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Earnings Per Share - Reconciliation of Numerators and Denominators Used in Computations of Basic and Diluted Earnings Per Share (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Earnings Per Share [Abstract]    
Loss from continuing operations $ (999) $ (4,163)
Net income attributable to noncontrolling interests 746 584
Preferred stock dividends 9,146 8,972
Net loss from continuing operations available to common shareholders $ (10,891) $ (13,719)
Basic and diluted weighted-average number of shares outstanding 178,702 177,953
Basic and diluted loss per share from continuing operations available to common shareholders $ (0.06) $ (0.08)