Consolidated Statements of Operations (UNITED DOMINION REALTY, L.P) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
REVENUES
Rental income	$ 188,613	$ 177,475	$ 372,914	$ 349,717
OPERATING EXPENSES
Property operating and maintenance	36,758	35,607	72,219	69,996
Real estate taxes and insurance	23,202	21,535	46,726	42,446
Property management	5,187	4,880	10,255	9,617
Other operating expenses	1,807	1,434	3,450	2,817
Real estate depreciation and amortization	85,131	84,474	168,573	172,381
General and administrative	9,866	13,738	19,342	23,117
Hurricane-related (recoveries)/charges, net	(2,772)	0	(5,793)	0
Total expenses	160,317	162,685	317,056	322,309
Operating income	31,513	17,507	61,998	33,114
Interest expense:
Income/(loss) from continuing operations	5,354	(23,123)	5,045	(21,382)
Income from discontinued operations, net of tax	0	179,429	0	264,316
Net (loss)/income	5,354	156,306	5,045	242,934
Net income attributable to non-controlling interests	226	5,983	272	9,388
Net (loss)/income attributable to Entity	5,192	150,352	4,924	233,508
United Dominion Reality L.P. [Member]
REVENUES
Rental income	102,709	98,031	202,769	193,926
OPERATING EXPENSES
Property operating and maintenance	19,198	18,877	37,771	37,481
Real estate taxes and insurance	11,050	10,203	22,414	20,260
Property management	2,824	2,696	5,576	5,333
Other operating expenses	1,423	1,305	2,809	2,623
Real estate depreciation and amortization	45,307	46,733	90,700	97,205
General and administrative	5,894	7,295	11,469	14,946
Hurricane-related (recoveries)/charges, net	(2,257)	0	(4,276)	0
Total expenses	83,439	87,109	166,463	177,848
Operating income	19,270	10,922	36,306	16,078
Interest expense:
Interest on secured debt	8,783	12,402	17,778	24,883
Interest on note payable due to General Partner	267	489	534	978
Income/(loss) from continuing operations	10,220	(1,969)	17,994	(9,783)
Income from discontinued operations, net of tax	0	53,372	0	54,294
Net (loss)/income	10,220	51,403	17,994	44,511
Net income attributable to non-controlling interests	(66)	(231)	(112)	(265)
Net (loss)/income attributable to Entity	$ 10,154	$ 51,172	$ 17,882	$ 44,246
Loss per OP unit- basic and diluted:
Loss from continuing operations attributable to OP unitholders (in dollars per share)	$ 0.06	$ (0.01)	$ 0.10	$ (0.05)
Income from discontinued operations (in dollars per share)	$ 0.00	$ 0.29	$ 0.00	$ 0.29
Net loss attributable to OP unitholders (in dollars per share)	$ 0.06	$ 0.28	$ 0.10	$ 0.24
Weighted average OP units outstanding	184,281	184,281	184,281	184,281