COST OF REVENUE - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Reimbursable expenses	$ 8,273,000	$ 8,039,000
Accounts payable and accrued expenses	30,088,000	33,507,000
Aldridge Pite | Related Party
Disaggregation of Revenue [Line Items]
Reimbursable expenses	700,000	$ 500,000
Accounts payable and accrued expenses	$ 0