Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenue	$ 293,317	$ 186,209	$ 547,772	$ 351,987
Cost of revenue	129,102	83,616	242,498	157,947
Gross profit	164,215	102,593	305,274	194,040
Operating expenses:
Research and development	44,753	31,673	86,645	57,629
Selling, general and administrative	57,238	40,883	108,691	73,047
Litigation expense	1,596	2,082	3,224	4,423
Total operating expenses	103,587	74,638	198,560	135,099
Income from operations	60,628	27,955	106,714	58,941
Other income, net	3,031	5,200	5,618	3,486
Income before income taxes	63,659	33,155	112,332	62,427
Income tax expense (benefit)	8,490	2,988	11,750	(3,495)
Net income	$ 55,169	$ 30,167	$ 100,582	$ 65,922
Net income per share
Basic (in dollars per share)	$ 1.20	$ 0.67	$ 2.20	$ 1.48
Diluted (in dollars per share)	$ 1.16	$ 0.64	$ 2.11	$ 1.41
Weighted-average shares outstanding:
Basic (in shares)	45,796	44,785	45,647	44,620
Diluted (in shares)	47,754	46,831	47,732	46,750