CONDENSED CONSOLIDATED BALANCE SHEET (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 60,212	$ 288,863
Short-term investments	32,643	22,918
Accounts receivable, net	44,759	55,222
Inventories	11,351	13,466
Prepaid expenses and other current assets	90,047	31,828
Total current assets	239,012	412,297
Long-term investments	16,114	29,005
Property and equipment, net	292,782	281,779
Intangible assets, net	47,501	62,323
Goodwill	408,975	408,975
Other assets	13,554	10,948
Total assets	1,017,938	1,205,327
Current liabilities:
Accounts payable	17,865	35,329
Accrued liabilities	88,233	149,134
Deferred revenue, current portion	22,082	27,329
Total current liabilities	128,180	211,792
Convertible senior notes, net	275,108	264,361
Other liabilities	137,603	123,112
Total liabilities	540,891	599,265
Commitments and contingencies (Note 10)
Stockholders' equity:
Common stock, $0.0001 par value; 100,000 shares authorized; 33,950 and 34,777 shares issued and outstanding on June 30, 2016 and December 31, 2015, respectively	3	4
Additional paid-in capital	937,026	900,218
Accumulated other comprehensive income (loss)	24	(68)
Accumulated deficit	(460,006)	(294,092)
Total stockholders' equity	477,047	606,062
Total liabilities and stockholders' equity	$ 1,017,938	$ 1,205,327

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.