XML 47 R34.htm IDEA: XBRL DOCUMENT v3.10.0.1
Summary of Significant Accounting Policies - Goodwill and Other Intangible Assets and Liabilities - Schedule Of Other Finite-Lived Intangile Assets (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Finite-Lived Intangible Assets    
Customer relationships, customer inducements and data center lease-based intangibles $ 1,516,851 $ 1,400,547
Other finite-lived intangible assets    
Finite-Lived Intangible Assets    
Finite-Lived Intangible Assets, Gross 20,284 20,929
Finite-Lived Intangible Assets, Accumulated Amortization (13,680) (10,728)
Customer relationships, customer inducements and data center lease-based intangibles $ 6,604 $ 10,201