CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenues:
Revenues from rental properties	$ 23,009	$ 26,908
Interest on notes and mortgages receivable	798	681
Total revenues	23,807	27,589
Operating expenses:
Rental property expenses	7,959	6,195
Impairment charges	472	274
Environmental expenses	1,115	615
General and administrative expenses	3,467	10,766
Depreciation and amortization expense	2,293	2,991
Total operating expenses	15,306	20,841
Operating income	8,501	6,748
Other income, net	35	295
Interest expense	(2,894)	(1,483)
Earnings from continuing operations	5,642	5,560
Discontinued operations:
Earnings (loss) from operating activities	(3,724)	392
Gains on dispositions of real estate	8,432	533
Earnings from discontinued operations	4,708	925
Net earnings	$ 10,350	$ 6,485
Basic and diluted earnings per common share:
Earnings from continuing operations	$ 0.17	$ 0.17
Earnings from discontinued operations	$ 0.14	$ 0.03
Net earnings	$ 0.31	$ 0.19
Weighted-average shares outstanding:
Basic	33,397	33,394
Stock options
Diluted	33,397	33,394