MARKETABLE DEBT SECURITIES - Available for Sale Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Marketable debt securities, available-for-sale, amortized cost basis, current	$ 287,615	$ 262,345
Marketable debt securities available for sale, unrealized gain, current	2	0
Marketable debt securities available for sale unrealized loss, current	(2,091)	(159)
Marketable debt securities, available-for-sale, current	285,526	262,186
Marketable debt securities, available-for-sale, amortized cost basis, noncurrent	103,897	125,254
Marketable debt securities, available for sale unrealized gain, noncurrent	39	0
Marketable debt securities available for sale unrealized loss, noncurrent	(905)	(311)
Marketable debt securities, available-for-sale, noncurrent	103,031	124,943
Marketable debt securities, available-for-sale, amortized cost	391,512	387,599
Marketable debt securities, available-for-sale, accumulated gross unrealized gain, before tax	41	0
Marketable debt securities, available-for-sale, accumulated gross unrealized loss, before tax	(2,996)	(470)
Marketable debt securities, available-for-sale	388,557	387,129
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Marketable debt securities, available-for-sale, amortized cost basis, current	124,301	127,435
Marketable debt securities available for sale, unrealized gain, current	2	0
Marketable debt securities available for sale unrealized loss, current	(656)	(56)
Marketable debt securities, available-for-sale, current	123,647	127,379
Marketable debt securities, available-for-sale	123,647	127,379
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Marketable debt securities, available-for-sale, amortized cost basis, current	155,841	113,001
Marketable debt securities available for sale, unrealized gain, current	0	0
Marketable debt securities available for sale unrealized loss, current	(1,355)	(98)
Marketable debt securities, available-for-sale, current	154,486	112,903
Marketable debt securities, available-for-sale, amortized cost basis, noncurrent	70,195	120,705
Marketable debt securities, available for sale unrealized gain, noncurrent	33	0
Marketable debt securities available for sale unrealized loss, noncurrent	(659)	(289)
Marketable debt securities, available-for-sale, noncurrent	69,569	120,416
Marketable debt securities, available-for-sale	224,055	233,319
Securities of government-sponsored entities
Debt Securities, Available-for-sale [Line Items]
Marketable debt securities, available-for-sale, amortized cost basis, current	7,473	21,909
Marketable debt securities available for sale, unrealized gain, current	0	0
Marketable debt securities available for sale unrealized loss, current	(80)	(5)
Marketable debt securities, available-for-sale, current	7,393	21,904
Marketable debt securities, available-for-sale, amortized cost basis, noncurrent	33,702	4,549
Marketable debt securities, available for sale unrealized gain, noncurrent	6	0
Marketable debt securities available for sale unrealized loss, noncurrent	(246)	(22)
Marketable debt securities, available-for-sale, noncurrent	33,462	4,527
Marketable debt securities, available-for-sale	$ 40,855	$ 26,431

Debt Securities Available For Sale, Unrealized Gain, Current

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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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