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Investment in Real Estate - Summary of Industrial Properties Included in Discontinued Operations (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Real Estate Investment Property, Net [Abstract]    
Total Revenues $ 38 $ 3,388
Property Expenses (15) (1,392)
Depreciation and Amortization (3) (1,256)
Gain (Loss) on Sale of Real Estate 432 (3,074)
Income (Loss) from Discontinued Operations $ 452 $ (2,334)