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Related Party Transactions - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018
Related Party Transaction [Line Items] |  |  |  |  |
Related party interest (income) expense | $ (36,059) | $ 1,074 | $ (59,749) | $ 8,481 |
Due from affiliates | 9,627 |  | 9,627 |  | $ 85,181
Related parties note receivable, RED Consolidated Holdings, LLC |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Due from affiliates | $ 3,028 |  | $ 3,028 |  | $ 3,689
Note receivable, interest rate | 5.25% |  | 5.25% |  | 5.25%
Interest income, related party | $ 44 | 55 | $ 138 | 172 |
NML |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Interest expense, related party |  | 2,102 |  | 6,380 |
Joint Venture | Financing Arrangement |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Related party interest (income) expense | (36,059) | (1,028) | (59,749) | 2,101 |
Unconsolidated Joint Ventures |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Due from affiliates | $ 6,599 |  | 6,599 |  | $ 6,385
Affiliated Entity | Notes Receivable | Fashion Outlets of San Francisco |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Interest income, related party |  | $ 808 | $ 1,112 | $ 2,330 |
Note receivable |  |  |  |  | $ 75,107
Affiliated Entity | Notes Receivable | Fashion Outlets of San Francisco | LIBOR |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Note receivable, interest rate |  |  |  |  | 2.00%

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