SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Restructuring (Benefits) Costs (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Restructuring Reserve [Roll Forward]
Charged (credited) to restructuring	$ 429	$ 480
Employee Termination Costs
Restructuring Reserve [Roll Forward]
Balance at beginning of period	799
Charged (credited) to restructuring	527
Payments and adjustments	(539)
Balance at end of period	787
Lease-Related Exit Costs
Restructuring Reserve [Roll Forward]
Balance at beginning of period	2,196
Charged (credited) to restructuring	(98)
Payments and adjustments	(298)
Balance at end of period	$ 1,800