XML 74 R49.htm IDEA: XBRL DOCUMENT v3.20.4
Goodwill and Intangible Assets - Future Estimated Amortization Expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Amortizable intangible assets      
Aggregate amortization expense $ 6,767 $ 9,245  
Future estimated amortization expense      
2021 6,210    
2022 1,550    
2023 112    
2024 112    
2025 and thereafter 91    
Total $ 8,075 $ 15,901 $ 22,400
Weighted Average      
Amortizable intangible assets      
Remaining amortization period 1 year 6 months