Acquired In-Place Leases and Above/Below Market Leases Summary of Acquired Lease Intangibles (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets, Gross [Abstract]
Acquired lease intangible assets	$ 121	$ 183
Net of accumulated amortization of other intangible assets	(1,213)	(1,031)
Below Market Lease [Abstract]
Below market leases	56,677	62,126
Accumulated accretion	(35,219)	(36,674)
Acquired lease intangible liabilities, net	21,458	25,452
In-place leases
Finite-Lived Intangible Assets, Gross [Abstract]
Acquired lease intangible assets	60,965	63,896
Net of accumulated amortization of other intangible assets	(34,758)	(32,672)
Acquired lease intangible assets, net	26,207
Above market leases
Finite-Lived Intangible Assets, Gross [Abstract]
Acquired lease intangible assets	5,389	7,534
Net of accumulated amortization of other intangible assets	(5,268)	(7,351)
Acquired lease intangible assets, net	121
Acquired lease intangible assets
Finite-Lived Intangible Assets, Gross [Abstract]
Acquired lease intangible assets, net	$ 26,328	$ 31,407