MARKETABLE SECURITIES - Schedule of Marketable Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Marketable Securities [Line Items]
Amortized Cost	$ 187,032
Unrealized Gains	1
Unrealized Losses	(223)
Fair Value	186,810	$ 0
Government debt
Marketable Securities [Line Items]
Amortized Cost	50,987
Unrealized Gains	0
Unrealized Losses	(11)
Fair Value	50,976
Corporate debt
Marketable Securities [Line Items]
Amortized Cost	136,045
Unrealized Gains	1
Unrealized Losses	(212)
Fair Value	$ 135,834

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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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

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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).

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