Summary of Significant Accounting Policies - Summary of Deferred Leasing Intangibles (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Total deferred leasing intangibles, net, included in total assets	$ 28,533	$ 29,678
Total deferred leasing intangibles, net, included in total liabilities	11,893	9,560
In-Place Leases
Finite-Lived Intangible Assets [Line Items]
Total deferred leasing intangibles, net, included in total assets	20,188	19,971
Above Market Leases
Finite-Lived Intangible Assets [Line Items]
Total deferred leasing intangibles, net, included in total assets	2,197	2,569
Below Market Ground Lease Obligation
Finite-Lived Intangible Assets [Line Items]
Total deferred leasing intangibles, net, included in total assets	1,597	1,643
Tenant Relationships
Finite-Lived Intangible Assets [Line Items]
Total deferred leasing intangibles, net, included in total assets	4,551	5,495
Below Market Leases
Finite-Lived Intangible Assets [Line Items]
Total deferred leasing intangibles, net, included in total liabilities	$ 11,893	$ 9,560