Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 720,437	$ 852,467
Accounts receivable, net of allowance of $0 at March 31, 2017 and December 31, 2016	86,224	77,260
Income tax receivable	276	296
Restricted cash	11,382	6,199
Prepaid expenses and other current assets	34,936	29,254
Total current assets	853,255	965,476
Goodwill	632,608	613,335
Other intangible assets, net	47,886	25,430
Property and equipment, net	268,884	269,439
Restricted cash	250	3,050
Prepaid expenses and other long-term assets	29,205	29,119
Total assets	1,832,088	1,905,849
Current liabilities:
Accounts payable	13,803	23,999
Income tax payable	3,141	1,889
Other current liabilities	68,979	75,754
Deferred revenue	155,102	141,998
Total current liabilities	241,025	243,640
Deferred revenue	128	158
Deferred tax liabilities	5,848	5,791
Other non-current liabilities	24,459	75,596
Total liabilities	271,460	325,185
Stockholders’ equity:
Common stock, $0.00000625 par value, and additional paid in capital - authorized shares: 2,020,517; shares outstanding: 862,213 shares (Class A, 771,535, Class B, 70,161 Class C, 20,517) as of March 31, 2017 and 886,850 (Class A, 770,269, Class B, 96,064, Class C, 20,517) as of December 31, 2016	3,373,988	3,349,714
Accumulated other comprehensive income (loss)	(123,190)	(128,694)
Accumulated deficit	(1,690,170)	(1,640,356)
Total stockholders’ equity	1,560,628	1,580,664
Total liabilities and stockholders’ equity	$ 1,832,088	$ 1,905,849