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Accrued Payroll Costs
 12 Months Ended
Dec. 31, 2016
Accrued Payroll Costs [Abstract]  
Accrued Payroll Costs
Accrued Payroll Costs
Accrued payroll costs consisted of the following (in thousands):
 
DECEMBER 31,
 
2016
 
2015
Payroll and benefits
$
37,409

 
$
39,043

Payroll taxes
2,640

 
2,832

Health insurance liabilities
2,790

 
2,968

Workers’ compensation liabilities
1,298

 
1,282

 
$
44,137

 
$
46,125