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Related Party Transactions - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Dec. 31, 2018
Related Party Transaction [Line Items] |  |  |
Related parties | $ (10,447) | $ 10,169 |
Due from affiliates | 14,903 |  | $ 85,181
Related parties note receivable, RED Consolidated Holdings, LLC |  |  |
Related Party Transaction [Line Items] |  |  |
Due from affiliates | $ 3,471 |  | 3,689
Note receivable, interest rate | 5.25% |  |
Interest income, related party | $ 48 | 60 |
NML |  |  |
Related Party Transaction [Line Items] |  |  |
Interest expense, related party |  | 2,147 |
Joint Venture | Financing Arrangement |  |  |
Related Party Transaction [Line Items] |  |  |
Related parties | (10,447) | 8,022 |
Unconsolidated Joint Ventures |  |  |
Related Party Transaction [Line Items] |  |  |
Due from affiliates | 11,432 |  | 6,385
Affiliated Entity | Notes Receivable | Fashion Outlets of San Francisco |  |  |
Related Party Transaction [Line Items] |  |  |
Interest income, related party | $ 1,112 | $ 749 |
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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