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Acquisitions and Joint Ventures - Narrative (Details) € in Thousands, £ in Thousands, $ in Thousands, $ in Thousands |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Feb. 17, 2020 USD ($) | Jan. 09, 2020 USD ($) | May 25, 2018 USD ($) | May 25, 2018 EUR (€) | Mar. 08, 2018 USD ($) data_center | Mar. 08, 2018 GBP (£) data_center | Mar. 08, 2018 SGD ($) data_center | Jan. 10, 2018 USD ($) data_center | Feb. 28, 2019 USD ($) | Mar. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) company | Dec. 31, 2018 USD ($) company | Jan. 08, 2020
OSG Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  |  |  |  |  |  |  |  | 25.00%
Gain on equity investment |  |  |  |  |  |  |  |  |  | $ 10,000 |  |  |
OSG Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership acquired |  | 75.00% |  |  |  |  |  |  |  |  |  |  |
Cash consideration |  | $ 95,500 |  |  |  |  |  |  |  |  |  |  |
Storage, Records Management And Art Storage Companies |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Cash consideration | $ 29,100 |  |  |  |  |  |  |  |  |  | $ 51,000 |  |
Storage, Records Management And Art Storage Companies | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price |  |  |  |  |  |  |  |  |  |  | 12,500 |  |
Storage, Records Management And Art Storage Companies | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price |  |  |  |  |  |  |  |  |  |  | $ 700 |  |
Storage and Data Management Company |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of companies acquired | company |  |  |  |  |  |  |  |  |  |  | 10 | 11 |
Art Storage Company |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of companies acquired | company |  |  |  |  |  |  |  |  |  |  | 1 | 3 |
IO Data Center LLC |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Cash consideration |  |  |  |  |  |  |  |  |  |  |  | $ 1,347,046 |
Purchase price |  |  |  |  |  |  |  | $ 1,347,000 | $ 31,000 |  |  | 1,347,046 |
Number of data centers | data_center |  |  |  |  |  |  |  | 4 |  |  |  |  |
EvoSwitch |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Cash consideration |  |  | $ 222,000 | € 189,000 |  |  |  |  |  |  |  |  |
Potential additional payments to be made |  |  | $ 25,000 |  |  |  |  |  |  |  |  |  |
Credit Suisse Data Center Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Cash consideration |  |  |  |  | $ 111,400 | £ 34,600 | $ 81,000 |  |  |  |  |  |
Number of data centers | data_center |  |  |  |  | 2 | 2 | 2 |  |  |  |  |  |
Other 2018 Individually Immaterial Business Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price |  |  |  |  |  |  |  |  |  |  |  | 98,100 |
Other 2018 Individually Immaterial Business Acquisitions | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price |  |  |  |  |  |  |  |  |  |  |  | 34,100 |
Other 2018 Individually Immaterial Business Acquisitions | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price |  |  |  |  |  |  |  |  |  |  |  | $ 1,000 |

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