Consolidated Statements of Operations (UNITED DOMINION REALTY, L.P) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Rental expenses:
Property operating and maintenance	$ 149,428,000	$ 144,319,000	$ 139,784,000
Real estate taxes and insurance	(99,175,000)	(93,765,000)	(86,154,000)
Property management	(22,138,000)	(20,528,000)	(19,378,000)
Other operating expenses	(8,271,000)	(7,136,000)	(5,718,000)
Real estate depreciation and amortization	(358,154,000)	(339,532,000)	(341,926,000)
General and administrative	(47,800,000)	(42,238,000)	(43,792,000)
Casualty-related (recoveries)/charges, net	541,000	(12,253,000)	8,495,000
Total operating expenses	691,282,000	642,006,000	649,352,000
Operating Income (Loss)	126,764,000	116,920,000	67,260,000
Income/(loss) from continuing operations	16,260,000	2,340,000	(46,305,000)
Income/(loss) from discontinued operations	10,000	43,942,000	266,608,000
Gain/(loss) on sales of real estate owned	143,572,000	0	0
Net income/(loss)	159,842,000	46,282,000	220,303,000
Net (income)/loss attributable to non-controlling interests	(5,375,000)	(1,720,000)	(8,206,000)
Net income/(loss) attributable to Entity	154,334,000	44,812,000	212,177,000
United Dominion Reality L.P.
REVENUES
Rental income	422,634,000	401,853,000	384,946,000
Rental expenses:
Property operating and maintenance	75,211,000	75,019,000	72,843,000
Real estate taxes and insurance	(47,110,000)	(45,139,000)	(40,866,000)
Property management	(11,622,000)	(11,051,000)	(10,587,000)
Other operating expenses	(5,172,000)	(5,728,000)	(5,272,000)
Real estate depreciation and amortization	(179,176,000)	(179,367,000)	(191,731,000)
General and administrative	(28,541,000)	(24,808,000)	(26,204,000)
Casualty-related (recoveries)/charges, net	541,000	(8,083,000)	5,518,000
Total operating expenses	347,373,000	333,029,000	353,021,000
Operating Income (Loss)	75,261,000	68,824,000	31,925,000
Interest expense	37,114,000	34,989,000	43,277,000
Interest expense on note payable due to General Partner	4,603,000	1,069,000	1,957,000
Income/(loss) from continuing operations	33,544,000	32,766,000	(13,309,000)
Income/(loss) from discontinued operations	0	45,176,000	57,643,000
Income/(loss) before gain/(loss) on sale of real estate owned	33,544,000	77,942,000	44,334,000
Gain/(loss) on sales of real estate owned	63,635,000	0	0
Net income/(loss)	97,179,000	77,942,000	44,334,000
Net (income)/loss attributable to non-controlling interests	(952,000)	(4,566,000)	(352,000)
Net income/(loss) attributable to Entity	$ 96,227,000	$ 73,376,000	$ 43,982,000
Income/(loss) per OP unit- basic and diluted:
Income/(loss) from continuing operations attributable to OP unitholders	$ 0.53	$ 0.16	$ (0.07)
Income/(loss) from discontinued operations attributable to OP unitholders	$ 0.00	$ 0.24	$ 0.31
Net income/(loss) attributable to OP unitholders	$ 0.53	$ 0.40	$ 0.24
Weighted average OP units outstanding - basic and diluted	183,279	184,196	184,281