Summary of Significant Accounting Policies - Summary of Deferred Leasing Intangibles (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Total deferred leasing intangibles, net, included in total assets	$ 29,499	$ 33,326
Total deferred leasing intangibles, net, included in total liabilities	10,400	11,841
In-Place Leases
Finite-Lived Intangible Assets [Line Items]
Total deferred leasing intangibles, net, included in total assets	17,529	19,438
Above Market Leases
Finite-Lived Intangible Assets [Line Items]
Total deferred leasing intangibles, net, included in total assets	2,373	2,520
Below Market Ground Lease Obligation
Finite-Lived Intangible Assets [Line Items]
Total deferred leasing intangibles, net, included in total assets	1,733	1,778
Tenant Relationships
Finite-Lived Intangible Assets [Line Items]
Total deferred leasing intangibles, net, included in total assets	7,864	9,590
Below Market Leases
Finite-Lived Intangible Assets [Line Items]
Total deferred leasing intangibles, net, included in total liabilities	$ 10,400	$ 11,841