The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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-SubTopic 10
-Section 50
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Carrying amount of the equity interests owned by noncontrolling shareholders, partners, or other equity holders in joint ventures included in the entity's consolidated financial statements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 16
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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

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- Definition

The number of real estate properties owned as of the balance sheet date.

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The book value of investments in real estate joint ventures including direct and indirect investments.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(d))
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Investments in Unconsolidated Joint Ventures (Equity method of Accounting Presented in our consolidated balance sheets) (Details) $ in Thousands	Dec. 31, 2019 USD ($) property	Mar. 29, 2019	Dec. 31, 2018 USD ($) property	Dec. 31, 2017
Schedule of Equity Method Investments [Line Items]
Number of Data Centers	225		214
Investments in unconsolidated joint ventures	$ 1,287,109		$ 175,108
Noncontrolling interests in consolidated joint ventures	$ 20,625		$ 93,056
Ascenty
Schedule of Equity Method Investments [Line Items]
Number of Data Centers \| property	19
% Ownership	51.00%
Investments in unconsolidated joint ventures	$ 774,853
Noncontrolling interests in consolidated joint ventures	$ 25,000
Ascenty \| Subsidiary of Operating Partnership subsidiary
Schedule of Equity Method Investments [Line Items]
Ownership interest by noncontrolling interest	2.00%	2.00%
Mapletree JV
Schedule of Equity Method Investments [Line Items]
Number of Data Centers \| property	3
% Ownership	20.00%
Investments in unconsolidated joint ventures	$ 208,354
CenturyLink
Schedule of Equity Method Investments [Line Items]
Number of Data Centers \| property	1
% Ownership	50.00%		50.00%	50.00%
Investments in unconsolidated joint ventures	$ 88,647		$ 96,094
Mitsubishi
Schedule of Equity Method Investments [Line Items]
Number of Data Centers \| property	4
% Ownership	50.00%		50.00%	50.00%
Investments in unconsolidated joint ventures	$ 200,652		$ 66,835
Other
Schedule of Equity Method Investments [Line Items]
Number of Data Centers \| property	14
Investments in unconsolidated joint ventures	$ 14,603		$ 12,179