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Lease Agreements - Company as Lessor (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2020
USD ($)
building
Lessor, Lease, Description [Line Items]  
Number of commercial buildings under lease agreements | building 1
Future Minimum Rent  
2021 $ 720,570
2022 34,240
2023 14,971
2024 13,619
2025 11,265
Thereafter 24,855
Operating leases $ 819,520
Minimum  
Lessor, Lease, Description [Line Items]  
Short-term lease terms 9 months
Commercial lease terms 5 years
Maximum  
Lessor, Lease, Description [Line Items]  
Short-term lease terms 12 months
Commercial lease terms 20 years