REVENUE RECOGNITION - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Concentration Risk [Line Items]
Revenue	$ 56,723	$ 39,674	$ 108,640	$ 74,135
Deferred revenue	132		132			$ 533
Direct contracting costs and reimbursed expenses	$ 29,449	$ 24,583	$ 55,793	$ 46,326
One Contracting Customer | Revenue benchmark | Customer Concentration Risk
Concentration Risk [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
Concentration Risk [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
Concentration Risk [Line Items]
Concentration Risk, Percentage					1.00%
Revenue, Net of Direct Contracting Costs and Reimbursed Expenses					$ 908