Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001666134-25-000003-index-headers.html | 2025-02-21 16:07:22 | |
| 0001666134-25-000003-index.html | 2025-02-21 16:07:22 | |
| 0001666134-25-000003.txt | 2025-02-21 16:07:22 | |
 0001666134-25-000003-xbrl.zip | 524955 | 2025-02-21 16:07:22 |
| bl-20241231.htm | 2249715 | 2025-02-21 16:07:22 |
| bl-20241231.xsd | 75018 | 2025-02-21 16:07:22 |
| bl-20241231xex19.htm | 67127 | 2025-02-21 16:07:22 |
| bl-20241231xex211.htm | 13550 | 2025-02-21 16:07:22 |
| bl-20241231xex231.htm | 2072 | 2025-02-21 16:07:22 |
| bl-20241231xex311.htm | 11368 | 2025-02-21 16:07:22 |
| bl-20241231xex312.htm | 11353 | 2025-02-21 16:07:22 |
| bl-20241231xex313.htm | 11349 | 2025-02-21 16:07:22 |
| bl-20241231xex321.htm | 10024 | 2025-02-21 16:07:22 |
| bl-20241231_cal.xml | 148570 | 2025-02-21 16:07:22 |
| bl-20241231_def.xml | 428748 | 2025-02-21 16:07:22 |
 bl-20241231_g1.jpg | 105605 | 2025-02-21 16:07:22 |
| bl-20241231_htm.xml | 1763818 | 2025-02-21 16:07:22 |
| bl-20241231_lab.xml | 1044431 | 2025-02-21 16:07:22 |
| bl-20241231_pre.xml | 753912 | 2025-02-21 16:07:22 |
| FilingSummary.xml | 57947 | 2025-02-21 16:07:22 |
| Financial_Report.xlsx | 170222 | 2025-02-21 16:07:22 |
| MetaLinks.json | 1343379 | 2025-02-21 16:07:22 |
| R1.htm | 66708 | 2025-02-21 16:07:22 |
| R10.htm | 163762 | 2025-02-21 16:07:22 |
| R11.htm | 7607 | 2025-02-21 16:07:22 |
| R12.htm | 77453 | 2025-02-21 16:07:22 |
| R13.htm | 28222 | 2025-02-21 16:07:22 |
| R14.htm | 18588 | 2025-02-21 16:07:22 |
| R15.htm | 52837 | 2025-02-21 16:07:22 |
| R16.htm | 45220 | 2025-02-21 16:07:22 |
| R17.htm | 28733 | 2025-02-21 16:07:22 |
| R18.htm | 68468 | 2025-02-21 16:07:22 |
| R19.htm | 18669 | 2025-02-21 16:07:22 |
| R2.htm | 7792 | 2025-02-21 16:07:22 |
| R20.htm | 44537 | 2025-02-21 16:07:22 |
| R21.htm | 57069 | 2025-02-21 16:07:22 |
| R22.htm | 30465 | 2025-02-21 16:07:22 |
| R23.htm | 75247 | 2025-02-21 16:07:22 |
| R24.htm | 113505 | 2025-02-21 16:07:22 |
| R25.htm | 46029 | 2025-02-21 16:07:22 |
| R26.htm | 6754 | 2025-02-21 16:07:22 |
| R27.htm | 7756 | 2025-02-21 16:07:22 |
| R28.htm | 5833 | 2025-02-21 16:07:22 |
| R29.htm | 5700 | 2025-02-21 16:07:22 |
| R3.htm | 120090 | 2025-02-21 16:07:22 |
| R30.htm | 14675 | 2025-02-21 16:07:22 |
| R31.htm | 26606 | 2025-02-21 16:07:22 |
| R32.htm | 4387 | 2025-02-21 16:07:22 |
| R33.htm | 50492 | 2025-02-21 16:07:22 |
| R34.htm | 149280 | 2025-02-21 16:07:22 |
| R35.htm | 19345 | 2025-02-21 16:07:22 |
| R36.htm | 16176 | 2025-02-21 16:07:22 |
| R37.htm | 43568 | 2025-02-21 16:07:22 |
| R38.htm | 54351 | 2025-02-21 16:07:22 |
| R39.htm | 27489 | 2025-02-21 16:07:22 |
