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Investments in Unconsolidated Entities - Narrative (Details) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) property item $ / shares	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)
Schedule of Equity Method Investments [Line Items]
Operating Revenues	$ 1,127,322	$ 1,090,391
Fee income and other
Schedule of Equity Method Investments [Line Items]
Operating Revenues	$ 5,772	$ 2,485
Digital Core REIT (DCRU)
Schedule of Equity Method Investments [Line Items]
Number Of Data Centers | property	10
Fees earned pursuant to these contractual agreements	$ 2,300
Percentage of interest in partnership	35.00%
Number of assets in portfolio | item	390
Closing price per unit | $ / shares	$ 1.11
Fair value of shares	$ 433,000
Digital Core REIT (DCRU) | Unconsolidated Joint Ventures
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures	35.00%
Ascenty | Subsidiary of Operating Partnership subsidiary
Schedule of Equity Method Investments [Line Items]
Ownership interest by noncontrolling interest	2.00%
Noncontrolling interests in consolidated entities	$ 22,200		$ 20,900
Ascenty | Unconsolidated Joint Ventures
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures	51.00%
Ownership interest in DCRU operating properties
Schedule of Equity Method Investments [Line Items]
Ownership interest in operating properties	10.00%
Ownership interest in DCRU operating properties | Unconsolidated Joint Ventures
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures	10.00%

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