RESTRUCTURING AND OTHER RELATED CHARGES - Schedule of Restructuring Charges by Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Restructuring Cost and Reserve [Line Items]
Charges	$ 16	$ 2,535
Operating Group Reorganization
Restructuring Cost and Reserve [Line Items]
Charges	16	2,535
Employee Severance | Operating Group Reorganization
Restructuring Cost and Reserve [Line Items]
Charges	3,961
Employee Severance | Operating Group Reorganization | IHT
Restructuring Cost and Reserve [Line Items]
Charges	16	459
Employee Severance | Operating Group Reorganization | MS
Restructuring Cost and Reserve [Line Items]
Charges	0	514
Employee Severance | Operating Group Reorganization | Corporate and shared support services
Restructuring Cost and Reserve [Line Items]
Charges	$ 0	$ 1,562