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Acquired Intangible Assets and Liabilities (Schedule of Estimated Annual Amortization of Below Market Leases) (Details) - Below-Market Leases, Net of Above-Market Leases $ in Thousands | Sep. 30, 2018 USD ($)
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Finite-Lived Intangible Assets [Line Items] |
Remainder of 2018 | $ (6,690)
2019 | (16,127)
2020 | (3,902)
2021 | 899
2022 | 7,932
Thereafter | 90,963
Total | $ 73,075

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- Definition Below Market Lease, Net of (Above Market Lease), Amortization Income, Net + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Below Market Lease, Net of (Above Market Lease), Amortization Income, Remainder of Fiscal Year + References No definition available. + Details
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Namespace Prefix: | dlr_
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- Definition Below Market Lease, Net of (Above Market Lease), Amortization Income, Year Five + References No definition available. + Details
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Namespace Prefix: | dlr_
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Balance Type: | credit
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- Definition Below Market Lease, Net of (Above Market Lease), Amortization Income, Year Four + References No definition available. + Details
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- Definition Below Market Lease, Net of (Above Market Lease), Amortization Income, Year Three + References No definition available. + Details
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- Definition Below Market Lease, Net of (Above Market Lease), Amortization Income, Year Two + References No definition available. + Details
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Namespace Prefix: | dlr_
Data Type: | xbrli:monetaryItemType
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- Definition Below Market Lease, Net of (Above Market Lease), Amortization Income, after Year Five + References No definition available. + Details
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Namespace Prefix: | dlr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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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. + Details
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Balance Type: | na
Period Type: | duration

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- Details
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