Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Net sales	$ 462,779	$ 320,647	$ 818,688	$ 601,018
Cost of goods sold	121,515	89,163	218,931	177,305
Gross profit	341,264	231,484	599,757	423,713
OPERATING EXPENSES:
Research and development	81,068	28,314	108,277	50,039
Selling, general and administrative	222,332	167,095	470,107	339,394
Loss on sale of assets		10,963		10,963
Total operating expenses	303,400	206,372	578,384	400,396
Operating income	37,864	25,112	21,373	23,317
OTHER EXPENSE, NET:
Interest expense, net	(18,571)	(22,033)	(35,915)	(49,563)
Loss on debt extinguishment	(17,254)	(11,878)	(17,254)	(17,464)
Foreign exchange gain	283	76	1,059	15
Other income (expense), net	632	(1,272)	1,074	(1,083)
Total other expense, net	(34,910)	(35,107)	(51,036)	(68,095)
Income (loss) before expense (benefit) for income taxes	2,954	(9,995)	(29,663)	(44,778)
Expense (benefit) for income taxes	82,964	(4,875)	63,938	(6,795)
Net loss	$ (80,010)	$ (5,120)	$ (93,601)	$ (37,983)
Net loss per ordinary share—basic and diluted	$ (0.42)	$ (0.03)	$ (0.49)	$ (0.21)
Weighted average ordinary shares outstanding—basic and diluted	192,705,535	185,327,383	191,426,864	178,866,391
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX
Foreign currency translation adjustments	$ 344	$ 344	$ 19	$ (143)
Other comprehensive income (loss)	344	344	19	(143)
Comprehensive loss	$ (79,666)	$ (4,776)	$ (93,582)	$ (38,126)