Acquired Lease Intangibles (Details) - Future Amortization of Acquired Lease Intangible Liabilities - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Acquired Lease Intangibles (Details) - Future Amortization of Acquired Lease Intangible Liabilities [Line Items]
Acquired lease intangible liabilities, net	$ 154,958	$ 124,861
Acquired Lease Intangible Liabilities
Acquired Lease Intangibles (Details) - Future Amortization of Acquired Lease Intangible Liabilities [Line Items]
2017	14,269
2018	13,375
2019	12,714
2020	11,546
2021	10,416
Thereafter	92,638
Acquired lease intangible liabilities, net	$ 154,958