XML 36 R35.htm IDEA: XBRL DOCUMENT v3.20.1
Intangible Assets - Amortization of Intangible Assets (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Intangible Assets    
Amortization of intangible assets $ 368 $ 364