Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000790816-24-000022-index-headers.html | 2024-04-24 13:54:42 | |
| 0000790816-24-000022-index.html | 2024-04-24 13:54:42 | |
| 0000790816-24-000022.txt | 2024-04-24 13:54:42 | |
 0000790816-24-000022-xbrl.zip | 360750 | 2024-04-24 13:54:42 |
| bdn-20240331.htm | 1807901 | 2024-04-24 13:54:42 |
| bdn-20240331.xsd | 76769 | 2024-04-24 13:54:42 |
| bdn-20240331_cal.xml | 108251 | 2024-04-24 13:54:42 |
| bdn-20240331_def.xml | 510467 | 2024-04-24 13:54:42 |
| bdn-20240331_htm.xml | 1235125 | 2024-04-24 13:54:42 |
| bdn-20240331_lab.xml | 816024 | 2024-04-24 13:54:42 |
| bdn-20240331_pre.xml | 736632 | 2024-04-24 13:54:42 |
| bdn-x2024oprsuawardformout.htm | 99305 | 2024-04-24 13:54:42 |
| bdn-x2024prsuawardformex101.htm | 97619 | 2024-04-24 13:54:42 |
| bdnex311q12024.htm | 9783 | 2024-04-24 13:54:42 |
| bdnex312q12024.htm | 9787 | 2024-04-24 13:54:42 |
| bdnex313q12024.htm | 10119 | 2024-04-24 13:54:42 |
| bdnex314q12024.htm | 10088 | 2024-04-24 13:54:42 |
| bdnex321q12024.htm | 4924 | 2024-04-24 13:54:42 |
| bdnex322q12024.htm | 4948 | 2024-04-24 13:54:42 |
| bdnex323q12024.htm | 5235 | 2024-04-24 13:54:42 |
| bdnex324q12024.htm | 5259 | 2024-04-24 13:54:42 |
| FilingSummary.xml | 51677 | 2024-04-24 13:54:42 |
| Financial_Report.xlsx | 131817 | 2024-04-24 13:54:42 |
| MetaLinks.json | 993779 | 2024-04-24 13:54:42 |
| R1.htm | 58522 | 2024-04-24 13:54:42 |
| R10.htm | 118501 | 2024-04-24 13:54:42 |
| R11.htm | 18112 | 2024-04-24 13:54:42 |
| R12.htm | 115523 | 2024-04-24 13:54:42 |
| R13.htm | 38599 | 2024-04-24 13:54:42 |
| R14.htm | 48766 | 2024-04-24 13:54:42 |
| R15.htm | 5395 | 2024-04-24 13:54:42 |
| R16.htm | 150213 | 2024-04-24 13:54:42 |
| R17.htm | 4801 | 2024-04-24 13:54:42 |
| R18.htm | 17792 | 2024-04-24 13:54:42 |
| R19.htm | 10467 | 2024-04-24 13:54:42 |
| R2.htm | 129743 | 2024-04-24 13:54:42 |
| R20.htm | 12496 | 2024-04-24 13:54:42 |
| R21.htm | 42442 | 2024-04-24 13:54:42 |
| R22.htm | 22352 | 2024-04-24 13:54:42 |
| R23.htm | 44652 | 2024-04-24 13:54:42 |
| R24.htm | 66048 | 2024-04-24 13:54:42 |
| R25.htm | 23202 | 2024-04-24 13:54:42 |
| R26.htm | 32492 | 2024-04-24 13:54:42 |
| R27.htm | 6899 | 2024-04-24 13:54:42 |
| R28.htm | 28281 | 2024-04-24 13:54:42 |
| R29.htm | 29469 | 2024-04-24 13:54:42 |
| R3.htm | 15429 | 2024-04-24 13:54:42 |
| R30.htm | 46166 | 2024-04-24 13:54:42 |
