STOCK-BASED COMPENSATION - Narrative (Details) - USD ($)	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	$ 31,873,000	$ 49,115,000
Exaion
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation expense	$ 0
Restricted stock units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award vesting period	4 years
Aggregate unrecognized stock-based compensation	$ 88,700,000
Aggregate unrecognized stock-based compensation, period for recognition	2 years 8 months 12 days
Stock-based compensation expense	$ 17,121,000	24,792,000
Restricted stock units \| Director
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award vesting period	1 year
Performance-based restricted stock units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award vesting period	4 years
Aggregate unrecognized stock-based compensation	$ 97,100,000
Aggregate unrecognized stock-based compensation, period for recognition	2 years
Stock-based compensation expense	$ 14,752,000	$ 24,323,000
Performance-based restricted stock units \| Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award vesting percentage	0.00%
Performance-based restricted stock units \| Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award vesting percentage	249.00%
2018 LTIP
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock reserved (in shares)	5,262,626

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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