XML 54 R43.htm IDEA: XBRL DOCUMENT v3.21.2
LEASES - Narrative (Details)
Sep. 30, 2021
Dec. 31, 2020
Leases [Abstract]    
Weighted average remaining lease term, operating lease 3 years 8 months 12 days 4 years 4 months 24 days
Weighted average discount rate, operating lease 7.50% 7.50%