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Operating segments reconciles segment assets to total assets for the year ended(Detail) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Operating segments reconciles segment assets to total assets for the year ended        
Segment assets $ 24,511 $ 24,511 $ 24,511 $ 24,511
Investments in real estate partnerships segment 25,734 25,247 25,734 25,247
Other assets and receivables segment 60,691 59,738 60,691 59,738
Total assets segment $ 110,936 $ 109,496 $ 110,936 $ 109,496