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| 0001656423-22-000013-index.html | 2022-02-25 14:38:50 | |
| 0001656423-22-000013.txt | 2022-02-25 14:38:50 | |
 0001656423-22-000013-xbrl.zip | 1331556 | 2022-02-25 14:38:50 |
| bxp-20211231.htm | 9497920 | 2022-02-25 14:38:50 |
| bxp-20211231.xsd | 151963 | 2022-02-25 14:38:50 |
| bxp-20211231ex42.htm | 75956 | 2022-02-25 14:38:50 |
| bxp-20211231_cal.xml | 99709 | 2022-02-25 14:38:50 |
| bxp-20211231_def.xml | 1126356 | 2022-02-25 14:38:50 |
 bxp-20211231_g1.jpg | 65090 | 2022-02-25 14:38:50 |
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| bxp-20211231_htm.xml | 7445581 | 2022-02-25 14:38:50 |
| bxp-20211231_lab.xml | 1540332 | 2022-02-25 14:38:50 |
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| bxpbplp-20211231ex231.htm | 2933 | 2022-02-25 14:38:50 |
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| FilingSummary.xml | 57531 | 2022-02-25 14:38:50 |
| Financial_Report.xlsx | 254716 | 2022-02-25 14:38:50 |
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| R1.htm | 78106 | 2022-02-25 14:38:50 |
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| report.css | 2768 | 2022-02-25 14:38:50 |
| Show.js | 1086 | 2022-02-25 14:38:50 |