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FAIR VALUE MEASUREMENTS - SECURITY TYPE (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Included in cash and cash equivalents:
Amortized Cost	$ 76,458	$ 39,771
Gross Unrealized Gains	6
Gross Unrealized Losses	(30)
Estimated Fair Value	76,434	39,771
Restricted cash:
Amortized Cost	365	364
Estimated Fair Value	365	364
Marketable securities:
Amortized Cost	296,205	116,142
Gross Unrealized Gains	109	6
Gross Unrealized Losses	(250)	(247)
Estimated Fair Value	296,064	115,901
Money market funds
Included in cash and cash equivalents:
Amortized Cost	35,361	39,771
Estimated Fair Value	35,361	39,771
Restricted cash:
Amortized Cost	93	93
Estimated Fair Value	93	93
Government-sponsored enterprise securities
Included in cash and cash equivalents:
Amortized Cost	7,440
Gross Unrealized Gains	5
Estimated Fair Value	7,445
Commercial paper
Included in cash and cash equivalents:
Amortized Cost	33,657
Gross Unrealized Gains	1
Gross Unrealized Losses	(30)
Estimated Fair Value	33,628
Certificate of deposit
Restricted cash:
Amortized Cost	272	271
Estimated Fair Value	272	271
U.S. Treasury securities (due in less than one year)
Marketable securities:
Amortized Cost		12,983
Gross Unrealized Losses		(62)
Estimated Fair Value		12,921
Municipal securities (due in less than one year)
Marketable securities:
Amortized Cost		3,000
Gross Unrealized Losses		(24)
Estimated Fair Value		2,976
Government-sponsored enterprise securities (due in less than one year)
Marketable securities:
Amortized Cost	61,664	9,860
Gross Unrealized Gains	42
Gross Unrealized Losses	(15)	(14)
Estimated Fair Value	61,691	9,846
Government-sponsored enterprise securities (due in one to two years)
Marketable securities:
Amortized Cost	11,845
Gross Unrealized Gains	22
Estimated Fair Value	11,867
Commercial paper (due in less than one year)
Marketable securities:
Amortized Cost	191,461	64,285
Gross Unrealized Gains	31	6
Gross Unrealized Losses	(174)	(92)
Estimated Fair Value	191,318	64,199
Corporate notes (due in less than one year)
Marketable securities:
Amortized Cost	14,984	26,014
Gross Unrealized Losses	(29)	(55)
Estimated Fair Value	14,955	$ 25,959
Corporate notes (due in one to two years)
Marketable securities:
Amortized Cost	16,251
Gross Unrealized Gains	14
Gross Unrealized Losses	(32)
Estimated Fair Value	$ 16,233

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