XML 14 R3.htm IDEA: XBRL DOCUMENT v3.8.0.1
Consolidated Statements of Operations (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Income Statement [Abstract]        
Income tax provision on equity in earnings of affiliates $ 577 $ 650 $ 1,785 $ 1,850