XML 95 R62.htm IDEA: XBRL DOCUMENT v3.20.1
ACQUISITION - Pro-forma summary (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Consolidated pro forma summary    
Revenues $ 337,695 $ 477,326
Net loss $ 70,884 $ 21,593