Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenue	$ 1,207,798	$ 844,452	$ 627,921
Cost of revenue	522,339	378,498	281,596
Gross profit	685,459	465,954	346,325
Operating expenses:
Research and development	190,627	137,598	107,757
Selling, general and administrative	226,190	161,670	133,542
Litigation expense, net	6,225	7,804	2,464
Total operating expenses	423,042	307,072	243,763
Operating income	262,417	158,882	102,562
Other income, net	9,802	10,460	10,558
Income before income taxes	272,219	169,342	113,120
Income tax expense	30,196	4,967	4,281
Net income	$ 242,023	$ 164,375	$ 108,839
Net income per share
Basic (in dollars per share)	$ 5.28	$ 3.67	$ 2.52
Diluted (in dollars per share)	$ 5.05	$ 3.50	$ 2.38
Weighted-average shares outstanding:
Basic (in shares)	45,851	44,840	43,165
Diluted (in shares)	47,889	47,014	45,763