Business Combinations and Deconsolidation - DFT Merger Pro Forma Financial Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Total revenue	$ 4,051,608	$ 3,758,054
Net income available to common shareholders	323,889	267,600
Digital Realty Trust, L.P.
Business Acquisition [Line Items]
Total revenue	4,051,608	3,758,054
Net income available to common shareholders	333,389	$ 288,700
Merger related costs	65,700
Revenue associated with properties acquired	691,400
Net income associated with properties acquired	$ 59,400