Annual report pursuant to Section 13 and 15(d)

Goodwill and In-Process Research and Development - Schedule of Goodwill (Details)

v3.19.1
Goodwill and In-Process Research and Development - Schedule of Goodwill (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]    
Balance, January 1, $ 65,195 $ 65,195
Impairment charges
Balance at December 31, $ 65,195 $ 65,195