XML 49 R35.htm IDEA: XBRL DOCUMENT v3.20.4
Significant Accounting Policies - Acquired Real Estate Leases and Amortization (Details) - Acquired in-place and above market real estate leases - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Acquired real estate leases and amortization      
Amortization expense $ 12,500 $ 18,900 $ 26,900
Estimated annual amortization for succeeding five years      
2021 8,975    
2022 5,400    
2023 4,268    
2024 3,550    
2025 2,797    
2026 and thereafter $ 3,216    
Minimum      
Acquired real estate leases and amortization      
Term of lease 47 months    
Maximum      
Acquired real estate leases and amortization      
Term of lease 176 months