Annual report pursuant to Section 13 and 15(d)

Deferred Charges (Details)

v3.8.0.1
Deferred Charges (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]    
Deferred lease costs and other intangibles, gross $ 307,366 $ 316,939
Accumulated amortization (175,305) (165,360)
Deferred lease costs and other intangibles, net 132,061 151,579
Deferred Lease Costs [Member]    
Finite-Lived Intangible Assets [Line Items]    
Deferred lease costs and other intangibles, gross 81,888 76,733
Above market lease value [Member]    
Finite-Lived Intangible Assets [Line Items]    
Deferred lease costs and other intangibles, gross 54,763 57,077
Lease in place value [Member]    
Finite-Lived Intangible Assets [Line Items]    
Deferred lease costs and other intangibles, gross 71,801 77,858
Tenant Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Deferred lease costs and other intangibles, gross 49,184 52,925
Other Intangible Assets [Member]    
Finite-Lived Intangible Assets [Line Items]    
Deferred lease costs and other intangibles, gross $ 49,730 $ 52,346