Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Income Statement [Abstract]
Total revenues	$ 169,143	$ 73,692
Cost of sales	62,872	25,193
Gross profit	106,271	48,499
Research and development	12,621	7,875
Sales and marketing	28,558	14,223
General and administrative	10,532	7,120
Acquisition and integration costs	3,467	52
Total operating expenses	55,178	29,270
Operating income	51,093	19,229
Interest expense, net	(7,850)	(2,825)
Loss on extinguishment of debt	(4,567)	0
Total other expense, net	(12,417)	(2,825)
Income before income taxes	38,676	16,404
Provision for income taxes	4,718	2,114
Net income	$ 33,958	$ 14,290
Basic earnings per share	$ 0.96	$ 0.43
Diluted earnings per share	$ 0.86	$ 0.42
Shares used in basic and diluted per share calculation (in shares)	35,236	33,202