XML 49 R38.htm IDEA: XBRL DOCUMENT v3.20.2
Lease Obligations - Summary of the lease terms and discount rates (Details)
Sep. 30, 2020
Dec. 31, 2019
Leases [Abstract]    
Weighted-average remaining lease term - finance leases 7 months 6 days 1 year 4 months 24 days
Weighted-average remaining lease term - operating leases 3 years 6 months 3 years 10 months 24 days
Weighted-average discount rate - finance leases 2.50% 2.50%
Weighted-average discount rate - operating leases 3.90% 3.80%