Debt of the Operating Partnership (Unsecured Term Loans) (Narrative) (Details) - Digital Realty Trust, L.P. - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Long-term debt, gross	$ 12,350,185
Unsecured term loans, net
Debt Instrument [Line Items]
Long-term debt, gross	774,096
2023 and 2024 Term Loan \| Unsecured term loans, net
Debt Instrument [Line Items]
Long-term debt, gross	$ 774,096	$ 813,205

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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-Section 50
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-Publisher FASB
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant