SEGMENT REPORTING (Tables)

12 Months Ended

Dec. 31, 2012

SEGMENT REPORTING

Schedule of revenues and net operating income for each of the reportable segments

	2012			2011			2010
Revenues
Apartments owned
Core properties	$	554,429		$	530,322		$	498,683
Non-core properties	89,609			31,079			—
Reconciling items	310			155			106
Total revenues	$	644,348		$	561,556		$	498,789
Net operating income
Apartments owned
Core properties	$	351,610		$	325,194		$	295,262
Non-core properties	57,388			19,138			—
Reconciling items	310			155			106
Net operating income, including reconciling items	409,308			344,487			295,368
General and administrative expenses	(34,174		)	(29,145		)	(25,138		)
Interest expense	(125,809		)	(127,618		)	(120,652		)
Depreciation and amortization	(165,642		)	(140,713		)	(122,772		)
Other expenses	(2,741		)	(3,225		)	(2,871		)
Income from continuing operations	$	80,942		$	43,786		$	23,935

Summary of assets for each of the reportable segments

Assets	2012		2011
Apartments owned
Core properties	$	3,207,303	$	3,214,456
Non-core properties	1,139,083		844,109
Reconciling items	105,106		94,641
Total assets	$	4,451,492	$	4,153,206