Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current Assets:
Cash and cash equivalents	$ 703,926	$ 177,254
Marketable securities	518,731	146,401
Accounts receivable, net	163,608	130,667
Inventory	82,215	61,724
Prepaid expenses and other current assets	36,378	40,913
Total current assets	1,504,858	556,959
Long-term Assets:
Property, plant and equipment, net	463,437	455,325
Operating lease right-of-use assets	132,751	126,444
Goodwill	1,237,672	1,203,197
Intangible assets, net	1,105,115	1,143,550
Other long-term assets, net	23,902	20,293
Total assets	4,467,735	3,505,768
Current Liabilities:
Accounts payable	30,998	25,973
Accrued liabilities	139,505	193,329
Operating lease liabilities, current portion	9,871	7,891
Debt, current portion	1,319	834
Other current liabilities	40,581	8,467
Total current liabilities	222,274	236,494
Long-term Liabilities:
Convertible notes, net	1,534,383	803,605
Long-term debt, less current portion	22,944	24,032
Other long-term liabilities	50,311	34,911
Operating lease liabilities, less current portion	126,630	118,665
Total liabilities	1,956,542	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 June 30, 2020 and December 31, 2019	0	0
Common stock, $0.01 par value Authorized—200,000,000 shares issued and outstanding—149,980,798 and 147,625,696 shares at June 30, 2020 and December 31, 2019	1,501	1,477
Additional paid-in capital	3,819,798	3,406,440
Accumulated other comprehensive income (loss)	1,489	(100)
Accumulated deficit	(1,311,595)	(1,119,756)
Total stockholders’ equity	2,511,193	2,288,061
Total liabilities and stockholders’ equity	$ 4,467,735	$ 3,505,768