Summary of Significant Accounting Policies Summary of Significant Accounting Policies - Schedule of Components of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Assets:
Gross Carrying Amount	$ 2,120,112	$ 2,102,219
Accumulated Amortization	(744,260)	(681,462)
Net Carrying Amount	1,375,852	1,420,757
Customer relationship intangible assets
Assets:
Gross Carrying Amount	1,764,106	1,751,848
Accumulated Amortization	(582,954)	(544,721)
Net Carrying Amount	1,181,152	1,207,127
Customer inducements
Assets:
Gross Carrying Amount	54,485	52,718
Accumulated Amortization	(28,706)	(29,397)
Net Carrying Amount	25,779	23,321
Data center lease-based intangible assets
Assets:
Gross Carrying Amount	265,491	265,945
Accumulated Amortization	(126,140)	(103,210)
Net Carrying Amount	139,351	162,735
Liabilities:
Gross Carrying Amount	12,751	12,750
Accumulated Amortization	(4,884)	(3,937)
Net Carrying Amount	7,867	8,813
Third-party commissions asset
Assets:
Gross Carrying Amount	36,030	31,708
Accumulated Amortization	(6,460)	(4,134)
Net Carrying Amount	$ 29,570	$ 27,574