Condensed Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
ASSETS
Land	$ 498,522	$ 478,629
Acquired ground leases	6,796	6,374
Buildings and improvements	4,820,275	4,459,047
Tenant improvements	290,643	283,492
Total investments in properties	5,616,236	5,227,542
Accumulated depreciation and amortization	(781,871)	(660,700)
Net investments in properties	4,834,365	4,566,842
Investment in unconsolidated joint ventures	18,145	17,635
Net investments in real estate	4,852,510	4,584,477
Cash and cash equivalents	27,900	11,719
Accounts and other receivables, net of allowance for doubtful accounts of $1,955 and $3,250 as of June 30, 2011 and December 31, 2010, respectively	83,672	70,337
Deferred rent	218,318	190,067
Acquired above market leases, net	34,506	40,539
Acquired in place lease value and deferred leasing costs, net	322,793	334,366
Deferred financing costs, net	21,821	22,825
Restricted cash	56,928	60,062
Other assets	39,957	15,091
Total assets	5,658,405	5,329,483
LIABILITIES AND EQUITY
Revolving credit facility	341,417	333,534
Unsecured senior notes, net of discount	1,465,587	1,066,030
Exchangeable senior debentures, net of discount	314,588	353,702
Mortgage loans, net of premiums	935,485	1,043,188
Other secured loan	10,500	10,500
Accounts payable and other accrued liabilities	284,284	237,631
Accrued dividends and distributions		51,210
Acquired below market leases, net	84,518	93,250
Security deposits and prepaid rents	88,212	85,775
Total liabilities	3,524,591	3,274,820
Commitments and contingencies
Preferred Stock: $0.01 par value, 30,000,000 authorized:
Series C Cumulative Convertible Preferred Stock, 4.375%, $131,775 and $174,999 liquidation preference, respectively ($25.00 per share), 5,270,980 and 6,999,955 issued and outstanding as of June 30, 2011 and December 31, 2010, respectively	127,312	169,067
Series D Cumulative Convertible Preferred Stock, 5.500%, $237,940 and $344,683 liquidation preference, respectively ($25.00 per share), 9,517,580 and 13,787,300 issued and outstanding as of June 30, 2011 and December 31, 2010, respectively	230,074	333,274
Common Stock: $0.01 par value, 145,000,000 authorized, 98,754,727 and 91,159,221 shares issued and outstanding as of June 30, 2011 and December 31, 2010, respectively	984	909
Additional paid-in capital	2,143,619	1,849,497
Dividends in excess of earnings	(414,668)	(348,148)
Accumulated other comprehensive loss, net	(16,169)	(42,081)
Total stockholders' equity	2,071,152	1,962,518
Noncontrolling Interests:
Noncontrolling interests in operating partnership	49,630	52,436
Noncontrolling interests in consolidated joint ventures	13,032	39,709
Total capital	2,133,814	2,054,663
Total noncontrolling interests	62,662	92,145
Total equity	2,133,814	2,054,663
Total liabilities and equity	5,658,405	5,329,483
Digital Realty Trust, L.P. [Member]
ASSETS
Land	498,522	478,629
Acquired ground leases	6,796	6,374
Buildings and improvements	4,820,275	4,459,047
Tenant improvements	290,643	283,492
Total investments in properties	5,616,236	5,227,542
Accumulated depreciation and amortization	(781,871)	(660,700)
Net investments in properties	4,834,365	4,566,842
Investment in unconsolidated joint ventures	18,145	17,635
Net investments in real estate	4,852,510	4,584,477
Cash and cash equivalents	27,900	11,719
Accounts and other receivables, net of allowance for doubtful accounts of $1,955 and $3,250 as of June 30, 2011 and December 31, 2010, respectively	83,672	70,337
Deferred rent	218,318	190,067
Acquired above market leases, net	34,506	40,539
Acquired in place lease value and deferred leasing costs, net	322,793	334,366
Deferred financing costs, net	21,821	22,825
Restricted cash	56,928	60,062
Other assets	39,957	15,091
Total assets	5,658,405	5,329,483
LIABILITIES AND EQUITY
Revolving credit facility	341,417	333,534
Unsecured senior notes, net of discount	1,465,587	1,066,030
Exchangeable senior debentures, net of discount	314,588	353,702
Mortgage loans, net of premiums	935,485	1,043,188
Other secured loan	10,500	10,500
Accounts payable and other accrued liabilities	284,284	237,631
Accrued dividends and distributions		51,210
Acquired below market leases, net	84,518	93,250
Security deposits and prepaid rents	88,212	85,775
Total liabilities	3,524,591	3,274,820
Commitments and contingencies
Preferred Stock: $0.01 par value, 30,000,000 authorized:
5,270,980 and 6,999,955 Series C Cumulative Convertible preferred units issued and outstanding, respectively, 9,517,580 and 13,787,300 Series D Cumulative Convertible preferred units issued and outstanding, respectively as of June 30, 2011 and December 31, 2010, all with a $25.00 liquidation preference per preferred unit (liquidation preference of $369,715 and $519,681, respectively)	357,386	502,341
98,754,727 and 91,159,221 common units issued and outstanding, respectively	1,729,935	1,502,258
Limited partners, 3,430,814 and 3,937,827 common units, 1,092,184 and 982,618 profits interest units and 511,848 and 543,004 class C units outstanding as of June 30, 2011 and December 31, 2010, respectively	52,057	56,215
Accumulated other comprehensive loss, net	(18,596)	(45,860)
Total partners' capital	2,120,782	2,014,954
Noncontrolling Interests:
Noncontrolling interests in consolidated joint ventures	13,032	39,709
Total capital	2,133,814	2,054,663
Total liabilities and capital	$ 5,658,405	$ 5,329,483