Accumulated Other Comprehensive Loss, Net (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($)
Foreign currency translation adjustments
Accumulated Other Comprehensive Loss, Net
Beginning balance	$ 98,760
Net current period change	(213,471)
Ending balance	(114,711)
Cash flow hedge adjustments
Accumulated Other Comprehensive Loss, Net
Beginning balance	(2,630)
Net current period change	328
Reclassification to interest expense from interest rate swaps	350
Ending balance	(1,952)
Foreign currency net investment hedge adjustments
Accumulated Other Comprehensive Loss, Net
Beginning balance	38,880
Ending balance	38,880
Accumulated other comprehensive income (loss), net
Accumulated Other Comprehensive Loss, Net
Beginning balance	135,010
Net current period change	(213,143)
Reclassification to interest expense from interest rate swaps	350
Ending balance	(77,783)
Digital Realty Trust, L.P.
Accumulated Other Comprehensive Loss, Net
Beginning balance	18,446,336
Ending balance	18,345,324
Digital Realty Trust, L.P. | Foreign currency translation adjustments
Accumulated Other Comprehensive Loss, Net
Beginning balance	98,946
Net current period change	(219,002)
Ending balance	(120,056)
Digital Realty Trust, L.P. | Cash flow hedge adjustments
Accumulated Other Comprehensive Loss, Net
Beginning balance	(3,823)
Net current period change	337
Reclassification to interest expense from interest rate swaps	359
Ending balance	(3,127)
Digital Realty Trust, L.P. | Foreign currency net investment hedge adjustments
Accumulated Other Comprehensive Loss, Net
Beginning balance	39,677
Ending balance	39,677
Digital Realty Trust, L.P. | Accumulated other comprehensive income (loss), net
Accumulated Other Comprehensive Loss, Net
Beginning balance	134,800
Net current period change	(218,665)
Reclassification to interest expense from interest rate swaps	359
Ending balance	$ (83,506)