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Leases Leases (Details Textual)
Dec. 31, 2019
Minimum  
Operating Leased Assets [Line Items]  
Lessee, Operating Lease, Term of Contract 1 year
Lessee, Operating Lease, Renewal Term 1 year
Maximum  
Operating Leased Assets [Line Items]  
Lessee, Operating Lease, Term of Contract 10 years
Lessee, Operating Lease, Renewal Term 6 years
Sublease | Minimum  
Operating Leased Assets [Line Items]  
Lessee, Operating Lease, Term of Contract 1 year
Sublease | Maximum  
Operating Leased Assets [Line Items]  
Lessee, Operating Lease, Term of Contract 9 years