FAIR VALUE MEASUREMENTS, CASH EQUIVALENTS AND MARKETABLE SECURITIES - Schedule of Fair Value Hierarchy of Financial Assets Measured at Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total cash equivalents	$ 66,552	$ 247,236
Total short-term marketable securities	753,761	654,703
Total	820,313	901,939
U.S. government treasury bills
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total short-term marketable securities	753,761	654,703
Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total cash equivalents	66,552	247,236
Total short-term marketable securities	753,761	654,703
Total	820,313	901,939
Level 1 | U.S. government treasury bills
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total short-term marketable securities	753,761	654,703
Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total cash equivalents	0	0
Total short-term marketable securities	0	0
Total	0	0
Level 2 | U.S. government treasury bills
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total short-term marketable securities	0	0
Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total cash equivalents	0	0
Total short-term marketable securities	0	0
Total	0	0
Level 3 | U.S. government treasury bills
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total short-term marketable securities	0	0
Money market funds
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total cash equivalents	66,552	63,195
Money market funds | Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total cash equivalents	66,552	63,195
Money market funds | Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total cash equivalents	0	0
Money market funds | Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total cash equivalents	$ 0	0
U.S. government treasury bills
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total cash equivalents		184,041
U.S. government treasury bills | Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total cash equivalents		184,041
U.S. government treasury bills | Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total cash equivalents		0
U.S. government treasury bills | Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total cash equivalents		$ 0