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Acquisitions - Additional Information (Details) € in Thousands				9 Months Ended
	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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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
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-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585

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