XML 52 R53.htm IDEA: XBRL DOCUMENT v3.20.1
Schedule of Estimated Amortization Expense, Intangible Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Goodwill And Intangible Assets Disclosure [Abstract]      
2020 $ 268    
2021 270    
2022 159    
2023 129    
2024 129    
Total $ 955 $ 1,190 $ 1,440