FAIR VALUE MEASUREMENTS - Schedule of Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Fair value measurements
Equity securities	$ 2,586	$ 3,841
Non-marketable securities	6,560	7,650
Contingent consideration	294,260	288,657
Contingent consideration	(21,700)
Fair Value, Recurring
Fair value measurements
Restricted cash (1)	4,297	4,297
Equity securities	2,586	3,841
Non-marketable securities	6,560	7,650
Contingent consideration		288,657
Contingent consideration	(294,260)
Total	368,690	500,934
Fair Value, Recurring \| Corporate bonds
Fair value measurements
Estimated Fair Value	140,845	55,828
Fair Value, Recurring \| Commercial paper
Fair value measurements
Estimated Fair Value	8,712	20,984
Fair Value, Recurring \| U.S. government agency securities
Fair value measurements
Estimated Fair Value	81,713	56,716
Fair Value, Recurring \| Asset backed securities
Fair value measurements
Estimated Fair Value	70,750	34,897
Fair Value, Recurring \| Cash and money market
Fair value measurements
Cash and cash equivalents, fair value	329,357	530,100
Fair Value, Recurring \| U.S. government agency securities
Fair value measurements
Cash and cash equivalents, fair value	18,130	3,035
Fair Value, Recurring \| Commercial paper
Fair value measurements
Cash and cash equivalents, fair value		72,243
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Fair Value, Recurring
Fair value measurements
Restricted cash (1)	4,297	4,297
Equity securities	2,586	3,841
Non-marketable securities	0	0
Contingent consideration		0
Contingent consideration	0
Total	336,240	538,238
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Fair Value, Recurring \| Corporate bonds
Fair value measurements
Estimated Fair Value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Fair Value, Recurring \| Commercial paper
Fair value measurements
Estimated Fair Value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Fair Value, Recurring \| U.S. government agency securities
Fair value measurements
Estimated Fair Value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Fair Value, Recurring \| Asset backed securities
Fair value measurements
Estimated Fair Value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Fair Value, Recurring \| Cash and money market
Fair value measurements
Cash and cash equivalents, fair value	329,357	530,100
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Fair Value, Recurring \| U.S. government agency securities
Fair value measurements
Cash and cash equivalents, fair value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Fair Value, Recurring \| Commercial paper
Fair value measurements
Cash and cash equivalents, fair value		0
Significant Other Observable Inputs (Level 2) \| Fair Value, Recurring
Fair value measurements
Restricted cash (1)	0	0
Equity securities	0	0
Non-marketable securities	0	0
Contingent consideration		0
Contingent consideration	0
Total	320,150	243,703
Significant Other Observable Inputs (Level 2) \| Fair Value, Recurring \| Corporate bonds
Fair value measurements
Estimated Fair Value	140,845	55,828
Significant Other Observable Inputs (Level 2) \| Fair Value, Recurring \| Commercial paper
Fair value measurements
Estimated Fair Value	8,712	20,984
Significant Other Observable Inputs (Level 2) \| Fair Value, Recurring \| U.S. government agency securities
Fair value measurements
Estimated Fair Value	81,713	56,716
Significant Other Observable Inputs (Level 2) \| Fair Value, Recurring \| Asset backed securities
Fair value measurements
Estimated Fair Value	70,750	34,897
Significant Other Observable Inputs (Level 2) \| Fair Value, Recurring \| Cash and money market
Fair value measurements
Cash and cash equivalents, fair value	0	0
Significant Other Observable Inputs (Level 2) \| Fair Value, Recurring \| U.S. government agency securities
Fair value measurements
Cash and cash equivalents, fair value	18,130	3,035
Significant Other Observable Inputs (Level 2) \| Fair Value, Recurring \| Commercial paper
Fair value measurements
Cash and cash equivalents, fair value		72,243
Significant Unobservable Inputs (Level 3) \| Fair Value, Recurring
Fair value measurements
Restricted cash (1)	0	0
Equity securities	0	0
Non-marketable securities	6,560	7,650
Contingent consideration		288,657
Contingent consideration	(294,260)
Total	(287,700)	(281,007)
Significant Unobservable Inputs (Level 3) \| Fair Value, Recurring \| Corporate bonds
Fair value measurements
Estimated Fair Value	0	0
Significant Unobservable Inputs (Level 3) \| Fair Value, Recurring \| Commercial paper
Fair value measurements
Estimated Fair Value	0	0
Significant Unobservable Inputs (Level 3) \| Fair Value, Recurring \| U.S. government agency securities
Fair value measurements
Estimated Fair Value	0	0
Significant Unobservable Inputs (Level 3) \| Fair Value, Recurring \| Asset backed securities
Fair value measurements
Estimated Fair Value	0	0
Significant Unobservable Inputs (Level 3) \| Fair Value, Recurring \| Cash and money market
Fair value measurements
Cash and cash equivalents, fair value	0	0
Significant Unobservable Inputs (Level 3) \| Fair Value, Recurring \| U.S. government agency securities
Fair value measurements
Cash and cash equivalents, fair value	$ 0	0
Significant Unobservable Inputs (Level 3) \| Fair Value, Recurring \| Commercial paper
Fair value measurements
Cash and cash equivalents, fair value		$ 0

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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