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SHORT-TERM INVESTMENTS - Schedule of Short-Term Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Short-term investments:
Amortized cost	$ 163,756	$ 173,183
Unrealized gain	3	17
Unrealized Loss	(1,685)	(192)
Estimated Fair Value	162,074	173,008
Corporate debt securities
Short-term investments:
Amortized cost	17,056	42,174
Unrealized gain	0	11
Unrealized Loss	(164)	(52)
Estimated Fair Value	16,892	42,133
Commercial paper
Short-term investments:
Amortized cost	18,922	20,743
Unrealized gain	0	0
Unrealized Loss	0	0
Estimated Fair Value	18,922	20,743
U.S. government bonds
Short-term investments:
Amortized cost	106,774	86,265
Unrealized gain	0	0
Unrealized Loss	(1,515)	(135)
Estimated Fair Value	105,259	86,130
Certificate of deposits
Short-term investments:
Amortized cost	9,986	21,501
Unrealized gain	0	6
Unrealized Loss	0	0
Estimated Fair Value	9,986	21,507
Treasury bills
Short-term investments:
Amortized cost	9,518
Unrealized gain	3
Unrealized Loss	(5)
Estimated Fair Value	9,516
Agency bonds
Short-term investments:
Amortized cost	1,500	2,500
Unrealized gain	0	0
Unrealized Loss	(1)	(5)
Estimated Fair Value	$ 1,499	$ 2,495

X

- Definition

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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