Deferred Costs and Intangibles, Net - Deferred Costs (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Acquired lease intangible assets	$ 81,852	$ 107,668
Deferred leasing costs and other	69,870	68,335
Deferred costs, gross	151,722	176,003
Less—accumulated amortization	(56,307)	(63,644)
Subtotal	95,415	112,359
Less - asset held for sale	(151)	0
Total	$ 95,264	$ 112,359