Deferred Costs and Other Intangibles, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Acquired Indefinite-lived Intangible Assets
Deferred leasing costs	$ 7,470	$ 8,692
Deferred financing costs	6,552	12,454
Intangible assets:
Intangible assets	23,961	26,498
Less: accumulated amortization	(12,005)	(16,069)
Total	11,956	10,429
Value of in-place leases
Intangible assets:
Intangible assets	4,739	152
Trademark
Intangible assets:
Intangible assets	3,100	3,100
Database
Intangible assets:
Intangible assets	$ 2,100	$ 2,100