BALANCE SHEET DETAILS - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 143,046		$ 143,046		$ 110,886
Less: accumulated depreciation and amortization	(46,378)		(46,378)		(35,216)
Total property and equipment, net	96,668		96,668		75,670
Depreciation and amortization expense	4,100	$ 3,400	11,400	$ 9,900
Increase in internal use software	7,800		24,500
Laboratory and manufacturing equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	5,729		5,729		4,911
Computer equipment and software
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	2,448		2,448		2,315
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	4,198		4,198		4,119
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	23,533		23,533		23,144
Internal-use software
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	60,001		60,001		44,877
Amortization	3,100	$ 2,500	8,600	$ 7,200
Internal-use software in development
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	37,482		37,482		28,069
Construction in progress
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 9,655		$ 9,655		$ 3,451