Condensed Consolidated Income Statements - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Operating Revenues:
Rental	$ 338,330	$ 317,064	$ 988,172	$ 936,270
Tenant reimbursements	95,484	92,209	268,885	261,517
Fee income	1,595	2,748	4,758	5,397
Other	580	165	1,078	1,038
Total operating revenues	435,989	412,186	1,262,893	1,204,222
Operating Expenses:
Rental property operating and maintenance	140,538	130,894	394,640	375,586
Property taxes	19,953	25,765	64,116	68,485
Insurance	2,140	2,145	6,449	6,463
Change in fair value of contingent consideration	(1,594)	(1,465)	(44,276)	(4,102)
Depreciation and amortization	136,974	137,474	397,571	405,186
General and administrative	22,755	20,709	69,562	71,708
Transactions	11,042	144	14,301	980
Impairment of investments in real estate	0	12,500	0	12,500
Other	51	1,648	29	2,584
Total operating expenses	331,859	329,814	902,392	939,390
Operating income	104,130	82,372	360,501	264,832
Other Income (Expenses):
Equity in earnings of unconsolidated joint ventures	4,169	3,455	12,170	9,513
Gain (loss) on sale of properties	(207)	0	94,282	15,945
Gain on contribution of properties to unconsolidated joint ventures	0	93,498	0	95,404
Interest and other income (expense)	(358)	378	(2,879)	2,022
Interest expense	(48,138)	(48,169)	(139,718)	(144,689)
Tax expense	(1,754)	(1,178)	(6,044)	(4,037)
Loss from early extinguishment of debt	0	(195)	(148)	(780)
Net income	57,842	130,161	318,164	238,210
Net income attributable to noncontrolling interests	(864)	(2,392)	(5,492)	(4,190)
Net income attributable to Digital Realty Trust, Inc./Digital Realty Trust, L.P.	56,978	127,769	312,672	234,020
Preferred stock/unit dividends/distributions	(18,456)	(18,455)	(55,367)	(49,010)
Net income available to common stock/unitholders	$ 38,522	$ 109,314	$ 257,305	$ 185,010
Net income per share/unit available to common stockholders/unitholders:
Basic ($ per share/unit)	$ 0.28	$ 0.81	$ 1.89	$ 1.39
Diluted ($ per share/unit)	$ 0.28	$ 0.80	$ 1.88	$ 1.39
Weighted average common shares/units outstanding:
Weighted average shares/units outstanding-basic (shares)	135,832,503	135,492,618	135,782,831	132,635,894
Weighted average shares/units outstanding-diluted (shares)	138,259,936	135,946,533	136,920,477	132,852,966
Digital Realty Trust, L.P.
Operating Revenues:
Rental	$ 338,330	$ 317,064	$ 988,172	$ 936,270
Tenant reimbursements	95,484	92,209	268,885	261,517
Fee income	1,595	2,748	4,758	5,397
Other	580	165	1,078	1,038
Total operating revenues	435,989	412,186	1,262,893	1,204,222
Operating Expenses:
Rental property operating and maintenance	140,538	130,894	394,640	375,586
Property taxes	19,953	25,765	64,116	68,485
Insurance	2,140	2,145	6,449	6,463
Change in fair value of contingent consideration	(1,594)	(1,465)	(44,276)	(4,102)
Depreciation and amortization	136,974	137,474	397,571	405,186
General and administrative	22,755	20,709	69,562	71,708
Transactions	11,042	144	14,301	980
Impairment of investments in real estate	0	12,500	0	12,500
Other	51	1,648	29	2,584
Total operating expenses	331,859	329,814	902,392	939,390
Operating income	104,130	82,372	360,501	264,832
Other Income (Expenses):
Equity in earnings of unconsolidated joint ventures	4,169	3,455	12,170	9,513
Gain (loss) on sale of properties	(207)	0	94,282	15,945
Gain on contribution of properties to unconsolidated joint ventures	0	93,498	0	95,404
Interest and other income (expense)	(358)	378	(2,879)	2,022
Interest expense	(49,291)	(48,169)	(140,871)	(144,689)
Tax expense	(1,754)	(1,178)	(6,044)	(4,037)
Loss from early extinguishment of debt	0	(195)	(148)	(780)
Net income	56,689	130,161	317,011	238,210
Net income attributable to noncontrolling interests	(117)	(120)	(342)	(352)
Net income attributable to Digital Realty Trust, Inc./Digital Realty Trust, L.P.	56,572	130,041	316,669	237,858
Preferred stock/unit dividends/distributions	(18,456)	(18,455)	(55,367)	(49,010)
Net income available to common stock/unitholders	$ 38,116	$ 111,586	$ 261,302	$ 188,848
Net income per share/unit available to common stockholders/unitholders:
Basic ($ per share/unit)	$ 0.28	$ 0.81	$ 1.89	$ 1.39
Diluted ($ per share/unit)	$ 0.27	$ 0.80	$ 1.88	$ 1.39
Weighted average common shares/units outstanding:
Weighted average shares/units outstanding-basic (shares)	138,467,947	138,308,130	138,481,046	135,381,624
Weighted average shares/units outstanding-diluted (shares)	139,192,198	138,762,045	139,050,965	135,598,696