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Lease Intangibles - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]    
Below market rents, acquired   $ 4.6
Below market rents acquired, weighted average useful life   20 years 2 months 12 days
In-place lease intangible assets    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets acquired $ 0.0 $ 21.0
Acquired intangible assets, weighted average useful life   4 years 10 months 24 days
Above-market rent    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets acquired $ 0.0 $ 2.0
Acquired intangible assets, weighted average useful life   5 years 9 months 18 days