CONDENSED CONSOLIDATED INCOME STATEMENTS (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Operating Revenues:
Total operating revenues	$ 814,515	$ 744,368
Operating Expenses:
Rental property operating and maintenance	254,954	225,640
Property taxes and insurance	40,306	38,994
Depreciation and amortization	311,486	294,789
General and administrative	53,459	36,523
Transactions and integration	2,494	4,178
Impairment of investments in real estate	5,351	0
Other	4,922	431
Total operating expenses	672,972	600,555
Operating income	141,543	143,813
Other Income (Expenses):
Equity in earnings of unconsolidated joint ventures	9,217	7,410
Gain on deconsolidation / sale of properties, net	67,497	39,273
Interest and other income (expense), net	21,444	(42)
Interest expense	(101,552)	(76,985)
Tax expense	(4,266)	(3,374)
Loss from early extinguishment of debt	(12,886)	0
Net income	120,997	110,095
Net income attributable to noncontrolling interests	(4,185)	(3,468)
Net income attributable to Digital Realty Trust, Inc./Digital Realty Trust, L.P.	116,812	106,627
Preferred stock dividends, including undeclared dividends	(20,943)	(20,329)
Net income available to common stock/unitholders	$ 95,869	$ 86,298
Net income per share/unit available to common stockholders/unitholders:
Basic (in dollars per share/unit)	$ 0.46	$ 0.42
Diluted (in dollars per share/unit)	$ 0.46	$ 0.42
Weighted average common shares/units outstanding:
Basic (shares/units)	207,809,383	205,714,173
Diluted (shares/units)	208,526,249	206,507,476
Digital Realty Trust, L.P.
Operating Revenues:
Total operating revenues	$ 814,515	$ 744,368
Operating Expenses:
Rental property operating and maintenance	254,954	225,640
Property taxes and insurance	40,306	38,994
Depreciation and amortization	311,486	294,789
General and administrative	53,459	36,523
Transactions and integration	2,494	4,178
Impairment of investments in real estate	5,351	0
Other	4,922	431
Total operating expenses	672,972	600,555
Operating income	141,543	143,813
Other Income (Expenses):
Equity in earnings of unconsolidated joint ventures	9,217	7,410
Gain on deconsolidation / sale of properties, net	67,497	39,273
Interest and other income (expense), net	21,444	(42)
Interest expense	(101,552)	(76,985)
Tax expense	(4,266)	(3,374)
Loss from early extinguishment of debt	(12,886)	0
Net income	120,997	110,095
Net income attributable to noncontrolling interests	115	12
Net income attributable to Digital Realty Trust, Inc./Digital Realty Trust, L.P.	121,112	110,107
Preferred stock dividends, including undeclared dividends	(20,943)	(20,329)
Net income available to common stock/unitholders	$ 100,169	$ 89,778
Net income per share/unit available to common stockholders/unitholders:
Basic (in dollars per share/unit)	$ 0.46	$ 0.42
Diluted (in dollars per share/unit)	$ 0.46	$ 0.42
Weighted average common shares/units outstanding:
Basic (shares/units)	217,039,295	214,009,460
Diluted (shares/units)	217,756,161	214,802,763
Rental and other services
Operating Revenues:
Total operating revenues	$ 812,030	$ 592,298
Rental and other services | Digital Realty Trust, L.P.
Operating Revenues:
Total operating revenues	812,030	592,298
Tenant reimbursements
Operating Revenues:
Total operating revenues	0	150,079
Tenant reimbursements | Digital Realty Trust, L.P.
Operating Revenues:
Total operating revenues	0	150,079
Fee income and other
Operating Revenues:
Total operating revenues	2,485	1,991
Fee income and other | Digital Realty Trust, L.P.
Operating Revenues:
Total operating revenues	$ 2,485	$ 1,991