XML 59 R48.htm IDEA: XBRL DOCUMENT v3.10.0.1
Income Taxes - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Income Tax Disclosure [Abstract]        
Income tax provision $ 473 $ 409 $ 1,185 $ 1,270