Acquired In-Place Leases and Above/Below Market Leases Summary of Acquired Lease Intangibles (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets, Gross [Abstract]
Acquired lease intangible assets	$ 2,088	$ 3,337
Net of accumulated amortization of other intangible assets	(1,128)	(1,904)
Below Market Lease [Abstract]
Below market leases	66,521	68,973
Accumulated accretion	(33,073)	(30,806)
Acquired lease intangible liabilities, net	33,448	38,167
In-place leases
Finite-Lived Intangible Assets, Gross [Abstract]
Acquired lease intangible assets	48,741	52,289
Net of accumulated amortization of other intangible assets	(38,906)	(38,425)
Acquired lease intangible assets, net	9,835
Above market leases
Finite-Lived Intangible Assets, Gross [Abstract]
Acquired lease intangible assets	21,667	22,201
Net of accumulated amortization of other intangible assets	(19,579)	(18,864)
Acquired lease intangible assets, net	2,088
Acquired lease intangible assets
Finite-Lived Intangible Assets, Gross [Abstract]
Acquired lease intangible assets, net	$ 11,923	$ 17,201