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Leases - Lease Term and Discount Rate (Details)
12 Months Ended
Dec. 31, 2019
Leases [Abstract]  
Document Period End Date Dec. 31, 2019
Weighted-average remaining lease term (years)  
Operating leases 6 years 8 months 12 days
Finance leases 7 years 3 months 18 days
Weighted-average discount rate  
Operating leases 6.49%
Finance leases 5.27%