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Lease Assets and Lease Liabilities Lease Assets and Lease LIabilities (Land Rights) (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Minimum | Land rights, net    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, land rights, remaining amortization period 10 years  
Maximum | Land rights, net    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, land rights, remaining amortization period 92 years  
Land rights, net    
Finite-Lived Intangible Assets [Line Items]    
Land rights $ 694,077 $ 694,077
Less accumulated amortization (48,467) (39,406)
Land rights, net 645,610 $ 654,671
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]    
2019 3,020  
2020 12,081  
2021 12,081  
2022 12,081  
2023 12,081  
Thereafter $ 594,266