Intangible Assets and Liabilities - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Leases, Acquired-in-Place, Market Adjustment [Member]
Finite Lived Intangible Assets [Line Items]
Rental income increase	$ 7,981	$ 7,100	$ 10,989	$ 3,481
Write-off above market lease asset				9,834
Leases, Acquired-in-Place [Member]
Finite Lived Intangible Assets [Line Items]
Amortization of acquired in-place leases	$ 22,649	$ 23,463	$ 40,423	$ 54,155