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Leases - Narrative (Details) - lease
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Leases [Abstract]    
Number of finance leases 5  
Weighted average remaining lease term, operating leases 34 years 6 months  
Weighted average remaining lease term, finance leases 1 year 1 month 6 days  
Weighted average incremental borrowing rate, operating leases 7.70%  
Weighted average incremental borrowing rate, finance leases   3.70%