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FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS - Debt (Details) - 2019 Notes - Level 1 - Convertible Senior Notes - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Carrying amount
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt	$ 228,822	$ 228,572
Fair value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt	$ 220,379	$ 220,292

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- Definition

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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