Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues	$ 298,973	$ 331,386	$ 589,602	$ 650,214
Cost of revenues	164,530	173,294	330,130	342,075
Gross profit	134,443	158,092	259,472	308,139
Operating expenses:
Research and development	23,137	26,355	46,015	51,385
Selling, general, and administrative	103,558	119,252	228,672	239,185
Total operating expenses	126,695	145,607	274,687	290,570
Income (loss) from operations	7,748	12,485	(15,215)	17,569
Interest and other income (expense), net	4,461	(1,711)	6,242	(1,825)
Income (loss) before income taxes	12,209	10,774	(8,973)	15,744
Provision for (benefit from) income taxes	8,758	1,705	2,576	(1,538)
Net income (loss)	$ 3,451	$ 9,069	$ (11,549)	$ 17,282
Net income (loss) per share:
Basic (in dollars per share)	$ 0.08	$ 0.21	$ (0.26)	$ 0.39
Diluted (in dollars per share)	$ 0.08	$ 0.20	$ (0.26)	$ 0.37
Weighted-average shares outstanding:
Basic (in shares)	45,125	44,219	45,007	44,234
Diluted (in shares)	45,472	46,260	45,007	47,121
Product revenues
Revenues	$ 188,436	$ 233,806	$ 374,151	$ 459,681
Cost of revenues	107,962	121,814	217,489	240,152
Services and other revenues
Revenues	110,537	97,580	215,451	190,533
Cost of revenues	$ 56,568	$ 51,480	$ 112,641	$ 101,923