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Operating segments reconciles segment assets to total assets for the year ended(Detail) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Operating segments reconciles segment assets to total assets for the year ended      
Segment assets. $ 24,511 $ 24,511 $ 24,511
Investments in real estate partnerships segment 28,866 25,176 29,786
Other assets and receivables segment 40,436 54,692 48,694
Total assets segment. $ 93,813 $ 104,379 $ 108,041