REVENUE RECOGNITION - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 44,897	$ 56,723	$ 87,969	$ 108,640
RPO Recruitment
Disaggregation of Revenue [Line Items]
Revenue	21,919	26,714	43,440	51,974
Contracting
Disaggregation of Revenue [Line Items]
Revenue	$ 22,978	$ 30,009	$ 44,529	$ 56,666