Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000907254-25-000047-index-headers.html | 2025-05-08 16:20:58 | |
| 0000907254-25-000047-index.html | 2025-05-08 16:20:58 | |
| 0000907254-25-000047.txt | 2025-05-08 16:20:58 | |
 0000907254-25-000047-xbrl.zip | 230351 | 2025-05-08 16:20:58 |
| bfs-03312025xex31.htm | 20782 | 2025-05-08 16:20:58 |
| bfs-03312025xex32.htm | 11607 | 2025-05-08 16:20:58 |
| bfs-03312025xex99a.htm | 244131 | 2025-05-08 16:20:58 |
| bfs-20250331.htm | 1107958 | 2025-05-08 16:20:58 |
| bfs-20250331.xsd | 49821 | 2025-05-08 16:20:58 |
| bfs-20250331_cal.xml | 62965 | 2025-05-08 16:20:58 |
| bfs-20250331_def.xml | 298758 | 2025-05-08 16:20:58 |
| bfs-20250331_htm.xml | 566518 | 2025-05-08 16:20:58 |
| bfs-20250331_lab.xml | 654429 | 2025-05-08 16:20:58 |
| bfs-20250331_pre.xml | 444962 | 2025-05-08 16:20:58 |
| FilingSummary.xml | 32238 | 2025-05-08 16:20:58 |
| Financial_Report.xlsx | 79845 | 2025-05-08 16:20:58 |
| MetaLinks.json | 836074 | 2025-05-08 16:20:58 |
| R1.htm | 59039 | 2025-05-08 16:20:58 |
| R10.htm | 8994 | 2025-05-08 16:20:58 |
| R11.htm | 22113 | 2025-05-08 16:20:58 |
| R12.htm | 7698 | 2025-05-08 16:20:58 |
| R13.htm | 38660 | 2025-05-08 16:20:58 |
| R14.htm | 23223 | 2025-05-08 16:20:58 |
| R15.htm | 13665 | 2025-05-08 16:20:58 |
| R16.htm | 38804 | 2025-05-08 16:20:58 |
| R17.htm | 9869 | 2025-05-08 16:20:58 |
| R18.htm | 22204 | 2025-05-08 16:20:58 |
| R19.htm | 6840 | 2025-05-08 16:20:58 |
| R2.htm | 120697 | 2025-05-08 16:20:58 |
| R20.htm | 67999 | 2025-05-08 16:20:58 |
| R21.htm | 5046 | 2025-05-08 16:20:58 |
| R22.htm | 14513 | 2025-05-08 16:20:58 |
| R23.htm | 8465 | 2025-05-08 16:20:58 |
| R24.htm | 29363 | 2025-05-08 16:20:58 |
| R25.htm | 14060 | 2025-05-08 16:20:58 |
| R26.htm | 27380 | 2025-05-08 16:20:58 |
| R27.htm | 14832 | 2025-05-08 16:20:58 |
| R28.htm | 29892 | 2025-05-08 16:20:58 |
| R29.htm | 20096 | 2025-05-08 16:20:58 |
| R3.htm | 21989 | 2025-05-08 16:20:58 |
| R30.htm | 59590 | 2025-05-08 16:20:58 |
| R31.htm | 28167 | 2025-05-08 16:20:58 |
| R32.htm | 15660 | 2025-05-08 16:20:58 |
| R33.htm | 41976 | 2025-05-08 16:20:58 |
| R34.htm | 24137 | 2025-05-08 16:20:58 |
| R35.htm | 95141 | 2025-05-08 16:20:58 |
| R36.htm | 31917 | 2025-05-08 16:20:58 |
| R37.htm | 19751 | 2025-05-08 16:20:58 |
| R38.htm | 28451 | 2025-05-08 16:20:58 |
| R39.htm | 23396 | 2025-05-08 16:20:58 |
| R4.htm | 79922 | 2025-05-08 16:20:58 |
| R40.htm | 29445 | 2025-05-08 16:20:58 |
| R41.htm | 66100 | 2025-05-08 16:20:58 |
| R42.htm | 39866 | 2025-05-08 16:20:58 |
| R43.htm | 42419 | 2025-05-08 16:20:58 |
| R44.htm | 8278 | 2025-05-08 16:20:58 |
| R45.htm | 18282 | 2025-05-08 16:20:58 |
| R46.htm | 8339 | 2025-05-08 16:20:58 |
| R47.htm | 8532 | 2025-05-08 16:20:58 |
| R48.htm | 4853 | 2025-05-08 16:20:58 |
| R49.htm | 69364 | 2025-05-08 16:20:58 |
| R5.htm | 34202 | 2025-05-08 16:20:58 |
| R6.htm | 91648 | 2025-05-08 16:20:58 |
| R7.htm | 20360 | 2025-05-08 16:20:58 |
| R8.htm | 90148 | 2025-05-08 16:20:58 |
| R9.htm | 11328 | 2025-05-08 16:20:58 |
| report.css | 2767 | 2025-05-08 16:20:58 |
| Show.js | 1085 | 2025-05-08 16:20:58 |