Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000819050-22-000016-index-headers.html | 2022-03-15 07:43:41 | |
| 0000819050-22-000016-index.html | 2022-03-15 07:43:41 | |
| 0000819050-22-000016.txt | 2022-03-15 07:43:41 | |
 0000819050-22-000016-xbrl.zip | 470291 | 2022-03-15 07:43:41 |
| a2021123110kex211.htm | 4550 | 2022-03-15 07:43:41 |
| a2021123110kex231.htm | 10924 | 2022-03-15 07:43:41 |
| a2021123110kex311.htm | 10109 | 2022-03-15 07:43:41 |
| a2021123110kex312.htm | 9838 | 2022-03-15 07:43:41 |
| a2021123110kex321.htm | 8909 | 2022-03-15 07:43:41 |
| a2021123110kex410.htm | 19483 | 2022-03-15 07:43:41 |
| bbi-20211231.htm | 1661368 | 2022-03-15 07:43:41 |
| bbi-20211231.xsd | 42296 | 2022-03-15 07:43:41 |
| bbi-20211231_cal.xml | 47455 | 2022-03-15 07:43:41 |
| bbi-20211231_def.xml | 230164 | 2022-03-15 07:43:41 |
 bbi-20211231_g1.jpg | 217966 | 2022-03-15 07:43:41 |
| bbi-20211231_htm.xml | 821661 | 2022-03-15 07:43:41 |
| bbi-20211231_lab.xml | 570564 | 2022-03-15 07:43:41 |
| bbi-20211231_pre.xml | 364935 | 2022-03-15 07:43:41 |
| FilingSummary.xml | 29003 | 2022-03-15 07:43:41 |
| Financial_Report.xlsx | 80443 | 2022-03-15 07:43:41 |
| MetaLinks.json | 545140 | 2022-03-15 07:43:41 |
| R1.htm | 63385 | 2022-03-15 07:43:41 |
| R10.htm | 72515 | 2022-03-15 07:43:41 |
| R11.htm | 10085 | 2022-03-15 07:43:41 |
| R12.htm | 49796 | 2022-03-15 07:43:41 |
| R13.htm | 12095 | 2022-03-15 07:43:41 |
| R14.htm | 18491 | 2022-03-15 07:43:41 |
| R15.htm | 5569 | 2022-03-15 07:43:41 |
| R16.htm | 21682 | 2022-03-15 07:43:41 |
| R17.htm | 30793 | 2022-03-15 07:43:41 |
| R18.htm | 54781 | 2022-03-15 07:43:41 |
| R19.htm | 62974 | 2022-03-15 07:43:41 |
| R2.htm | 7866 | 2022-03-15 07:43:41 |
| R20.htm | 62369 | 2022-03-15 07:43:41 |
| R21.htm | 25595 | 2022-03-15 07:43:41 |
| R22.htm | 11728 | 2022-03-15 07:43:41 |
| R23.htm | 20372 | 2022-03-15 07:43:41 |
| R24.htm | 12825 | 2022-03-15 07:43:41 |
| R25.htm | 54461 | 2022-03-15 07:43:41 |
| R26.htm | 54961 | 2022-03-15 07:43:41 |
| R27.htm | 28219 | 2022-03-15 07:43:41 |
| R28.htm | 16496 | 2022-03-15 07:43:41 |
| R29.htm | 6927 | 2022-03-15 07:43:41 |
| R3.htm | 80161 | 2022-03-15 07:43:41 |
| R30.htm | 23253 | 2022-03-15 07:43:41 |
| R31.htm | 12443 | 2022-03-15 07:43:41 |
| R32.htm | 11234 | 2022-03-15 07:43:41 |
| R33.htm | 63037 | 2022-03-15 07:43:41 |
| R34.htm | 12710 | 2022-03-15 07:43:41 |
| R35.htm | 13261 | 2022-03-15 07:43:41 |
| R36.htm | 8165 | 2022-03-15 07:43:41 |
| R37.htm | 13954 | 2022-03-15 07:43:41 |
| R38.htm | 141423 | 2022-03-15 07:43:41 |
| R39.htm | 15791 | 2022-03-15 07:43:41 |
| R4.htm | 11016 | 2022-03-15 07:43:41 |
| R40.htm | 57456 | 2022-03-15 07:43:41 |
| R41.htm | 13226 | 2022-03-15 07:43:41 |
| R42.htm | 57127 | 2022-03-15 07:43:41 |
| R43.htm | 24818 | 2022-03-15 07:43:41 |
| R44.htm | 9916 | 2022-03-15 07:43:41 |
| R45.htm | 22361 | 2022-03-15 07:43:41 |
| R46.htm | 23220 | 2022-03-15 07:43:41 |
| R47.htm | 22381 | 2022-03-15 07:43:41 |
| R48.htm | 63293 | 2022-03-15 07:43:41 |
| R5.htm | 56196 | 2022-03-15 07:43:41 |
| R6.htm | 22659 | 2022-03-15 07:43:41 |
| R7.htm | 5262 | 2022-03-15 07:43:41 |
| R8.htm | 71443 | 2022-03-15 07:43:41 |
| R9.htm | 4996 | 2022-03-15 07:43:41 |
| report.css | 2767 | 2022-03-15 07:43:41 |
| Show.js | 1085 | 2022-03-15 07:43:41 |