CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE (LOSS) INCOME (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenue:
Total revenue	$ 64,399	$ 104,277
Cost of revenue:
Total cost of revenue	37,720	48,237
Gross profit	26,679	56,040
Operating expenses:
Research and development	22,673	21,606
Selling, general and administrative	22,329	21,880
Total operating expenses	45,002	43,486
(Loss) income from operations	(18,323)	12,554
Other income (expense):
Interest income	34	114
Interest expense	(3,688)	(3,918)
Loss on foreign currency, net	(273)	(747)
Other income, net	18	72
Total other income (expense), net	(3,909)	(4,479)
(Loss) income before provision for income taxes	(22,232)	8,075
Provision for income taxes	10,352	2,326
Net (loss) income	(32,584)	5,749
Other comprehensive income (loss) —foreign currency translation adjustment, net of tax	119	(336)
Comprehensive (loss) income	$ (32,465)	$ 5,413
Net (loss) income per share attributable to common stockholders:
Basic	$ (0.39)	$ 0.07
Diluted	$ (0.39)	$ 0.06
Weighted-average shares used to compute net (loss) income per share attributable to common stockholders:
Basic	84,583	84,242
Diluted	84,583	88,568
Product
Revenue:
Total revenue	$ 52,545	$ 93,798
Cost of revenue:
Total cost of revenue	36,228	47,026
Service
Revenue:
Total revenue	11,854	10,479
Cost of revenue:
Total cost of revenue	$ 1,492	$ 1,211