REVENUE (Tables)

12 Months Ended

Dec. 31, 2021

Revenues [Abstract]

Schedule of revenue

The components of revenue were as follows for the years ended December 31:

(in thousands)	2021		2020
Service revenue	$	170,613	$	347,313
Reimbursable expenses	6,555		16,285
Non-controlling interests	1,285		1,949
Total	$	178,453	$	365,547

Disaggregation of revenue

Disaggregation of total revenues by major source is as follows:

(in thousands)	Revenue recognized when services are performed or assets are sold		Revenue related to technology platforms and professional services		Reimbursable expenses revenue		Total revenue
For the year ended December 31, 2021	$	157,855	$	14,043	$	6,555	$	178,453
For the year ended December 31, 2020	332,084		17,178		16,285		365,547