Deferred Costs and Intangibles, net - Deferred Costs (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Deferred Costs [Abstract]
Acquired lease intangible assets	$ 59,137	$ 60,862
Deferred leasing costs and other	60,372	62,109
Deferred costs and intangibles, gross	119,509	122,971
Less—accumulated amortization	(49,989)	(49,814)
Total	$ 69,520	$ 73,157