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Noncontrolling Interests (Tables) | 3 Months Ended
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Mar. 31, 2021
Noncontrolling Interest [Line Items] |
Distribution Declared to OP, LTIP, OPP and MYLTIP Units [Table Text Block] | The following table presents Boston Properties, Inc.’s dividends per share and Boston Properties Limited Partnership’s distributions per OP Unit and LTIP Unit paid or declared in 2021 and during the three months ended March 31, 2020:
Record Date |  | Payment Date |  | Dividend (Per Share) |  | Distribution (Per Unit)
March 31, 2021 |  | April 30, 2021 |  | $0.98 |  |  | $0.98 |
December 31, 2020 |  | January 28, 2021 |  | $0.98 |  |  | $0.98 |
March 31, 2020 |  | April 30, 2020 |  | $0.98 |  |  | $0.98 |
December 31, 2019 |  | January 30, 2020 |  | $0.98 |  |  | $0.98 |
Noncontrolling Interests [Member] |
Noncontrolling Interest [Line Items] |
Distribution Declared to OP, LTIP, OPP and MYLTIP Units [Table Text Block] | The following table presents Boston Properties Limited Partnership’s distributions on the OP Units and LTIP Units (including the 2012 OPP Units, 2013 - 2017 MYLTIP Units and, after the February 5, 2021 measurement date, the 2018 MYLTIP Units) and its distributions on the 2018 MYLTIP Units (prior to the February 5, 2021 measurement date) and 2019 - 2021 MYLTIP Units (after the February 2, 2021 issuance date of the 2021 MYLTIP Units) that occurred during the three months ended March 31, 2021:
Record Date |  | Payment Date |  | Distributions per OP Unit and LTIP Unit |  | Distributions per MYLTIP Unit
March 31, 2021 |  | April 30, 2021 |  | $0.98 |  |  | $0.098 |
December 31, 2020 |  | January 28, 2021 |  | $0.98 |  |  | $0.098 |
Record Date |  | Payment Date |  | Distributions per OP Unit and LTIP Unit |  | Distributions per MYLTIP Unit
March 31, 2020 |  | April 30, 2020 |  | $0.98 |  |  | $0.098 |
December 31, 2019 |  | January 30, 2020 |  | $0.98 |  |  | $0.098 |

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