XML 73 R53.htm IDEA: XBRL DOCUMENT v3.19.3
Accrued Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Payables and Accruals [Abstract]    
Accrued compensation and benefits $ 40,234 $ 22,862
Miscellaneous accrued liabilities 10,633 7,975
Total accrued liabilities $ 50,867 $ 30,837