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Leases Lease Term and Discount Rate (Details)
Dec. 31, 2020
Dec. 31, 2019
Weighted average remaining lease terms    
Operating leases 9 years 10 months 24 days 6 years 6 months
Finance leases 14 years 6 months 5 years 3 months 18 days
Weighted average discount rate    
Operating leases 9.20% 6.13%
Finance leases 9.50% 4.50%