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Equity and Accumulated Other Comprehensive Loss, Net (Summary of Activity For Noncontrolling Interests in The Operating Partnership) (Details) | 9 Months Ended
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Sep. 30, 2018 shares
Common and Incentive Unit Activity [Roll Forward] |
As of December 31, 2017 (units) | 8,489,095
Redemption of common units for shares of Digital Realty Trust, Inc. common stock (units) | (487,610)
Conversion of incentive units held by employees and directors for shares of Digital Realty Trust, Inc. common stock | (80,182)
Incentive units issued upon achievement of market performance condition | 326,947
Grant of incentive units to employees and directors | 114,472
Cancellation / forfeitures of incentive units held by employees and directors | (22,135)
As of June 30, 2018 (units) | 8,340,587
Common Units |
Common and Incentive Unit Activity [Roll Forward] |
As of December 31, 2017 (units) | 6,899,094
Redemption of common units for shares of Digital Realty Trust, Inc. common stock (units) | (487,610)
Conversion of incentive units held by employees and directors for shares of Digital Realty Trust, Inc. common stock | 0
Incentive units issued upon achievement of market performance condition | 0
Grant of incentive units to employees and directors | 0
Cancellation / forfeitures of incentive units held by employees and directors | 0
As of June 30, 2018 (units) | 6,411,484
Incentive Units |
Common and Incentive Unit Activity [Roll Forward] |
As of December 31, 2017 (units) | 1,590,001
Redemption of common units for shares of Digital Realty Trust, Inc. common stock (units) | 0
Conversion of incentive units held by employees and directors for shares of Digital Realty Trust, Inc. common stock | (80,182)
Incentive units issued upon achievement of market performance condition | 326,947
Grant of incentive units to employees and directors | 114,472
Cancellation / forfeitures of incentive units held by employees and directors | (22,135)
As of June 30, 2018 (units) | 1,929,103

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