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Noncontrolling Interests (Tables) | 12 Months Ended
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Dec. 31, 2020
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 2020 and during the year ended December 31, 2019:
Record Date |  | Payment Date |  | Dividend (Per Share) |  | Distribution (Per Unit)
December 31, 2020 |  | January 28, 2021 |  | $0.98 |  |  | $0.98 |
September 30, 2020 |  | October 30, 2020 |  | $0.98 |  |  | $0.98 |
June 30, 2020 |  | July 31, 2020 |  | $0.98 |  |  | $0.98 |
March 31, 2020 |  | April 30, 2020 |  | $0.98 |  |  | $0.98 |
December 31, 2019 |  | January 30, 2020 |  | $0.98 |  |  | $0.98 |
December 31, 2019 |  | January 30, 2020 |  | $0.98 |  |  | $0.98 |
September 30, 2019 |  | October 31, 2019 |  | $0.95 |  |  | $0.95 |
June 28, 2019 |  | July 31, 2019 |  | $0.95 |  |  | $0.95 |
March 29, 2019 |  | April 30, 2019 |  | $0.95 |  |  | $0.95 |
December 31, 2018 |  | January 30, 2019 |  | $0.95 |  |  | $0.95 |
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 - 2016 MYLTIP Units and, after the February 6, 2020 measurement date, the 2017 MYLTIP Units) and its distributions on the 2017 MYLTIP Units (prior to the February 6, 2020 measurement date) and 2018 - 2020 MYLTIP Units (after the February 4, 2020 issuance date) that occurred during the year ended December 31, 2020:
Record Date |  | Payment Date |  | Distributions per OP Unit and LTIP Unit |  | Distributions per MYLTIP Unit
December 31, 2020 |  | January 28, 2021 |  | $0.98 |  |  | $0.098 |
September 30, 2020 |  | October 30, 2020 |  | $0.98 |  |  | $0.098 |
June 30, 2020 |  | July 31, 2020 |  | $0.98 |  |  | $0.098 |
March 31, 2020 |  | April 30, 2020 |  | $0.98 |  |  | $0.098 |
December 31, 2019 |  | January 30, 2020 |  | $0.98 |  |  | $0.098 |
The following table presents Boston Properties Limited Partnership’s distributions on the OP Units and LTIP Units (including the 2012 OPP Units, 2013 - 2015 MYLTIP Units and, after the February 9, 2019 measurement date, the 2016 MYLTIP Units) and its distributions on the 2016 MYLTIP Units (prior to the February 9, 2019 measurement date) and 2017 - 2019 MYLTIP Units (after the February 5, 2019 issuance date) that occurred during the year ended December 31, 2019:
Record Date |  | Payment Date |  | Distributions per OP Unit and LTIP Unit |  | Distributions per MYLTIP Unit
December 31, 2019 |  | January 30, 2020 |  | $0.98 |  |  | $0.098 |
September 30, 2019 |  | October 31, 2019 |  | $0.95 |  |  | $0.095 |
June 28, 2019 |  | July 31, 2019 |  | $0.95 |  |  | $0.095 |
March 29, 2019 |  | April 30, 2019 |  | $0.95 |  |  | $0.095 |
December 31, 2018 |  | January 30, 2019 |  | $0.95 |  |  | $0.095 |

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