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Leases - Operating Leases Lessee Maturities (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Jan. 01, 2019
Leases, Capital [Abstract]    
2020 $ 3,223  
2021 2,667  
2022 2,247  
2023 1,379  
2024 67  
2025 and thereafter 0  
Total undiscounted future cash flows related to lease payments 9,583  
Less: imputed interest (643)  
Total present value of lease liability 8,940 $ 10,500
Leases, Operating [Abstract]    
2020 828,350  
2021 710,672  
2022 591,425  
2023 450,601  
2024 333,161  
2025 641,498  
Total $ 3,555,707