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Employees And Payroll Accruals - Additional Information (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Payables and Accruals [Abstract]    
Employee and payroll accruals related to payroll accrued for the benefit of certain related parties, years 2002 to 2007 $ 2,568 $ 3,214