PROPERTY ACQUISITIONS (Details) (USD $)	3 Months Ended
	Mar. 31, 2013 property
Property Acquisitions
Number of Properties	2
Total Consideration Paid	$ 23,404,000
Cash Consideration Paid	15,621,000
Non-cash gain	2,556,000
Notes Issued to/from Seller	2,251,000
Previous equity interest	3,446,000
Net Liabilities (Assets) Assumed	(470,000)
Acquisition Date Fair Value, Land	2,584,000
Acquisition Date Fair Value, Building	20,274,000
Acquisition Date Fair Value, Intangible	450,000
Closing costs - expensed	96,000
Maryland
Property Acquisitions
Number of Properties	1
Total Consideration Paid	12,321,000
Cash Consideration Paid	8,029,000
Non-cash gain	2,215,000
Previous equity interest	2,273,000
Net Liabilities (Assets) Assumed	(196,000)
Acquisition Date Fair Value, Land	1,266,000
Acquisition Date Fair Value, Building	10,789,000
Acquisition Date Fair Value, Intangible	260,000
Closing costs - expensed	6,000
Illinois
Property Acquisitions
Number of Properties	1
Total Consideration Paid	11,083,000
Cash Consideration Paid	7,592,000
Non-cash gain	341,000
Notes Issued to/from Seller	2,251,000
Previous equity interest	1,173,000
Net Liabilities (Assets) Assumed	(274,000)
Acquisition Date Fair Value, Land	1,318,000
Acquisition Date Fair Value, Building	9,485,000
Acquisition Date Fair Value, Intangible	190,000
Closing costs - expensed	$ 90,000