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Leases - Lease Terms and Discount Rates (Details)
Mar. 31, 2021
Dec. 31, 2020
Weighted-average remaining lease term    
Operating Leases 2 years 8 months 12 days 2 years 10 months 24 days
Finance Leases 1 year 1 month 6 days 1 year 3 months 18 days
Weighted-average discount rate    
Operating Leases 5.10% 5.10%
Finance Leases 3.90% 4.00%