Business Combinations (DFT Merger Pro Forma Financial Information) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Business Acquisition [Line Items]
Total revenue	$ 992,995	$ 978,880	$ 1,964,331	$ 1,965,399
Net income available to common shareholders	61,793	20,808	309,656	59,196
Digital Realty Trust, L.P.
Business Acquisition [Line Items]
Total revenue	992,995	978,880	1,964,331	1,965,399
Net income available to common shareholders	63,193	$ 22,208	318,856	$ 64,896
Merger related costs	8,100		60,500
Revenue associated with properties acquired	194,500		241,900
Net income associated with properties acquired	$ 9,400		$ 12,100