Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current Assets:
Cash and cash equivalents	$ 806,678	$ 177,254
Marketable securities	476,324	146,401
Accounts receivable, net	206,606	130,667
Inventory	80,427	61,724
Prepaid expenses and other current assets	36,592	40,913
Total current assets	1,606,627	556,959
Long-term Assets:
Property, plant and equipment, net	456,455	455,325
Operating lease right-of-use assets	129,837	126,444
Goodwill	1,237,672	1,203,197
Intangible assets, net	871,660	1,143,550
Other long-term assets, net	52,119	20,293
Total assets	4,354,370	3,505,768
Current Liabilities:
Accounts payable	26,061	25,973
Accrued liabilities	182,945	193,329
Operating lease liabilities, current portion	10,746	7,891
Debt, current portion	1,319	834
Other current liabilities	31,761	8,467
Total current liabilities	252,832	236,494
Long-term Liabilities:
Convertible notes, net	1,554,967	803,605
Long-term debt, less current portion	22,643	24,032
Other long-term liabilities	62,821	34,911
Operating lease liabilities, less current portion	124,007	118,665
Total liabilities	2,017,270	1,217,707
Commitments and contingencies
Stockholders’ Equity:
Preferred stock, $0.01 par value Authorized—5,000,000 shares issued and outstanding—no shares at September 30, 2020 and December 31, 2019	0	0
Common stock, $0.01 par value Authorized—400,000,000 shares issued and outstanding—150,373,486 and 147,625,696 shares at September 30, 2020 and December 31, 2019	1,505	1,477
Additional paid-in capital	3,865,990	3,406,440
Accumulated other comprehensive income (loss)	1,084	(100)
Accumulated deficit	(1,531,479)	(1,119,756)
Total stockholders’ equity	2,337,100	2,288,061
Total liabilities and stockholders’ equity	$ 4,354,370	$ 3,505,768