| R31.htm | 91742 | 2024-04-24 13:54:42 |
| R32.htm | 14150 | 2024-04-24 13:54:42 |
| R33.htm | 15083 | 2024-04-24 13:54:42 |
| R34.htm | 8483 | 2024-04-24 13:54:42 |
| R35.htm | 14838 | 2024-04-24 13:54:42 |
| R36.htm | 13119 | 2024-04-24 13:54:42 |
| R37.htm | 11302 | 2024-04-24 13:54:42 |
| R38.htm | 32346 | 2024-04-24 13:54:42 |
| R39.htm | 12175 | 2024-04-24 13:54:42 |
| R4.htm | 113813 | 2024-04-24 13:54:42 |
| R40.htm | 46261 | 2024-04-24 13:54:42 |
| R41.htm | 59348 | 2024-04-24 13:54:42 |
| R42.htm | 15392 | 2024-04-24 13:54:42 |
| R43.htm | 30474 | 2024-04-24 13:54:42 |
| R44.htm | 48061 | 2024-04-24 13:54:42 |
| R45.htm | 48056 | 2024-04-24 13:54:42 |
| R46.htm | 35461 | 2024-04-24 13:54:42 |
| R47.htm | 87648 | 2024-04-24 13:54:42 |
| R48.htm | 30078 | 2024-04-24 13:54:42 |
| R49.htm | 16753 | 2024-04-24 13:54:42 |
| R5.htm | 36092 | 2024-04-24 13:54:42 |
| R50.htm | 11891 | 2024-04-24 13:54:42 |
| R51.htm | 55607 | 2024-04-24 13:54:42 |
| R52.htm | 34488 | 2024-04-24 13:54:42 |
| R53.htm | 43400 | 2024-04-24 13:54:42 |
| R54.htm | 17712 | 2024-04-24 13:54:42 |
| R55.htm | 33276 | 2024-04-24 13:54:42 |
| R56.htm | 24944 | 2024-04-24 13:54:42 |
| R57.htm | 27303 | 2024-04-24 13:54:42 |
| R58.htm | 9301 | 2024-04-24 13:54:42 |
| R59.htm | 23585 | 2024-04-24 13:54:42 |
| R6.htm | 63479 | 2024-04-24 13:54:42 |
| R60.htm | 31277 | 2024-04-24 13:54:42 |
| R61.htm | 110907 | 2024-04-24 13:54:42 |
| R62.htm | 45129 | 2024-04-24 13:54:42 |
| R63.htm | 28725 | 2024-04-24 13:54:42 |
| R64.htm | 29432 | 2024-04-24 13:54:42 |
| R65.htm | 19410 | 2024-04-24 13:54:42 |
| R66.htm | 5942 | 2024-04-24 13:54:42 |
| R67.htm | 55978 | 2024-04-24 13:54:42 |
| R68.htm | 25695 | 2024-04-24 13:54:42 |
| R69.htm | 51318 | 2024-04-24 13:54:42 |
| R7.htm | 4626 | 2024-04-24 13:54:42 |
| R70.htm | 32486 | 2024-04-24 13:54:42 |
| R71.htm | 95246 | 2024-04-24 13:54:42 |
| R72.htm | 25289 | 2024-04-24 13:54:42 |
| R73.htm | 34798 | 2024-04-24 13:54:42 |
| R74.htm | 4315 | 2024-04-24 13:54:42 |
| R75.htm | 25684 | 2024-04-24 13:54:42 |
| R76.htm | 33951 | 2024-04-24 13:54:42 |
| R77.htm | 21023 | 2024-04-24 13:54:42 |
| R78.htm | 46953 | 2024-04-24 13:54:42 |
| R79.htm | 38087 | 2024-04-24 13:54:42 |
| R8.htm | 129042 | 2024-04-24 13:54:42 |
| R9.htm | 4594 | 2024-04-24 13:54:42 |
| report.css | 2767 | 2024-04-24 13:54:42 |
| Show.js | 1085 | 2024-04-24 13:54:42 |