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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Financial assets and liabilities measured at fair value (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025	Aug. 31, 2024
Fair Value, Recurring
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Money Market Funds	$ 185,896	$ 266,892
Long-Term Investment	15,000	15,000
Prices in active markets for identical assets (Level 1) \| Fair Value, Recurring
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Money Market Funds	185,896	266,892
Significant unobservable inputs (Level 3) \| Fair Value, Recurring
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Long-Term Investment	15,000	15,000
Ecosio \| Cash Earn-outs
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Contingent consideration	67,000	86,600	$ 71,000
Ecosio \| Cash Earn-outs \| Fair Value, Recurring
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Contingent consideration	67,000	86,600
Ecosio \| Cash Earn-outs \| Significant unobservable inputs (Level 3) \| Fair Value, Recurring
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Contingent consideration	67,000	86,600
Ecosio \| Stock Earn-outs
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Contingent consideration	7,000	18,900	$ 34,000
Ecosio \| Stock Earn-outs \| Fair Value, Recurring
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Contingent consideration	7,000	18,900
Ecosio \| Stock Earn-outs \| Significant unobservable inputs (Level 3) \| Fair Value, Recurring
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Contingent consideration	$ 7,000	$ 18,900