| R4.htm | 17081 | 2025-02-21 16:07:22 |
| R40.htm | 65765 | 2025-02-21 16:07:22 |
| R41.htm | 17572 | 2025-02-21 16:07:22 |
| R42.htm | 61620 | 2025-02-21 16:07:22 |
| R43.htm | 20218 | 2025-02-21 16:07:22 |
| R44.htm | 26382 | 2025-02-21 16:07:22 |
| R45.htm | 71445 | 2025-02-21 16:07:22 |
| R46.htm | 113557 | 2025-02-21 16:07:22 |
| R47.htm | 46704 | 2025-02-21 16:07:22 |
| R48.htm | 110259 | 2025-02-21 16:07:22 |
| R49.htm | 13250 | 2025-02-21 16:07:22 |
| R5.htm | 111027 | 2025-02-21 16:07:22 |
| R50.htm | 15569 | 2025-02-21 16:07:22 |
| R51.htm | 11755 | 2025-02-21 16:07:22 |
| R52.htm | 13080 | 2025-02-21 16:07:22 |
| R53.htm | 34721 | 2025-02-21 16:07:22 |
| R54.htm | 62301 | 2025-02-21 16:07:22 |
| R55.htm | 18352 | 2025-02-21 16:07:22 |
| R56.htm | 23428 | 2025-02-21 16:07:22 |
| R57.htm | 14505 | 2025-02-21 16:07:22 |
| R58.htm | 20604 | 2025-02-21 16:07:22 |
| R59.htm | 9388 | 2025-02-21 16:07:22 |
| R6.htm | 48122 | 2025-02-21 16:07:22 |
| R60.htm | 24341 | 2025-02-21 16:07:22 |
| R61.htm | 24405 | 2025-02-21 16:07:22 |
| R62.htm | 13600 | 2025-02-21 16:07:22 |
| R63.htm | 53017 | 2025-02-21 16:07:22 |
| R64.htm | 14430 | 2025-02-21 16:07:22 |
| R65.htm | 13850 | 2025-02-21 16:07:22 |
| R66.htm | 27437 | 2025-02-21 16:07:22 |
| R67.htm | 7931 | 2025-02-21 16:07:22 |
| R68.htm | 9487 | 2025-02-21 16:07:22 |
| R69.htm | 16216 | 2025-02-21 16:07:22 |
| R7.htm | 5351 | 2025-02-21 16:07:22 |
| R70.htm | 19087 | 2025-02-21 16:07:22 |
| R71.htm | 39460 | 2025-02-21 16:07:22 |
| R72.htm | 80415 | 2025-02-21 16:07:22 |
| R73.htm | 26793 | 2025-02-21 16:07:22 |
| R74.htm | 121148 | 2025-02-21 16:07:22 |
| R75.htm | 38553 | 2025-02-21 16:07:22 |
| R76.htm | 22473 | 2025-02-21 16:07:22 |
| R77.htm | 21563 | 2025-02-21 16:07:22 |
| R78.htm | 16951 | 2025-02-21 16:07:22 |
| R79.htm | 77289 | 2025-02-21 16:07:22 |
| R8.htm | 77001 | 2025-02-21 16:07:22 |
| R80.htm | 30671 | 2025-02-21 16:07:22 |
| R81.htm | 46554 | 2025-02-21 16:07:22 |
| R82.htm | 24762 | 2025-02-21 16:07:22 |
| R83.htm | 14369 | 2025-02-21 16:07:22 |
| R84.htm | 12633 | 2025-02-21 16:07:22 |
| R85.htm | 29126 | 2025-02-21 16:07:22 |
| R86.htm | 41395 | 2025-02-21 16:07:22 |
| R87.htm | 40115 | 2025-02-21 16:07:22 |
| R88.htm | 37278 | 2025-02-21 16:07:22 |
| R89.htm | 8861 | 2025-02-21 16:07:22 |
| R9.htm | 26289 | 2025-02-21 16:07:22 |
| R90.htm | 10485 | 2025-02-21 16:07:22 |
| R91.htm | 53929 | 2025-02-21 16:07:22 |
| R92.htm | 18255 | 2025-02-21 16:07:22 |
| R93.htm | 13190 | 2025-02-21 16:07:22 |
| R94.htm | 11695 | 2025-02-21 16:07:22 |
| R95.htm | 16905 | 2025-02-21 16:07:22 |
| report.css | 2768 | 2025-02-21 16:07:22 |
| Show.js | 1086 | 2025-02-21 16:07:22 |