MARKETABLE SECURITIES - Schedule of Available For Sale Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Available-for-sale securities
Amortized Cost	$ 189,307	$ 454,029
Gains in Accumulated Other Comprehensive Income (Loss)	6	22
Losses in Accumulated Other Comprehensive Income (Loss)	(968)	(5,311)
Estimated Fair Value	188,345	448,740
Cash equivalents
Available-for-sale securities
Amortized Cost	51,296	64,325
Gains in Accumulated Other Comprehensive Income (Loss)	0	0
Losses in Accumulated Other Comprehensive Income (Loss)	0	0
Estimated Fair Value	51,296	64,325
Marketable securities
Available-for-sale securities
Amortized Cost	138,011	389,704
Gains in Accumulated Other Comprehensive Income (Loss)	6	22
Losses in Accumulated Other Comprehensive Income (Loss)	(968)	(5,311)
Estimated Fair Value	137,049	384,415
Commercial paper | Cash equivalents
Available-for-sale securities
Amortized Cost	49,806	63,021
Gains in Accumulated Other Comprehensive Income (Loss)	0	0
Losses in Accumulated Other Comprehensive Income (Loss)	0	0
Estimated Fair Value	49,806	63,021
Commercial paper | Marketable securities
Available-for-sale securities
Amortized Cost	8,902
Gains in Accumulated Other Comprehensive Income (Loss)	0
Losses in Accumulated Other Comprehensive Income (Loss)	0
Estimated Fair Value	8,902
U.S. government agency securities | Cash equivalents
Available-for-sale securities
Amortized Cost	1,490	1,304
Gains in Accumulated Other Comprehensive Income (Loss)	0	0
Losses in Accumulated Other Comprehensive Income (Loss)	0	0
Estimated Fair Value	1,490	1,304
U.S. government agency securities | Marketable securities
Available-for-sale securities
Amortized Cost	43,121	228,012
Gains in Accumulated Other Comprehensive Income (Loss)	1	0
Losses in Accumulated Other Comprehensive Income (Loss)	(190)	(2,789)
Estimated Fair Value	42,932	225,223
Corporate bonds | Marketable securities
Available-for-sale securities
Amortized Cost	55,464	116,318
Gains in Accumulated Other Comprehensive Income (Loss)	5	20
Losses in Accumulated Other Comprehensive Income (Loss)	(359)	(1,667)
Estimated Fair Value	55,110	114,671
Asset backed securities | Marketable securities
Available-for-sale securities
Amortized Cost	30,524	45,374
Gains in Accumulated Other Comprehensive Income (Loss)	0	2
Losses in Accumulated Other Comprehensive Income (Loss)	(419)	(855)
Estimated Fair Value	$ 30,105	$ 44,521