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Income Taxes - Summary of Combined Activity and Taxable Activity (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Puerto Rico [Member]      
Income Before Income Taxes [Line Items]      
Book (loss) income before income taxes   $ (11,040) $ (9,919)
Current   0 673
Deferred   0 0
Total expense   0 673
TRS [Member]      
Income Before Income Taxes [Line Items]      
Book (loss) income before income taxes $ (1,446) 12,104 6,705
Current 0 0 0
Deferred 0 0 0
Total expense $ 0 $ 0 $ 0