Annual report pursuant to Section 13 and 15(d)

Accrued Liabilities (Details)

v3.3.1.900
Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Accrued Liabilities    
Employee compensation $ 16,037 $ 24,704
Insurance 20,274 24,892
Other 22,058 23,151
Total Accrued Liabilities $ 58,369 $ 72,747