Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,652,172	$ 1,486,965
Less: accumulated depreciation and amortization	(403,233)	(353,393)
Total property and equipment, net	1,248,939	1,133,572
Land and land improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	170,512	151,286
Data center equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	851,950	763,790
Capitalized leased assets
Property, Plant and Equipment [Line Items]
Property and equipment, gross	35,971	35,974
Buildings, building improvements and leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	362,204	338,763
Substation equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	4,247	4,247
Cloud computing equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	5,661	5,661
Fiber facilities
Property, Plant and Equipment [Line Items]
Property and equipment, gross	8,803	8,459
Computer equipment, furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	33,276	30,745
Vehicles
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,685	1,573
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	139,464	110,559
Core network equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	33,396	31,472
Deferred installation charges
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 5,003	$ 4,436