Quarterly report pursuant to Section 13 or 15(d)

Income Tax (Details)

v3.10.0.1
Income Tax (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 expense $ 939 $ 5 $ 1,110 $ 119
Federal benefit (as a percent) 3.00% 5.00% 3.00% 5.00%