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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Fair value of Cash and Stock Earn-outs (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2025 USD ($) Y	Jun. 30, 2025 USD ($) Y	Dec. 31, 2024 USD ($) Y	Aug. 31, 2024 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Purchase commitment and contingent consideration liabilities, current	$ 29,900	$ 29,900	$ 35,100
Purchase commitment and contingent consideration liabilities, net of current portion	80,200	80,200	87,400
Cash Earn-outs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Change in fair value of contingent consideration liabilities	1,800	3,500
Stock Earn-outs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Change in fair value of contingent consideration liabilities	500	(15,900)
Ecosio
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Purchase commitment and contingent consideration liabilities, current	29,900	29,900	35,100
Purchase commitment and contingent consideration liabilities, net of current portion	80,200	80,200	87,400
Ecosio \| Cash Earn-outs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Purchase commitment and contingent consideration liabilities, current	18,400	18,400	17,900
Purchase commitment and contingent consideration liabilities, net of current portion	59,500	59,500	56,500
Contingent consideration	77,900	77,900	74,400	$ 71,000
Ecosio \| Cash Earn-outs \| Revenue volatility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration	$ 77,900	$ 77,900	$ 74,400
Contingent consideration measurement input	24	24	21
Ecosio \| Cash Earn-outs \| Revenue discount rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration measurement input	7.4	7.4	7.7
Ecosio \| Cash Earn-outs \| Term (in years)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration measurement input \| Y	2.7	2.7	3.2
Ecosio \| Stock Earn-outs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Purchase commitment and contingent consideration liabilities, current	$ 11,500	$ 11,500	$ 17,200
Purchase commitment and contingent consideration liabilities, net of current portion	20,700	20,700	30,900
Contingent consideration	32,200	32,200	48,100	$ 34,000
Ecosio \| Stock Earn-outs \| Revenue volatility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration	$ 32,200	$ 32,200	$ 48,100
Contingent consideration measurement input	24	24	21
Ecosio \| Stock Earn-outs \| Revenue discount rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration measurement input	7.4	7.4	7.7
Ecosio \| Stock Earn-outs \| Term (in years)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration measurement input \| Y	2.7	2.7	3.2