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SHARE-BASED COMPENSATION - AO LTIP Units (Details) - $ / shares | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of AO LTIP Units (in shares) | 1,250 | 21,567 |
AO LTIP Units - 2019 Awards | John A. Kite |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of AO LTIP Units (in shares) |  |  | 1,490,683
Participation Threshold per AO LTIP Unit (in dollars per share) |  |  | $ 15.79
AO LTIP Units - 2019 Awards | Thomas A. McGowan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of AO LTIP Units (in shares) |  |  | 372,671
Participation Threshold per AO LTIP Unit (in dollars per share) |  |  | $ 15.79
AO LTIP Units - 2019 Awards | Heath R. Fear |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of AO LTIP Units (in shares) |  |  | 253,416
Participation Threshold per AO LTIP Unit (in dollars per share) |  |  | $ 15.79
AO LTIP Units - 2020 Awards | John A. Kite |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of AO LTIP Units (in shares) |  | 1,729,729 |
Participation Threshold per AO LTIP Unit (in dollars per share) |  | $ 17.76 |
AO LTIP Units - 2020 Awards | Thomas A. McGowan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of AO LTIP Units (in shares) |  | 405,405 |
Participation Threshold per AO LTIP Unit (in dollars per share) |  | $ 17.76 |
AO LTIP Units - 2020 Awards | Heath R. Fear |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of AO LTIP Units (in shares) |  | 275,675 |
Participation Threshold per AO LTIP Unit (in dollars per share) |  | $ 17.76 |
AO LTIP Units - 2021 Awards | John A. Kite |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of AO LTIP Units (in shares) | 477,612 |  |
Participation Threshold per AO LTIP Unit (in dollars per share) | $ 16.69 |  |
AO LTIP Units - 2021 Awards | Thomas A. McGowan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of AO LTIP Units (in shares) | 149,254 |  |
Participation Threshold per AO LTIP Unit (in dollars per share) | $ 16.69 |  |
AO LTIP Units - 2021 Awards | Heath R. Fear |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of AO LTIP Units (in shares) | 119,403 |  |
Participation Threshold per AO LTIP Unit (in dollars per share) | $ 16.69 |  |

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