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Acquisitions - Narrative (Details) € in Thousands, £ in Thousands, $ in Thousands, $ in Thousands |  |  |  |  | 1 Months Ended | 6 Months Ended
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May 25, 2018 USD ($) | May 25, 2018 EUR (€) | Mar. 08, 2018 USD ($) data_center | Mar. 08, 2018 GBP (£) data_center | Mar. 08, 2018 SGD ($) data_center | Jan. 10, 2018 USD ($) | Dec. 29, 2017 USD ($) | Nov. 30, 2017 EUR (€) | Jun. 30, 2018 USD ($)
IO Data Center LLC [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Cash consideration |  |  |  |  |  |  |  |  | $ 1,347,046
Consideration transferred |  |  |  |  |  | $ 1,347,000 |  |  | 1,347,046
Business Combination, Contingent Consideration, Liability |  |  |  |  |  | $ 35,000 |  |  |
Business combination separately recognized transactions expenses and losses recognized, acquisition costs incurred to date |  |  |  |  |  |  |  |  | $ 28,064
Credit Suisse Data Center Acquisition |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Number Of Data Centers | data_center |  |  | 2 | 2 | 2 |  |  |  |
Consideration transferred |  |  | $ 111,400 | £ 34,600 | $ 81,000 |  |  |  |
EvoSwitch [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Cash consideration | $ 222,000 | € 189,000 |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability | $ 25,000 |  |  |  |  |  |  |  |
Santa Fe China [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Consideration transferred | € |  |  |  |  |  |  |  | € 14,000 |
Santa Fe China - Beijing Property [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Consideration transferred | € |  |  |  |  |  |  |  | 9,000 |
Santa Fe China Transaction [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Consideration transferred |  |  |  |  |  |  | $ 16,800 | € 23,000 |

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