Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current Assets:
Cash and cash equivalents	$ 1,491,288	$ 177,254
Marketable securities	348,699	146,401
Accounts receivable, net	233,185	130,362
Inventory	92,265	61,724
Prepaid expenses and other current assets	33,157	38,195
Total current assets	2,198,594	553,936
Long-term Assets:
Property, plant and equipment, net	450,683	455,325
Operating lease right-of-use assets	125,947	126,444
Goodwill	1,237,672	1,203,197
Intangible assets, net	848,426	1,143,550
Other long-term assets, net	63,770	23,316
Total assets	4,925,092	3,505,768
Current Liabilities:
Accounts payable	35,709	25,973
Accrued liabilities	233,604	193,329
Operating lease liabilities, current portion	11,483	7,891
Convertible notes, net, current portion	255,464	0
Debt, current portion	1,319	834
Other current liabilities	38,265	8,467
Total current liabilities	575,844	236,494
Convertible notes, net, less current portion	1,320,760	803,605
Long-term debt, less current portion	22,342	24,032
Other long-term liabilities	61,582	34,911
Operating lease liabilities, less current portion	121,075	118,665
Total liabilities	2,101,603	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 December 31, 2020 and December 31, 2019	0	0
Common stock, $0.01 par value Authorized—400,000,000 shares issued and outstanding—159,423,410 and 147,625,696 shares at December 31, 2020 and December 31, 2019	1,595	1,477
Additional paid-in capital	4,789,657	3,406,440
Accumulated other comprehensive income (loss)	526	(100)
Accumulated deficit	(1,968,289)	(1,119,756)
Total stockholders’ equity	2,823,489	2,288,061
Total liabilities and stockholders’ equity	$ 4,925,092	$ 3,505,768