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Related Party Arrangements (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Related Party Arrangements |  |  |  |  |
Management, development and other fees | $ 695 | $ 1,017 | $ 2,380 | $ 2,950 |
Compensation expense |  |  | 19,965 | 17,385 |
Unconsolidated real estate entities |  |  |  |  |
Related Party Arrangements |  |  |  |  |
Outstanding receivables | 3,374 |  | 3,374 |  | $ 5,408
Non Employee Director | Restricted stock and deferred stock awards |  |  |  |  |
Related Party Arrangements |  |  |  |  |
Compensation expense | 516 | $ 459 | 1,457 | $ 1,360 |
Amount of deferred compensation | $ 1,119 |  | $ 1,119 |  | $ 614

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