Condensed Consolidated Income Statements (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Operating Revenues:
Rental	$ 319,166	$ 305,786
Tenant reimbursements	85,829	83,621
Fee income	1,614	1,183
Total operating revenues	406,609	390,590
Operating Expenses:
Rental property operating and maintenance	124,563	117,896
Property taxes	23,263	22,125
Insurance	2,155	2,422
Change in fair value of contingent consideration	(43,034)	(3,403)
Depreciation and amortization	129,073	130,620
General and administrative	21,194	30,678
Transactions	93	81
Other	(16)	164
Total operating expenses	257,291	300,583
Operating income	149,318	90,007
Other Income (Expenses):
Equity in earnings of unconsolidated joint ventures	4,618	2,581
Gain on sale of property	17,820	0
Gain on contribution of properties to unconsolidated joint ventures	0	1,906
Interest and other income (expense)	(2,290)	1,727
Interest expense	(45,466)	(47,374)
Tax expense	(1,675)	(1,838)
Loss from early extinguishment of debt	0	(292)
Net income	122,325	46,717
Net income attributable to noncontrolling interests	(2,142)	(805)
Net income attributable to Digital Realty Trust, Inc./Digital Realty Trust, L.P.	120,183	45,912
Preferred stock/unit dividends/distributions	(18,455)	(11,726)
Net income available to common stock/unitholders	101,728	34,186
Net income per share/unit available to common stockholders/unitholders:
Basic ($ per share/unit)	$ 0.75	$ 0.27
Diluted ($ per share/unit)	$ 0.75	$ 0.26
Weighted average common shares/units outstanding:
Weighted average shares/units outstanding-basic (shares)	135,704,525	128,535,995
Weighted average shares/units outstanding-diluted (shares)	136,128,800	129,136,961
Digital Realty Trust, L.P.
Operating Revenues:
Rental	319,166	305,786
Tenant reimbursements	85,829	83,621
Fee income	1,614	1,183
Total operating revenues	406,609	390,590
Operating Expenses:
Rental property operating and maintenance	124,563	117,896
Property taxes	23,263	22,125
Insurance	2,155	2,422
Change in fair value of contingent consideration	(43,034)	(3,403)
Depreciation and amortization	129,073	130,620
General and administrative	21,194	30,678
Transactions	93	81
Other	(16)	164
Total operating expenses	257,291	300,583
Operating income	149,318	90,007
Other Income (Expenses):
Equity in earnings of unconsolidated joint ventures	4,618	2,581
Gain on sale of property	17,820	0
Gain on contribution of properties to unconsolidated joint ventures	0	1,906
Interest and other income (expense)	(2,290)	1,727
Interest expense	(45,466)	(47,374)
Tax expense	(1,675)	(1,838)
Loss from early extinguishment of debt	0	(292)
Net income	122,325	46,717
Net income attributable to noncontrolling interests	(116)	(112)
Net income attributable to Digital Realty Trust, Inc./Digital Realty Trust, L.P.	122,209	46,605
Preferred stock/unit dividends/distributions	(18,455)	(11,726)
Net income available to common stock/unitholders	$ 103,754	$ 34,879
Net income per share/unit available to common stockholders/unitholders:
Basic ($ per share/unit)	$ 0.75	$ 0.27
Diluted ($ per share/unit)	$ 0.75	$ 0.26
Weighted average common shares/units outstanding:
Weighted average shares/units outstanding-basic (shares)	138,406,993	131,142,664
Weighted average shares/units outstanding-diluted (shares)	138,831,268	131,743,630