair value measurement [Abstract]
Assets, fair value disclosure	$ 137	$ 143
Residential mortgages | Sales comparison
Information related to Level 3 non-recurring fair value measurement [Abstract]
Assets, fair value disclosure	$ 83	$ 143
Residential mortgages | Sales comparison | Minimum
Information related to Level 3 non-recurring fair value measurement [Abstract]
Fair value inputs, discount to appraised value	20.80%	20.80%
Residential mortgages | Sales comparison | Maximum
Information related to Level 3 non-recurring fair value measurement [Abstract]
Fair value inputs, discount to appraised value	20.80%	20.80%
Residential mortgages | Sales comparison | Weighted Average
Information related to Level 3 non-recurring fair value measurement [Abstract]
Fair value inputs, discount to appraised value	20.80%	20.80%
Home equity lines and loans | Sales comparison
Information related to Level 3 non-recurring fair value measurement [Abstract]
Assets, fair value disclosure	$ 54
Home equity lines and loans | Sales comparison | Minimum
Information related to Level 3 non-recurring fair value measurement [Abstract]
Fair value inputs, discount to appraised value	20.80%
Home equity lines and loans | Sales comparison | Maximum
Information related to Level 3 non-recurring fair value measurement [Abstract]
Fair value inputs, discount to appraised value	20.80%
Home equity lines and loans | Sales comparison | Weighted Average
Information related to Level 3 non-recurring fair value measurement [Abstract]
Fair value inputs, discount to appraised value	20.80%