XML 107 R91.htm IDEA: XBRL DOCUMENT v3.8.0.1
Related Party Transactions - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Related Party Transaction [Line Items]      
Interest expense, related party $ 8,731 $ 8,973 $ 10,515
Due (to) from affiliates 82,162 68,227  
Related Parties Note Receivable, RED Consolidated Holdings, LLC      
Related Party Transaction [Line Items]      
Due (to) from affiliates $ 4,796 5,593  
Notes receivable interest rate 5.25%    
Interest earned $ 268 366 520
Northwestern Mutual Life (NML)      
Related Party Transaction [Line Items]      
Interest expense payable, related party 716 736  
Unconsolidated joint ventures      
Related Party Transaction [Line Items]      
Due (to) from affiliates 5,411 (6,809)  
Affiliated entity | Notes receivable | Fashion Outlets of San Francisco      
Related Party Transaction [Line Items]      
Interest earned 2,513 2,234 $ 1,872
Note receivable $ 71,955 $ 69,443  
Affiliated entity | Notes receivable | Fashion Outlets of San Francisco | LIBOR      
Related Party Transaction [Line Items]      
Notes receivable interest rate 2.00%