XML 72 R60.htm IDEA: XBRL DOCUMENT v3.19.2
Employee Benefits - Summary of Workers' Compensation Known Claims and IBNR Reserves (Detail) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Employee-related Liabilities [Abstract]    
Included in other current liabilities $ 6,435 $ 5,795
Included in other long-term liabilities 10,167 9,447
Workers' Compensation Liability $ 16,602 $ 15,242