REVENUE RECOGNITION - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Deferred revenue	$ 92		$ 170
Revenue	43,072	$ 51,917
Direct contracting costs and reimbursed expenses	$ 21,308	$ 26,344
One Contracting Customer | Revenue benchmark | Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Revenue			$ 44,888
Concentration risk, percentage			27.00%
Revenue, net of direct contracting costs and reimbursed expenses			$ 68,157
One Contracting Customer | Direct contracting costs and reimbursed expenses | Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Direct contracting costs and reimbursed expenses			$ 43,980
One Contracting Customer | Revenue, net of direct contracting costs and reimbursed expenses | Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk, percentage			1.00%
Revenue, net of direct contracting costs and reimbursed expenses			$ 908