CASH, CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS - Schedule of Cash and Cash Equivalents and Short-Term Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-Sale [Line Items]
Cash and cash equivalents	$ 185,963	$ 115,326
HTM Securities
Debt securities, held-to-maturity, adjusted cost basis and recorded basis	517,993	537,153
Unrealized gains	1,673	1,086
Unrealized losses	(1,467)	(1,139)
Fair market value	518,199	537,100
Debt securities, available-for-sale and held-to-maturity, adjusted cost basis	958,035	969,425
Debt securities, available-for-sale and held-to-maturity, unrealized gains	1,673	1,086
Debt securities, available-for-sale and held-to-maturity, unrealized losses	(1,467)	(1,139)
Debt securities, available-for-sale and held-to-maturity, fair value	958,241	969,372
Debt securities, available-for-sale and held-to-maturity	958,035	969,425
Level 1 | U.S. Treasury bills
HTM Securities
Debt securities, held-to-maturity, adjusted cost basis and recorded basis	166,659	188,030
Unrealized gains	8	8
Unrealized losses	(272)	(540)
Fair market value	166,395	187,498
Level 2 | Government and governmental agencies
HTM Securities
Debt securities, held-to-maturity, adjusted cost basis and recorded basis	26,512	44,357
Unrealized gains	95	12
Unrealized losses	(9)	(12)
Fair market value	26,598	44,357
Level 2 | Corporate debt securities
HTM Securities
Debt securities, held-to-maturity, adjusted cost basis and recorded basis	324,822	304,766
Unrealized gains	1,570	1,066
Unrealized losses	(1,186)	(587)
Fair market value	325,206	305,245
Cash and cash equivalents
HTM Securities
Debt securities, held-to-maturity, adjusted cost basis and recorded basis	39,725	0
Debt securities, available-for-sale and held-to-maturity	185,963	115,326
Cash and cash equivalents | Level 2 | Corporate debt securities
HTM Securities
Debt securities, held-to-maturity, adjusted cost basis and recorded basis	39,725	0
Short-term investments
HTM Securities
Debt securities, held-to-maturity, adjusted cost basis and recorded basis	478,268	537,153
Debt securities, available-for-sale and held-to-maturity	772,072	854,099
Short-term investments | Level 1 | U.S. Treasury bills
HTM Securities
Debt securities, held-to-maturity, adjusted cost basis and recorded basis	166,659	188,030
Short-term investments | Level 2 | Government and governmental agencies
HTM Securities
Debt securities, held-to-maturity, adjusted cost basis and recorded basis	26,512	44,357
Short-term investments | Level 2 | Corporate debt securities
HTM Securities
Debt securities, held-to-maturity, adjusted cost basis and recorded basis	285,097	304,766
Cash
Debt Securities, Available-for-Sale [Line Items]
Cash and cash equivalents, fair value	11,602	9,697
Cash | Cash and cash equivalents
Debt Securities, Available-for-Sale [Line Items]
Cash and cash equivalents	11,602	9,697
Money market funds | Level 1
Debt Securities, Available-for-Sale [Line Items]
Cash and cash equivalents, fair value	132,636	105,629
Money market funds | Cash and cash equivalents | Level 1
Debt Securities, Available-for-Sale [Line Items]
Cash and cash equivalents	132,636	105,629
Certificate of deposits and term deposits | Level 2
Debt Securities, Available-for-Sale [Line Items]
Cash and cash equivalents, fair value	295,804	316,946
Certificate of deposits and term deposits | Cash and cash equivalents | Level 2
Debt Securities, Available-for-Sale [Line Items]
Cash and cash equivalents	2,000	0
Certificate of deposits and term deposits | Short-term investments | Level 2
Debt Securities, Available-for-Sale [Line Items]
Cash and cash equivalents	$ 293,804	$ 316,946