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Reconciliation of Basic and Diluted Earnings (Loss) Per Share (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Net income (loss) $ 324 $ 239 $ 664 $ 392
(Income) loss allocated to preferred shares (4) (4) (8) (8)
(Income) loss allocated to noncontrolling interests (272) (249) (604) (424)
Net income (loss) allocable to common shares $ 48 $ (14) $ 52 $ (40)
Weighted-average shares outstanding-Basic 3,556,349 320,000 1,959,998 222,747
Weighted-average shares outstanding-Diluted 3,556,349 320,000 1,959,998 222,747
Earnings (loss) per share-Basic $ 0.01 $ (0.04) $ 0.03 $ (0.18)
Earnings (loss) per share-Diluted $ 0.01 $ (0.04) $ 0.03 $ (0.18)