SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Restructuring (Benefits) Costs (Details) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Restructuring Reserve [Roll Forward]
Charged to restructuring	$ 1,530			$ 998	$ 2,419	$ 4,052
Employee Termination Costs
Restructuring Reserve [Roll Forward]
Balance at beginning of period	237	$ 115	$ 100		100
Charged to restructuring	1,234	477	152
Payments	(530)	(355)	(137)
Balance at end of period	941	237	115		941
Lease-Related Exit Costs
Restructuring Reserve [Roll Forward]
Balance at beginning of period	424	604	788		788
Charged to restructuring	2	0	0
Payments	(177)	(180)	(184)
Balance at end of period	$ 249	$ 424	$ 604		$ 249