XML 51 R40.htm IDEA: XBRL DOCUMENT v3.19.1
Intangible Assets, Net - Estimated Amortization of Intangible Assets (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]    
For the remaining nine months ending December 31, 2019 $ 1,875  
2020 2,500  
2021 417  
Total amortizable intangible assets $ 4,792 $ 5,417