Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenue	$ 323,522	$ 259,422	$ 871,294	$ 611,409
Cost of revenue	137,211	116,382	379,709	274,329
Gross profit	186,311	143,040	491,585	337,080
Operating expenses:
Research and development	49,468	37,717	136,113	95,346
Selling, general and administrative	56,291	43,503	164,982	116,550
Litigation expense	3,421	1,841	6,645	6,264
Total operating expenses	109,180	83,061	307,740	218,160
Income from operations	77,131	59,979	183,845	118,920
Other income, net	793	2,494	6,411	5,980
Income before income taxes	77,924	62,473	190,256	124,900
Income tax expense	9,154	6,907	20,904	3,412
Net income	$ 68,770	$ 55,566	$ 169,352	$ 121,488
Net income per share
Basic (in dollars per share)	$ 1.50	$ 1.24	$ 3.70	$ 2.72
Diluted (in dollars per share)	$ 1.44	$ 1.18	$ 3.55	$ 2.59
Weighted-average shares outstanding:
Basic (in shares)	45,970	44,970	45,754	44,737
Diluted (in shares)	47,852	46,955	47,772	46,819