XML 78 R57.htm IDEA: XBRL DOCUMENT v3.8.0.1
Accrued Payroll Costs - Components of Accrued Payroll Costs (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Accrued Payroll Costs [Abstract]    
Payroll and benefits $ 37,788 $ 37,409
Payroll taxes 5,270 2,640
Health insurance liabilities 2,596 2,790
Workers’ compensation liabilities 1,232 1,298
Total $ 46,886 $ 44,137