XML 55 R43.htm IDEA: XBRL DOCUMENT v3.10.0.1
Goodwill and Intangible Assets - Goodwill (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2018
Goodwill and Intangible Assets [Abstract]    
Balance, beginning of period   $ 20,744
Impairment of goodwill $ (2,800) (2,825)
Balance, end of period $ 17,919 $ 17,919