INVESTMENTS - Marketable Securities by Security Type Summarized (Details) $ in Thousands	Dec. 31, 2021 USD ($)
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 262,527
Gross Unrealized Loss	(676)
Debt securities, available-for-sale, fair value	261,851
Asset backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	11,101
Gross Unrealized Loss	(56)
Debt securities, available-for-sale, fair value	11,045
Commercial paper and corporate bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	234,497
Gross Unrealized Loss	(551)
Debt securities, available-for-sale, fair value	233,946
U.S. government agency debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	16,929
Gross Unrealized Loss	(69)
Debt securities, available-for-sale, fair value	$ 16,860

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2
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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).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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