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Investments in Unconsolidated Entities - Narrative (Details) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023 USD ($) $ / shares shares	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) item property $ / shares shares	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) $ / shares shares
Schedule of Equity Method Investments [Line Items]
Number Of Data Centers | item			2
Digital Core REIT (DCRU)
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures	36.00%		36.00%
Number of units owned | shares	399		399		396
Closing price per unit | $ / shares	$ 0.475		$ 0.475		$ 0.55
Fair value of shares	$ 190.0		$ 190.0		$ 218.0
Digital Core REIT (DCRU) | Unconsolidated Joint Ventures
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures	36.00%		36.00%
Digital Core REIT (DCRU) | Fee income and other
Schedule of Equity Method Investments [Line Items]
Fees earned pursuant to these contractual agreements	$ 2.5	$ 2.8	$ 4.8	$ 5.1
Ascenty | Subsidiary of Operating Partnership subsidiary
Schedule of Equity Method Investments [Line Items]
Ownership interest by noncontrolling interest	2.00%		2.00%
Noncontrolling interests in consolidated entities	$ 18.0		$ 18.0		$ 18.0
Ascenty | Unconsolidated Joint Ventures
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures	51.00%		51.00%
North America | Digital Core REIT (DCRU)
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures	10.00%		10.00%
Germany | Digital Core REIT (DCRU)
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures	75.00%		75.00%
Digital Core REIT (DCRU)
Schedule of Equity Method Investments [Line Items]
Number Of Data Centers | property			11

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Fair value portion of investments in an entity not consolidated. Includes, but is not limited to, investments in an entity that is affiliated with the reporting entity by means of direct or indirect ownership, an entity in which the reporting entity shares control of the entity with another party or group, an entity which the company has significant influence, but does not have control and subsidiaries that are not required to be consolidated and are accounted for using the equity or cost method.

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