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Prepaid Expenses and Other Assets - Summary of Prepaid Expenses and Other Assets (Detail) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Prepaid Expense and Other Assets [Abstract]    
Asset held for sale $ 2,010 $ 6,154
Prepaid expenses 1,487 1,209
Income tax receivable   5,134
Other 700 912
Total prepaid expenses and other assets $ 4,197 $ 13,409