XML 89 R73.htm IDEA: XBRL DOCUMENT v3.20.4
Commitments and Contingencies Commitments and Contingencies (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Commitments and Contingencies Disclosure [Abstract]      
Loss on impairment of right-of-use asset $ 577 $ 1,127 $ 0
Operating Leases, Rent Expense, Net 2,300 2,700 $ 2,500
2021 2,563    
2022 2,564    
2023 150    
2024 0    
2025 0    
Total minimum lease payments 5,277    
Less imputed interest (409)    
Total $ 4,868 $ 6,469