Balance Sheet Components - Accounts Payable and Accrued Expenses (Detail) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Payables and Accruals [Abstract]
Accounts payable	$ 49,892,000	$ 30,221,000
Accrued compensation and benefits	131,204,000	115,184,000
Accrued interest	67,077,000	29,116,000
Accrued taxes	37,004,000	41,295,000
Accrued utilities and security	31,789,000	31,531,000
Accrued professional fees	18,380,000	8,148,000
Accrued repairs and maintenance	3,618,000	4,086,000
Accrued other	61,984,000	26,215,000
Accounts payable and accrued expenses	400,948,000	285,796,000
Income taxes payable	$ 14,527,000	$ 21,941,000