XML 81 R67.htm IDEA: XBRL DOCUMENT v3.20.4
Leases - Additional Information (Details)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Leases [Abstract]    
Operating lease expiration year 2028  
Operating lease, Weighted average remaining operating lease term 7 years 7 months 6 days 8 years 4 months 24 days
Operating lease, weighted average discount rate, percent 7.50% 7.40%