XML 85 R60.htm IDEA: XBRL DOCUMENT v3.10.0.1
Acquisitions (Narrative) (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Business Acquisition [Line Items]      
Goodwill $ 171,117 $ 171,117 $ 171,117