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Income Taxes - Summary of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
--- | --- | --- | ---
Income Tax Expense Benefit [Line Items] |  |  |
Net deferred tax asset | $ 0 | $ 0 | $ 0
Puerto Rico [Member] |  |  |
Income Tax Expense Benefit [Line Items] |  |  |
Deferred tax assets |  | 53,394 | 50,061
Deferred tax liabilities |  | (35,437) | (36,298)
Valuation allowance |  | (17,957) | (13,763)
TRS [Member] |  |  |
Income Tax Expense Benefit [Line Items] |  |  |
Deferred tax assets | 65,891 | 67,085 | 73,182
Deferred tax liabilities | (514) | (539) | (492)
Valuation allowance | $ (65,377) | $ (66,546) | $ (72,690)

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