Consolidated Balance Sheets (UNITED DOMINION REALTY, L.P) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Real estate owned:
Real estate held for investment	$ 7,141,505	$ 6,490,791
Less: accumulated depreciation	(1,726,258)	(1,566,618)
Real estate held for investment, net	5,415,247	4,924,173
Real estate sold or held for sale (net of accumulated depreciation of $0 and $48,191)	0	220,936
Total real estate owned, net of accumulated depreciation	5,572,548	5,243,021
Cash and cash equivalents	21,634	9,486
Restricted cash	20,220	15,447
Deferred financing costs, net	24,747	27,267
Other assets	137,424	74,596
Total assets	5,961,777	5,529,540
LIABILITIES AND CAPITAL
Secured debt	1,992,401	1,908,068
Secured debt - real estate held for sale	0	55,602
Real estate taxes payable	14,525	14,585
Accrued interest payable	23,341	20,889
Security deposits and prepaid rent	30,524	26,046
Distributions payable	42,654	36,561
Deferred fees and gains on the sale of depreciable property	29,011	28,943
Accounts payable, accrued expenses, and other liabilities	104,179	105,925
Total liabilities	3,943,820	3,800,453
Partners' Capital:
Accumulated other comprehensive loss, net	(10,285)	(3,469)
Total liabilities and stockholders' equity	5,961,777	5,529,540
United Dominion Reality.L.P [Member]
Real estate owned:
Real estate held for investment	3,978,879	3,516,918
Less: accumulated depreciation	(919,971)	(835,892)
Real estate held for investment, net	3,058,908	2,681,026
Real estate sold or held for sale (net of accumulated depreciation of $0 and $48,191)	0	141,075
Total real estate owned, net of accumulated depreciation	3,058,908	2,822,101
Cash and cash equivalents	7,692	920
Restricted cash	12,516	8,022
Deferred financing costs, net	8,886	7,465
Other assets	40,343	22,887
Total assets	3,128,345	2,861,395
LIABILITIES AND CAPITAL
Secured debt	1,269,853	1,014,459
Secured debt - real estate held for sale	0	55,602
Notes Payable due to General Partner	78,271	78,271
Real estate taxes payable	5,576	5,245
Accrued interest payable	2,124	518
Security deposits and prepaid rent	16,001	13,158
Distributions payable	36,743	33,559
Deferred fees and gains on the sale of depreciable property	63,838	63,838
Accounts payable, accrued expenses, and other liabilities	38,550	35,122
Total liabilities	1,510,956	1,299,772
Partners' Capital:
Operating partnership units:182,479,015 OP units outstanding at June 30, 2011 and 179,909,408 at December 31, 2010	0	0
General partner: 110,883 OP units outstanding at June 30, 2011 and December 31, 2010	1,324	1,363
Limited partners: 182,368,132 OP units outstanding at June 30, 2011 and 179,798,525 OP units outstanding at December 31, 2010	2,044,440	2,046,380
Accumulated other comprehensive loss, net	(5,959)	(5,502)
Total partners' capital	2,039,805	2,042,241
Receivable due from General Partner	(434,566)	(492,709)
Non-controlling interest	12,150	12,091
Total capital	1,617,389	1,561,623
Total liabilities and stockholders' equity	$ 3,128,345	$ 2,861,395