MARKETABLE SECURITIES - Schedule of Underlying Maturities of AFS Securities (Details) $ in Thousands	Sep. 30, 2022 USD ($)
Available-for-sale securities
Due in one year or less, Cost	$ 401,109
Due in one year or less, Fair Value	395,132
Due after one year through five years, Cost	96,567
Due after one year through five years, Fair Value	94,627
Cash equivalents
Available-for-sale securities
Due in one year or less, Cost	61,338
Due in one year or less, Fair Value	61,338
Due after one year through five years, Cost	0
Due after one year through five years, Fair Value	0
Cash equivalents \| Commercial paper
Available-for-sale securities
Due in one year or less, Cost	58,917
Due in one year or less, Fair Value	58,917
Due after one year through five years, Cost	0
Due after one year through five years, Fair Value	0
Cash equivalents \| U.S. government agency securities
Available-for-sale securities
Due in one year or less, Cost	2,421
Due in one year or less, Fair Value	2,421
Due after one year through five years, Cost	0
Due after one year through five years, Fair Value	0
Marketable securities
Available-for-sale securities
Due in one year or less, Cost	339,771
Due in one year or less, Fair Value	333,794
Due after one year through five years, Cost	96,567
Due after one year through five years, Fair Value	94,627
Marketable securities \| Commercial paper
Available-for-sale securities
Due in one year or less, Cost	1,988
Due in one year or less, Fair Value	1,988
Due after one year through five years, Cost	0
Due after one year through five years, Fair Value	0
Marketable securities \| U.S. government agency securities
Available-for-sale securities
Due in one year or less, Cost	238,617
Due in one year or less, Fair Value	234,274
Due after one year through five years, Cost	9,734
Due after one year through five years, Fair Value	9,581
Marketable securities \| Corporate bonds
Available-for-sale securities
Due in one year or less, Cost	93,666
Due in one year or less, Fair Value	92,032
Due after one year through five years, Cost	22,961
Due after one year through five years, Fair Value	22,172
Marketable securities \| Certificates of deposit
Available-for-sale securities
Due in one year or less, Cost	5,500
Due in one year or less, Fair Value	5,500
Due after one year through five years, Cost	0
Due after one year through five years, Fair Value	0
Marketable securities \| Asset backed securities
Available-for-sale securities
Due in one year or less, Cost	0
Due in one year or less, Fair Value	0
Due after one year through five years, Cost	63,872
Due after one year through five years, Fair Value	$ 62,874

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-SubTopic 10
-Section 50
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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