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Stockholders' Equity / Partners' Capital Stockholders Equity / Partners Capital (Tables) | 12 Months Ended
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Dec. 31, 2016
Class of Stock [Line Items] |
Dividends Declared [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 payable in 2016:
Record Date |  | Payment Date |  | Dividend (Per Share) |  |  | Distribution (Per Unit) |  |
December 30, 2016 |  | January 30, 2017 |  |  | $0.75 |  |  |  | $0.75 |  |
September 30, 2016 |  | October 31, 2016 |  | 0.65 |  |  | 0.65 |  |
June 30, 2016 |  | July 29, 2016 |  | 0.65 |  |  | 0.65 |  |
March 31, 2016 |  | April 29, 2016 |  | 0.65 |  |  | 0.65 |  |
December 31, 2015 |  | January 28, 2016 |  | 1.90 |  | (1) | 1.90 |  | (1)
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(1) | Includes a special dividend/distribution of $1.25 per share/OP Unit and LTIP Unit.
Schedule Of Changes In Partners Capital Unit [Table Text Block] [Table Text Block] | The following table presents the changes in the issued and outstanding partners’ capital units since January 1, 2014:
|  | General Partner Units |  | Limited Partner Units |  | Total Partners’ Capital Units
Outstanding at December 31, 2013 |  | 1,700,222 |  |  | 151,282,879 |  |  | 152,983,101 |
Units issued to Boston Properties, Inc. related to Common Stock issued under the Employee Stock Purchase Plan |  | 555 |  |  | 6,409 |  |  | 6,964 |
Units issued to Boston Properties, Inc. related to Common Stock issued under the Stock Option and Incentive Plan, net |  | 3,476 |  |  | 40,158 |  |  | 43,634 |
Units issued to Boston Properties, Inc. related to Common Stock issued in exchange for OP Units |  | 6,391 |  |  | 73,855 |  |  | 80,246 |
Outstanding at December 31, 2014 |  | 1,710,644 |  |  | 151,403,301 |  |  | 153,113,945 |
Units issued to Boston Properties, Inc. related to Common Stock issued under the Employee Stock Purchase Plan |  | 59 |  |  | 6,140 |  |  | 6,199 |
Units issued to Boston Properties, Inc. related to Common Stock issued under the Stock Option and Incentive Plan, net |  | 340 |  |  | 35,246 |  |  | 35,586 |
Units issued to Boston Properties, Inc. related to Common Stock issued in exchange for OP Units |  | 4,049 |  |  | 420,187 |  |  | 424,236 |
Outstanding at December 31, 2015 |  | 1,715,092 |  |  | 151,864,874 |  |  | 153,579,966 |
Units issued to Boston Properties, Inc. related to Common Stock issued under the Employee Stock Purchase Plan |  | 72 |  |  | 5,623 |  |  | 5,695 |
Units issued to Boston Properties, Inc. related to Common Stock issued under the Stock Option and Incentive Plan, net |  | 172 |  |  | 13,485 |  |  | 13,657 |
Units issued to Boston Properties, Inc. related to Common Stock issued in exchange for OP Units |  | 2,407 |  |  | 188,450 |  |  | 190,857 |
Outstanding at December 31, 2016 |  | 1,717,743 |  |  | 152,072,432 |  |  | 153,790,175 |
Schedule of changes in Series B Preferred Units [Table Text Block] [Table Text Block] | The following table reflects the activity of the Series B Preferred Units for the years ended December 31, 2016, 2015 and 2014 (in thousands), which activity is included within Boston Properties Limited Partnership’s Consolidated Statements of Partners’ Capital:
Balance at December 31, 2013 | $ | 193,623 |
Net income | 10,500 |
Distributions | (10,500 | )
Balance at December 31, 2014 | 193,623 |
Net income | 10,500 |
Distributions | (10,500 | )
Balance at December 31, 2015 | 193,623 |
Net income | 10,500 |
Distributions | (10,500 | )
Balance at December 31, 2016 | $ | 193,623 |
Series B Preferred Stock [Member] |
Class of Stock [Line Items] |
Dividends Declared [Table Text Block] | The following table presents Boston Properties Inc.’s dividends per share on its outstanding Series B Preferred Stock paid or payable in 2016:
Record Date |  | Payment Date |  | Dividend (Per Share) |
February 3, 2017 |  | February 15, 2017 |  |  | $32.8125 |
November 4, 2016 |  | November 15, 2016 |  | 32.8125 |
August 5, 2016 |  | August 15, 2016 |  | 32.8125 |
May 5, 2016 |  | May 16, 2016 |  | 32.8125 |
February 5, 2016 |  | February 16, 2016 |  | 32.8125 |

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