Condensed Consolidated Statements of Income (Loss) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Revenue:
Rental	$ 38,251	$ 33,398	$ 110,124	$ 97,494
Related party revenue:
Management fees and interest income from loans	3,485	1,037	9,146	2,995
Other	39	7	112	20
Total revenue	41,775	34,442	119,382	100,509
Expenses:
Real estate operating expenses	9,639	8,889	26,940	25,590
Real estate taxes and insurance	5,764	4,950	16,952	14,757
Depreciation and amortization	13,572	12,183	39,647	34,671
Selling, general and administrative	3,141	1,654	7,454	4,901
Interest	4,187	3,419	11,901	9,405
Total expenses	36,303	31,095	102,894	89,324
Income before interest income, equity in earnings of non-consolidated REITs and taxes	5,472	3,347	16,488	11,185
Interest income	5	3	17	19
Equity in earnings of non-consolidated REITs	176	573	1,061	2,707
Income before taxes on income	5,653	3,923	17,566	13,911
Taxes on income	80	67	236	185
Income from continuing operations	5,573	3,856	17,330	13,726
Discontinued operations:
Income (loss) from discontinued operations, net of income tax	(271)	(542)	(856)	2,797
Gain on sale of properties and provision for loss on property held for sale of $14,300 less applicable income tax	(14,300)		(14,300)	21,939
Total discontinued operations	(14,571)	(542)	(15,156)	24,736
Net income (loss)	$ (8,998)	$ 3,314	$ 2,174	$ 38,462
Weighted average number of shares outstanding, basic (in shares)	82,937	81,600	82,937	81,492
Weighted average number of shares outstanding, diluted (in shares)	82,937	81,600	82,937	81,492
Earnings (loss) per share, basic and diluted, attributable to:
Continuing operations (in dollars per share)	$ 0.07	$ 0.05	$ 0.21	$ 0.17
Discontinued operations (in dollars per share)	$ (0.18)	$ (0.01)	$ (0.18)	$ 0.30
Net income per share, basic and diluted (in dollars per share)	$ (0.11)	$ 0.04	$ 0.03	$ 0.47