Condensed Consolidated Income Statements (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Operating Revenues:
Rental	$ 305,786	$ 281,399
Tenant reimbursements	83,621	75,917
Fee income	1,183	806
Other		248
Total operating revenues	390,590	358,370
Operating Expenses:
Rental property operating	117,896	105,480
Property taxes	22,125	21,042
Insurance	2,422	2,205
Construction management	164	384
Change in fair value of contingent consideration	(3,403)	1,300
Depreciation and amortization	130,620	111,623
General and administrative	30,678	15,951
Transactions	81	1,763
Other		36
Total operating expenses	300,583	259,784
Operating income	90,007	98,586
Other Income (Expenses):
Equity in earnings of unconsolidated joint ventures	2,581	2,335
Gain on contribution of property to unconsolidated joint venture	1,906
Interest and other income	1,727	41
Interest expense	(47,374)	(48,078)
Tax expense	(1,838)	(1,203)
Loss from early extinguishment of debt	(292)
Net income	46,717	51,681
Net (income) loss attributable to noncontrolling interests in consolidated joint ventures	(805)	(970)
Net income attributable to Digital Realty Trust, Inc./Digital Realty Trust, L.P.	45,912	50,711
Preferred stock dividends/Preferred units distributions	(11,726)	(8,054)
Net income available to common stockholders/unitholders	34,186	42,657
Net income per share/unit available to common stockholders/unitholders:
Basic	$ 0.27	$ 0.34
Diluted	$ 0.26	$ 0.34
Weighted average common shares/units outstanding:
Basic	128,535,995	126,445,285
Diluted	129,136,961	126,738,339
Digital Realty Trust, L.P. [Member]
Operating Revenues:
Rental	305,786	281,399
Tenant reimbursements	83,621	75,917
Fee income	1,183	806
Other		248
Total operating revenues	390,590	358,370
Operating Expenses:
Rental property operating	117,896	105,480
Property taxes	22,125	21,042
Insurance	2,422	2,205
Construction management	164	384
Change in fair value of contingent consideration	(3,403)	1,300
Depreciation and amortization	130,620	111,623
General and administrative	30,678	15,951
Transactions	81	1,763
Other		36
Total operating expenses	300,583	259,784
Operating income	90,007	98,586
Other Income (Expenses):
Equity in earnings of unconsolidated joint ventures	2,581	2,335
Gain on contribution of property to unconsolidated joint venture	1,906
Interest and other income	1,727	41
Interest expense	(47,374)	(48,078)
Tax expense	(1,838)	(1,203)
Loss from early extinguishment of debt	(292)
Net income	46,717	51,681
Net (income) loss attributable to noncontrolling interests in consolidated joint ventures	(112)	(146)
Net income attributable to Digital Realty Trust, Inc./Digital Realty Trust, L.P.	46,605	51,535
Preferred stock dividends/Preferred units distributions	(11,726)	(8,054)
Net income available to common stockholders/unitholders	$ 34,879	$ 43,481
Net income per share/unit available to common stockholders/unitholders:
Basic	$ 0.27	$ 0.34
Diluted	$ 0.26	$ 0.34
Weighted average common shares/units outstanding:
Basic	131,142,664	128,888,041
Diluted	131,743,630	129,181,095