Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 919,454	$ 274,562
Short-term investments	798,921	536,493
Accounts receivable, net	293,416	236,001
Inventories	96,727	85,932
Prepaid expenses and other current assets	57,521	43,653
Total current assets	2,166,039	1,176,641
Property and equipment, net	192,867	155,491
Operating lease right-of-use assets	64,282	65,230
Long-term investments	0	57,283
Intangible assets, net	289,484	25
In-process research and development	0	300,000
Goodwill	274,671	274,671
Other non-current assets	17,618	176,525
Total assets	3,004,961	2,205,866
Current liabilities:
Accounts payable	68,650	52,292
Accrued liabilities and other	274,038	207,065
Deferred revenue	250,450	0
Total current liabilities	593,138	259,357
Long-term liabilities:
Operating lease liabilities, long-term	65,003	67,607
Other long-term liabilities	88,790	2,615
Total long-term liabilities	153,793	70,222
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.001 par value, 5,000 shares authorized; none issued	0	0
Common stock, $0.001 par value, 250,000 shares authorized; 175,188 shares issued and outstanding at September 30, 2020 and 171,994 shares issued and outstanding at December 31, 2019	175	172
Additional paid-in capital	3,293,668	3,359,124
Accumulated other comprehensive income	850	229
Accumulated deficit	(1,036,663)	(1,483,238)
Total stockholders’ equity	2,258,030	1,876,287
Total liabilities and stockholders’ equity	$ 3,004,961	$ 2,205,866