Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 738,975	$ 852,467
Accounts receivable, net of allowance of $0 at June 30, 2017 and December 31, 2016	85,228	77,260
Income tax receivable	249	296
Restricted cash	11,182	6,199
Prepaid expenses and other current assets	28,078	29,254
Total current assets	863,712	965,476
Goodwill	642,681	613,335
Other intangible assets, net	43,896	25,430
Property and equipment, net	267,453	269,439
Restricted cash	250	3,050
Prepaid expenses and other long-term assets	39,401	29,119
Total assets	1,857,393	1,905,849
Current liabilities:
Accounts payable	14,264	23,999
Income tax payable	4,638	1,889
Other current liabilities	76,935	75,754
Deferred revenue	155,085	141,998
Total current liabilities	250,922	243,640
Deferred revenue	92	158
Deferred tax liabilities	6,259	5,791
Other non-current liabilities	23,213	75,596
Total liabilities	280,486	325,185
Stockholders’ equity:
Common stock, $0.00000625 par value, and additional paid in capital - authorized shares: 2,020,517; shares outstanding: 865,461 shares (Class A, 776,685, Class B, 68,259 Class C, 20,517) as of June 30, 2017 and 886,850 (Class A, 770,269, Class B, 96,064, Class C, 20,517) as of December 31, 2016	3,390,996	3,349,714
Accumulated other comprehensive income (loss)	(111,686)	(128,694)
Accumulated deficit	(1,702,403)	(1,640,356)
Total stockholders’ equity	1,576,907	1,580,664
Total liabilities and stockholders’ equity	$ 1,857,393	$ 1,905,849