XML 26 R25.htm IDEA: XBRL DOCUMENT v3.19.3
Summary of Significant Accounting Policies Goodwill (Details) - USD ($)
9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Summary of Significant Accounting Policies [Abstract]    
Goodwill, Impairment Loss $ 0 $ 0