Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Income and Total Comprehensive Income (Parenthetical)

v3.10.0.1
Condensed Consolidated Statements of Income and Total Comprehensive Income (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Income Statement [Abstract]        
Other comprehensive income, tax $ 3 $ 9 $ 10 $ 28