Summary of Significant Accounting Policies - Schedule of Components of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Assets:
Net Carrying Amount	$ 1,415,287	$ 1,506,522
Customer relationship intangible assets
Assets:
Gross Carrying Amount	1,747,535	1,718,919
Accumulated Amortization	(529,164)	(455,705)
Net Carrying Amount	1,218,371	1,263,214
Customer inducements
Assets:
Gross Carrying Amount	53,097	56,478
Accumulated Amortization	(30,298)	(34,181)
Net Carrying Amount	22,799	22,297
Data center lease-based intangible assets
Assets:
Gross Carrying Amount	264,382	271,818
Accumulated Amortization	(90,265)	(50,807)
Net Carrying Amount	174,117	221,011
Liabilities:
Gross Carrying Amount	12,720	12,318
Accumulated Amortization	(3,424)	(1,642)
Net Carrying Amount	9,296	10,676
Third-party commissions asset
Assets:
Gross Carrying Amount	31,708	30,071
Accumulated Amortization	(3,001)	(1,089)
Net Carrying Amount	28,707	28,982
Customer relationships, customer inducements and data center
Assets:
Gross Carrying Amount	2,096,722	2,077,286
Accumulated Amortization	(652,728)	(541,782)
Net Carrying Amount	$ 1,443,994	$ 1,535,504