Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
REVENUES
Master lease rent	$ 14,434	$ 13,879	$ 29,452	$ 27,938
Property operating	53,849	46,760	106,203	92,290
Straight-line rent	1,110	725	2,396	1,326
Mortgage interest	1,825	469	3,474	1,107
Other operating	2,054	2,102	4,358	4,272
Revenues	73,272	63,935	145,883	126,933
EXPENSES
General and administrative	5,158	3,542	10,939	8,270
Property operating	28,477	24,237	56,572	48,435
Bad debt, net	93	(279)	272	(478)
Depreciation	19,120	16,450	38,015	32,654
Amortization	1,770	1,332	3,540	2,633
Expenses	54,618	45,282	109,338	91,514
OTHER INCOME (EXPENSE)
Loss on extinguishment of debt			(1,986)	(480)
Interest expense	(17,344)	(15,570)	(39,618)	(31,880)
Interest and other income, net	203	1,176	431	1,612
Other income (expense)	(17,141)	(14,394)	(41,173)	(30,748)
INCOME (LOSS) FROM CONTINUING OPERATIONS	1,513	4,259	(4,628)	4,671
DISCONTINUED OPERATIONS
Income from discontinued operations	498	730	988	2,281
Impairment			(147)
Gain on sales of real estate properties		1,525	36	4,221
INCOME FROM DISCONTINUED OPERATONS	498	2,255	877	6,502
NET INCOME (LOSS)	2,011	6,514	(3,751)	11,173
Noncontrolling interests share in net income		(40)	(27)	(105)
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	$ 2,011	$ 6,474	$ (3,778)	$ 11,068
BASIC EARNINGS (LOSS) PER COMMON SHARE:
Income (loss) from continuing operations	$ 0.02	$ 0.07	$ (0.07)	$ 0.08
Discontinued operations	$ 0.01	$ 0.04	$ 0.02	$ 0.10
Net income (loss) attributable to common stockholders	$ 0.03	$ 0.11	$ (0.05)	$ 0.18
DILUTED EARNINGS (LOSS) PER COMMON SHARE:
Income (loss) from continuing operations	$ 0.02	$ 0.07	$ (0.07)	$ 0.08
Discontinued operations	$ 0.01	$ 0.03	$ 0.02	$ 0.10
Net income (loss) attributable to common stockholders	$ 0.03	$ 0.10	$ (0.05)	$ 0.18
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING - BASIC	72,035,154	61,340,739	69,109,543	60,654,907
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING - DILUTED	73,149,232	62,382,409	69,109,543	61,690,322
DIVIDENDS DECLARED, PER COMMON SHARE, DURING THE PERIOD	$ 0.30	$ 0.30	$ 0.60	$ 0.60

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-Number 07-4
-Paragraph 4
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Namespace Prefix:	us-gaap
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration