Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenues	$ 276,788	$ 298,973	$ 522,939	$ 589,602
Cost of revenues	162,437	164,530	315,965	330,130
Gross profit	114,351	134,443	206,974	259,472
Operating expenses:
Research and development	21,102	23,137	43,158	46,015
Selling, general, and administrative	90,025	103,558	182,439	228,672
Total operating expenses	111,127	126,695	225,597	274,687
Income (loss) from operations	3,224	7,748	(18,623)	(15,215)
Interest and other income (expense), net	4,973	4,461	8,989	6,242
Income (loss) before income taxes	8,197	12,209	(9,634)	(8,973)
Provision for income taxes	4,462	8,758	2,307	2,576
Net income (loss)	$ 3,735	$ 3,451	$ (11,941)	$ (11,549)
Net income (loss) per share:
Basic (in dollars per share)	$ 0.08	$ 0.08	$ (0.26)	$ (0.26)
Diluted (in dollars per share)	$ 0.08	$ 0.08	$ (0.26)	$ (0.26)
Weighted-average shares outstanding:
Basic (in shares)	45,953	45,125	45,842	45,007
Diluted (in shares)	46,036	45,472	45,842	45,007
Product revenues
Revenues	$ 156,580	$ 188,436	$ 289,875	$ 374,151
Cost of revenues	99,381	107,962	191,822	217,489
Service revenues
Revenues	120,208	110,537	233,064	215,451
Cost of revenues	$ 63,056	$ 56,568	$ 124,143	$ 112,641