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Noncontrolling Interests (Tables) | 3 Months Ended
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Mar. 31, 2019
Noncontrolling Interest [Line Items] |
Distributions 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 in 2019 and occurred during the first quarter of 2018:
Record Date |  | Payment Date |  | Dividend (Per Share) |  |  | Distribution (Per Unit) |
March 29, 2019 |  | April 30, 2019 |  |  | $0.95 |  |  |  | $0.95 |
December 31, 2018 |  | January 30, 2019 |  |  | $0.95 |  |  |  | $0.95 |
March 29, 2018 |  | April 30, 2018 |  |  | $0.80 |  |  |  | $0.80 |
December 31, 2017 |  | January 30, 2018 |  |  | $0.80 |  |  |  | $0.80 |
Noncontrolling Interests [Member] |
Noncontrolling Interest [Line Items] |
Distributions 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 MYLTIP Units, 2014 MYLTIP Units and 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), 2017 MYLTIP Units, 2018 MYLTIP Units and 2019 MYLTIP Units (after the February 5, 2019 issuance date) paid in 2019:
Record Date |  | Payment Date |  | Distributions per OP Unit and LTIP Unit |  | Distributions per MYLTIP Unit
March 29, 2019 |  | April 30, 2019 |  |  | $0.95 |  |  |  | $0.095 |
December 31, 2018 |  | January 30, 2019 |  |  | $0.95 |  |  |  | $0.095 |
The following table presents Boston Properties Limited Partnership’s distributions on the OP Units and LTIP Units (including the 2012 OPP Units, 2013 MYLTIP Units, 2014 MYLTIP Units and, after the February 4, 2018 measurement date, the 2015 MYLTIP Units) and its distributions on the 2015 MYLTIP Units (prior to the February 4, 2018 measurement date), 2016 MYLTIP Units, 2017 MYLTIP Units and 2018 MYLTIP Units (after the February 6, 2018 issuance date) that occurred during the first quarter of 2018:
Record Date |  | Payment Date |  | Distributions per OP Unit and LTIP Unit |  | Distributions per MYLTIP Unit
March 29, 2018 |  | April 30, 2018 |  |  | $0.80 |  |  |  | $0.080 |
December 31, 2017 |  | January 30, 2018 |  |  | $0.80 |  |  |  | $0.080 |

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