Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
REVENUES
Rental income	$ 87,829	$ 75,880
Mortgage interest	2,621	2,937
Other operating	1,449	1,456
Revenues	91,899	80,273
EXPENSES
Property operating	33,431	29,452
General and administrative	5,978	6,540
Depreciation	24,134	21,180
Amortization	2,759	2,666
Bad debt, net of recoveries	47	(12)
Total Expenses	66,349	59,826
OTHER INCOME (EXPENSE)
Interest expense	(17,918)	(19,771)
Interest and other income, net	100	231
Total other income (expense)	(17,818)	(19,540)
INCOME FROM CONTINUING OPERATIONS	7,732	907
DISCONTINUED OPERATIONS
Income (loss) from discontinued operations	(344)	1,705
Impairments	(3,425)	(3,630)
INCOME FROM DISCONTINUED OPERATIONS	(3,769)	(1,925)
NET INCOME (LOSS)	3,963	(1,018)
Less: Net (income) loss attributable to noncontrolling interests	(111)	19
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	$ 3,852	$ (999)
BASIC EARNINGS (LOSS) PER COMMON SHARE:
Income from continuing operations (in dollars per share)	$ 0.08	$ 0.01
Discontinued operations (in dollars per share)	$ (0.04)	$ (0.02)
Net income (loss) attributable to common stockholders (in dollars per share)	$ 0.04	$ (0.01)
DILUTED EARNINGS (LOSS) PER COMMON SHARE:
Income from continuing operations (in dollars per share)	$ 0.08	$ 0.01
Discontinued operations (in dollars per share)	$ (0.04)	$ (0.02)
Net income (loss) attributable to common stockholders (in dollars per share)	$ 0.04	$ (0.01)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING - BASIC (in shares)	94,152,252	86,894,336
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING - DILUTED (in shares)	95,585,432	88,382,436
DIVIDENDS DECLARED, PER COMMON SHARE, DURING THE PERIOD (in dollars per share)	$ 0.30	$ 0.30