Condensed Consolidated Statements of Income (Loss) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenue:
Rental	$ 43,147	$ 36,303
Related party revenue:
Management fees and interest income from loans	1,622	2,616
Other	31	34
Total revenue	44,800	38,953
Expenses:
Real estate operating expenses	10,770	8,697
Real estate taxes and insurance	6,597	5,696
Depreciation and amortization	15,987	13,071
Selling, general and administrative	2,532	2,077
Interest	4,208	3,677
Total expenses	40,094	33,218
Income before interest income, equity in earnings of non-consolidated REITs and taxes	4,706	5,735
Interest income	1	8
Equity in earnings (losses) of non-consolidated REITs	(187)	391
Income before taxes on income	4,520	6,134
Taxes on income	119	79
Income from continuing operations	4,401	6,055
Discontinued operations:
Loss from discontinued operations, net of income tax		(317)
Total discontinued operations		(317)
Net income	$ 4,401	$ 5,738
Weighted average number of shares outstanding, basic and diluted (in shares)	82,937	82,937
Earnings per share, basic and diluted, attributable to:
Continuing operations (in dollars per share)	$ 0.05	$ 0.07
Net income per share, basic and diluted (in dollars per share)	$ 0.05	$ 0.07