Annual report pursuant to Section 13 and 15(d)

Properties, Net (Details)

v3.10.0.1
Properties, Net (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Properties        
Gross $ 4,148,529 $ 3,980,813 $ 3,874,715 $ 4,158,616
Operating properties, net 2,847,265 2,737,611    
Operating properties, net [Member]        
Properties        
Less: accumulated depreciation (897,903) (786,193)    
Operating properties, net 2,847,265 2,737,611    
Operating properties, net [Member] | Land [Member]        
Properties        
Gross 503,274 455,680    
Operating properties, net [Member] | Buildings and improvements [Member]        
Properties        
Gross $ 3,241,894 $ 3,068,124