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Leases - Narrative (Details)
$ in Thousands
9 Months Ended
Sep. 01, 2020
USD ($)
location
Sep. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
Lessee, Lease, Description [Line Items]      
Lease renewal term   1 year  
Number of facilities closed | location 2    
Asset impairment charges   $ 54,072 $ 1,728
ROU Assets      
Lessee, Lease, Description [Line Items]      
Asset impairment charges $ 1,627    
Leasehold Improvements      
Lessee, Lease, Description [Line Items]      
Asset impairment charges $ 1,953    
Minimum      
Lessee, Lease, Description [Line Items]      
Remaining lease term   1 year  
Maximum      
Lessee, Lease, Description [Line Items]      
Remaining lease term   16 years