Debt - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Debt Instrument
Leverage ratio	60.00%
Secured debt leverage ratio, maximum	40.00%
Interest coverage ratio	1.50
Total unencumbered assets	150.00%
Loss from early extinguishment of debt	$ (18,347)	$ (632)
Digital Realty Trust, L.P.
Debt Instrument
Loss from early extinguishment of debt	(18,347)	$ (632)
Unsecured senior notes \| 2.750% notes due 2023 \| Digital Realty Trust, L.P.
Debt Instrument
Loss from early extinguishment of debt	$ 18,300
Stated interest rate	2.75%

Debt Instrument, Covenant, Leverage Ratio Percentage

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- Definition

Debt Instrument, Interest Coverage Ratio

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Secured Debt Ratio Percentage

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Unencumbered Assets Percentage to Unsecured Debt

+ References

No definition available.

+ Details

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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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.

+ References

No definition available.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12355-112629

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

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