MARKETABLE SECURITIES - Schedule of Available For Sale Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Available-for-sale securities
Amortized Cost	$ 454,029	$ 781,271
Gains in Accumulated Other Comprehensive Income (Loss)	22	17
Losses in Accumulated Other Comprehensive Income (Loss)	(5,311)	(1,483)
Estimated Fair Value	448,740	779,805
Cash equivalents
Available-for-sale securities
Amortized Cost	64,325	68,136
Gains in Accumulated Other Comprehensive Income (Loss)	0	0
Losses in Accumulated Other Comprehensive Income (Loss)	0	0
Estimated Fair Value	64,325	68,136
Marketable securities
Available-for-sale securities
Amortized Cost	389,704	713,135
Gains in Accumulated Other Comprehensive Income (Loss)	22	17
Losses in Accumulated Other Comprehensive Income (Loss)	(5,311)	(1,483)
Estimated Fair Value	384,415	711,669
U.S. government agency securities \| Cash equivalents
Available-for-sale securities
Amortized Cost	1,304	3,543
Gains in Accumulated Other Comprehensive Income (Loss)	0	0
Losses in Accumulated Other Comprehensive Income (Loss)	0	0
Estimated Fair Value	1,304	3,543
U.S. government agency securities \| Marketable securities
Available-for-sale securities
Amortized Cost	228,012	250,793
Gains in Accumulated Other Comprehensive Income (Loss)	0	0
Losses in Accumulated Other Comprehensive Income (Loss)	(2,789)	(873)
Estimated Fair Value	225,223	249,920
Commercial paper \| Cash equivalents
Available-for-sale securities
Amortized Cost	63,021	64,593
Gains in Accumulated Other Comprehensive Income (Loss)	0	0
Losses in Accumulated Other Comprehensive Income (Loss)	0	0
Estimated Fair Value	63,021	64,593
Corporate bonds \| Marketable securities
Available-for-sale securities
Amortized Cost	116,318	313,634
Gains in Accumulated Other Comprehensive Income (Loss)	20	13
Losses in Accumulated Other Comprehensive Income (Loss)	(1,667)	(493)
Estimated Fair Value	114,671	313,154
Asset backed securities \| Marketable securities
Available-for-sale securities
Amortized Cost	45,374	94,565
Gains in Accumulated Other Comprehensive Income (Loss)	2	2
Losses in Accumulated Other Comprehensive Income (Loss)	(855)	(107)
Estimated Fair Value	$ 44,521	94,460
Commercial paper \| Marketable securities
Available-for-sale securities
Amortized Cost		6,996
Gains in Accumulated Other Comprehensive Income (Loss)		0
Losses in Accumulated Other Comprehensive Income (Loss)		0
Estimated Fair Value		6,996
Certificates of deposit \| Marketable securities
Available-for-sale securities
Amortized Cost		47,147
Gains in Accumulated Other Comprehensive Income (Loss)		2
Losses in Accumulated Other Comprehensive Income (Loss)		(10)
Estimated Fair Value		$ 47,139

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on 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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-Section 50
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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on 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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Amortized cost excluding accrued interest, before allowance for credit loss, 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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-Publisher FASB
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Amount excluding accrued interest, 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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