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Property, net - Narrative (Details)
$ in Thousands
12 Months Ended
May 31, 2016
USD ($)
Apr. 13, 2016
USD ($)
Jan. 06, 2016
Nov. 19, 2015
USD ($)
Oct. 30, 2015
Aug. 28, 2014
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
property
Dec. 31, 2013
USD ($)
Property, Plant and Equipment [Abstract]                    
Depreciation expense             $ 277,270 $ 354,977 $ 289,178  
Property, Plant and Equipment [Line Items]                    
Gain (loss) on sale of assets             (375) 9,850 3,643  
Gain (loss) on sale or write down of assets, net             415,348 378,248 $ 73,440  
Gain on land sales             4,546      
Contingent settlement payment             12,180      
Write-off of development cost             1,538 182    
Impairment of real estate               10,633    
Flagstaff Mall                    
Property, Plant and Equipment [Line Items]                    
Gain (loss) on sale or write down of assets, net             (39,671)      
Mervyn's                    
Property, Plant and Equipment [Line Items]                    
Number of properties | property                 3  
Arrowhead Towne Center                    
Property, Plant and Equipment [Line Items]                    
Gain (loss) on sale of assets             $ 101,629      
Percentage of ownership interest sold     40.00%              
PPR Portfolio                    
Property, Plant and Equipment [Line Items]                    
Percentage of ownership interest sold         40.00%   40.00%      
Gain on land sales               1,807    
Gain on sale of assets               $ 2,336    
Capitola Mall                    
Property, Plant and Equipment [Line Items]                    
Gain (loss) on sale or write down of assets, net             $ 24,894      
Gain on disposal   $ 24,894                
Mervyn's (former locations)                    
Property, Plant and Equipment [Line Items]                    
Gain (loss) on sale or write down of assets, net             $ (3,066)      
Gain on disposal $ (3,066)                  
Panorama Mall                    
Property, Plant and Equipment [Line Items]                    
Gain on disposal       $ 73,726            
Wilshire Boulevard                    
Property, Plant and Equipment [Line Items]                    
Gain (loss) on sale of assets           $ 9,033        
Percentage of ownership interest sold           30.00%        
Gain on sale of assets                 $ 9,033  
Rotterdam Square, Somersville Towne Center, Lake Square Mall, South Towne Center, Camelback Colonnade and four former Meryvns' stores                    
Property, Plant and Equipment [Line Items]                    
Gain (loss) on sale of assets                 $ 144,927  
Gain (loss) on sale or write down of assets, net                   $ (41,216)
Gain on sale of assets                   1,257
Loss on write-off of development costs                   $ (40,561)