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Leases - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2020
Lessee, Lease, Description [Line Items]    
Operating leases rent expense $ 21,441  
Minimum    
Lessee, Lease, Description [Line Items]    
Lease renewal term   1 year
Maximum    
Lessee, Lease, Description [Line Items]    
Lease renewal term   10 years