Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-22-019132-index-headers.html | 2022-08-05 15:18:47 | |
| 0001437749-22-019132-index.html | 2022-08-05 15:18:47 | |
| 0001437749-22-019132.txt | 2022-08-05 15:18:47 | |
 0001437749-22-019132-xbrl.zip | 160589 | 2022-08-05 15:18:47 |
| belfa-20220630.xsd | 57049 | 2022-08-05 15:18:47 |
| belfa-20220630_cal.xml | 52663 | 2022-08-05 15:18:47 |
| belfa-20220630_def.xml | 396499 | 2022-08-05 15:18:47 |
| belfa-20220630_lab.xml | 313513 | 2022-08-05 15:18:47 |
| belfa-20220630_pre.xml | 428298 | 2022-08-05 15:18:47 |
| belfb20220630_10q.htm | 1454520 | 2022-08-05 15:18:47 |
| belfb20220630_10q_htm.xml | 1357463 | 2022-08-05 15:18:47 |
| ex_390752.htm | 14141 | 2022-08-05 15:18:47 |
| ex_390753.htm | 14581 | 2022-08-05 15:18:47 |
| ex_390754.htm | 4929 | 2022-08-05 15:18:47 |
| ex_390755.htm | 4947 | 2022-08-05 15:18:47 |
| FilingSummary.xml | 42965 | 2022-08-05 15:18:47 |
| Financial_Report.xlsx | 84825 | 2022-08-05 15:18:47 |
| MetaLinks.json | 650275 | 2022-08-05 15:18:47 |
| R1.htm | 56997 | 2022-08-05 15:18:47 |
| R10.htm | 14640 | 2022-08-05 15:18:47 |
| R11.htm | 21308 | 2022-08-05 15:18:47 |
| R12.htm | 95480 | 2022-08-05 15:18:47 |
| R13.htm | 52033 | 2022-08-05 15:18:47 |
| R14.htm | 15732 | 2022-08-05 15:18:47 |
| R15.htm | 13454 | 2022-08-05 15:18:47 |
| R16.htm | 19963 | 2022-08-05 15:18:47 |
| R17.htm | 16716 | 2022-08-05 15:18:47 |
| R18.htm | 63566 | 2022-08-05 15:18:47 |
| R19.htm | 13326 | 2022-08-05 15:18:47 |
| R2.htm | 124543 | 2022-08-05 15:18:47 |
| R20.htm | 11098 | 2022-08-05 15:18:47 |
| R21.htm | 34182 | 2022-08-05 15:18:47 |
| R22.htm | 47230 | 2022-08-05 15:18:47 |
| R23.htm | 10206 | 2022-08-05 15:18:47 |
| R24.htm | 63683 | 2022-08-05 15:18:47 |
| R25.htm | 6225 | 2022-08-05 15:18:47 |
| R26.htm | 10011 | 2022-08-05 15:18:47 |
| R27.htm | 12999 | 2022-08-05 15:18:47 |
| R28.htm | 90876 | 2022-08-05 15:18:47 |
| R29.htm | 50295 | 2022-08-05 15:18:47 |
| R3.htm | 25147 | 2022-08-05 15:18:47 |
| R30.htm | 13458 | 2022-08-05 15:18:47 |
| R31.htm | 16549 | 2022-08-05 15:18:47 |
| R32.htm | 14573 | 2022-08-05 15:18:47 |
| R33.htm | 59128 | 2022-08-05 15:18:47 |
| R34.htm | 26291 | 2022-08-05 15:18:47 |
| R35.htm | 45935 | 2022-08-05 15:18:47 |
| R36.htm | 59017 | 2022-08-05 15:18:47 |
| R37.htm | 25917 | 2022-08-05 15:18:47 |
| R38.htm | 11542 | 2022-08-05 15:18:47 |
| R39.htm | 2874 | 2022-08-05 15:18:47 |
| R4.htm | 74589 | 2022-08-05 15:18:47 |
| R40.htm | 8711 | 2022-08-05 15:18:47 |
| R41.htm | 34429 | 2022-08-05 15:18:47 |
| R42.htm | 6205 | 2022-08-05 15:18:47 |
| R43.htm | 33943 | 2022-08-05 15:18:47 |
| R44.htm | 20664 | 2022-08-05 15:18:47 |
| R45.htm | 10676 | 2022-08-05 15:18:47 |
| R46.htm | 5737 | 2022-08-05 15:18:47 |
| R47.htm | 15664 | 2022-08-05 15:18:47 |
| R48.htm | 14384 | 2022-08-05 15:18:47 |
| R49.htm | 10149 | 2022-08-05 15:18:47 |
| R5.htm | 32590 | 2022-08-05 15:18:47 |
| R50.htm | 21527 | 2022-08-05 15:18:47 |
| R51.htm | 11135 | 2022-08-05 15:18:47 |
| R52.htm | 6621 | 2022-08-05 15:18:47 |
| R53.htm | 41237 | 2022-08-05 15:18:47 |
| R54.htm | 9837 | 2022-08-05 15:18:47 |
| R55.htm | 23524 | 2022-08-05 15:18:47 |
| R56.htm | 14857 | 2022-08-05 15:18:47 |
| R57.htm | 9798 | 2022-08-05 15:18:47 |
| R58.htm | 16249 | 2022-08-05 15:18:47 |
| R59.htm | 8777 | 2022-08-05 15:18:47 |
| R6.htm | 11848 | 2022-08-05 15:18:47 |
| R60.htm | 34307 | 2022-08-05 15:18:47 |
| R61.htm | 4698 | 2022-08-05 15:18:47 |
| R62.htm | 7029 | 2022-08-05 15:18:47 |
| R63.htm | 25864 | 2022-08-05 15:18:47 |
| R64.htm | 12704 | 2022-08-05 15:18:47 |
| R7.htm | 112936 | 2022-08-05 15:18:47 |
| R8.htm | 14799 | 2022-08-05 15:18:47 |
| R9.htm | 100378 | 2022-08-05 15:18:47 |
| report.css | 2767 | 2022-08-05 15:18:47 |
| Show.js | 1085 | 2022-08-05 15:18:47 |