COST OF REVENUE - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Related Party Transaction [Line Items]
Reimbursable expenses	$ 2,049,000	$ 2,609,000	$ 4,359,000	$ 4,201,000
Accounts payable and accrued expenses	32,320,000		32,320,000		$ 33,507,000
Related Party | Aldridge Pite
Related Party Transaction [Line Items]
Reimbursable expenses	300,000		500,000
Accounts payable and accrued expenses	$ 0		$ 0