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Share-Based Compensation - AO LTIP Units (Details) - $ / shares | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of AO LTIP Units (in shares) | 21,567 | 24,067
John A. Kite | AO LTIP Units - 2019 Awards |  |
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
John A. Kite | AO LTIP Units - 2020 Awards |  |
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 |
Thomas A. McGowan | AO LTIP Units - 2019 Awards |  |
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
Thomas A. McGowan | AO LTIP Units - 2020 Awards |  |
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 |
Heath R. Fear | AO LTIP Units - 2019 Awards |  |
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
Heath R. Fear | AO LTIP Units - 2020 Awards |  |
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 |

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