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Acquisitions - Additional Information (Details) € in Thousands |  |  | 9 Months Ended
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Sep. 23, 2021 USD ($) | Sep. 23, 2021 EUR (€) | Sep. 15, 2021 USD ($) | Sep. 30, 2021 USD ($)
InfoFort |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash consideration |  |  | $ 90,300,000 |
Frankfurt Data Center |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash consideration | $ 91,300,000 | € 77,900 |  |
Records Management Company |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Number of businesses acquired |  |  |  | 2
Art Storage Company |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Number of businesses acquired |  |  |  | 1
Records Management Companies And Art Storage Company |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash consideration |  |  |  | $ 45,100,000

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