Supplemental Detail for Certain Components of Consolidated Balance Sheets - Acquired Lease Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Acquired lease intangible assets, net
Acquired in-place leases	$ 1,056,715	$ 1,005,244
Accumulated amortization of acquired in-place leases	(264,399)	(177,722)
Acquired above-market leases	304,548	252,581
Accumulated amortization of acquired above-market leases	(62,447)	(40,379)
Acquired lease intangible assets	$ 1,034,417	$ 1,039,724