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| 0001336047-23-000011-index.html | 2023-05-01 07:22:43 | |
| 0001336047-23-000011.txt | 2023-05-01 07:22:43 | |
 0001336047-23-000011-xbrl.zip | 139471 | 2023-05-01 07:22:43 |
| bwp-20230331.htm | 650511 | 2023-05-01 07:22:43 |
| bwp-20230331.xsd | 26609 | 2023-05-01 07:22:43 |
| bwp-20230331_cal.xml | 54626 | 2023-05-01 07:22:43 |
| bwp-20230331_def.xml | 142903 | 2023-05-01 07:22:43 |
| bwp-20230331_htm.xml | 507282 | 2023-05-01 07:22:43 |
| bwp-20230331_lab.xml | 337106 | 2023-05-01 07:22:43 |
| bwp-20230331_pre.xml | 194873 | 2023-05-01 07:22:43 |
| bwp2023q110qex221.htm | 6000 | 2023-05-01 07:22:43 |
| bwp2023q110qex311.htm | 11495 | 2023-05-01 07:22:43 |
| bwp2023q110qex312.htm | 11313 | 2023-05-01 07:22:43 |
| bwp2023q110qex321.htm | 4166 | 2023-05-01 07:22:43 |
| bwp2023q110qex322.htm | 4225 | 2023-05-01 07:22:43 |
| FilingSummary.xml | 22521 | 2023-05-01 07:22:43 |
| Financial_Report.xlsx | 48619 | 2023-05-01 07:22:43 |
| MetaLinks.json | 425467 | 2023-05-01 07:22:43 |
| R1.htm | 46894 | 2023-05-01 07:22:43 |
| R10.htm | 36438 | 2023-05-01 07:22:43 |
| R11.htm | 7664 | 2023-05-01 07:22:43 |
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| R18.htm | 4945 | 2023-05-01 07:22:43 |
| R19.htm | 48687 | 2023-05-01 07:22:43 |
| R2.htm | 119663 | 2023-05-01 07:22:43 |
| R20.htm | 32860 | 2023-05-01 07:22:43 |
| R21.htm | 25384 | 2023-05-01 07:22:43 |
| R22.htm | 10097 | 2023-05-01 07:22:43 |
| R23.htm | 4199 | 2023-05-01 07:22:43 |
| R24.htm | 29893 | 2023-05-01 07:22:43 |
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| R27.htm | 9424 | 2023-05-01 07:22:43 |
| R28.htm | 36044 | 2023-05-01 07:22:43 |
| R29.htm | 9280 | 2023-05-01 07:22:43 |
| R3.htm | 63787 | 2023-05-01 07:22:43 |
| R30.htm | 5258 | 2023-05-01 07:22:43 |
| R31.htm | 5151 | 2023-05-01 07:22:43 |
| R32.htm | 22020 | 2023-05-01 07:22:43 |
| R33.htm | 37755 | 2023-05-01 07:22:43 |
| R34.htm | 4595 | 2023-05-01 07:22:43 |
| R35.htm | 9113 | 2023-05-01 07:22:43 |
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| R6.htm | 23928 | 2023-05-01 07:22:43 |
| R7.htm | 7398 | 2023-05-01 07:22:43 |
| R8.htm | 50917 | 2023-05-01 07:22:43 |
| R9.htm | 6490 | 2023-05-01 07:22:43 |
| report.css | 2767 | 2023-05-01 07:22:43 |
| Show.js | 1085 | 2023-05-01 07:22:43 |