Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-22-005995-index-headers.html | 2022-03-14 09:35:28 | |
| 0001628280-22-005995-index.html | 2022-03-14 09:35:28 | |
| 0001628280-22-005995.txt | 2022-03-14 09:35:28 | |
 0001628280-22-005995-xbrl.zip | 544786 | 2022-03-14 09:35:28 |
| a311cert-sox302ceox10k2021.htm | 8893 | 2022-03-14 09:35:28 |
| a312cert-sox302cfox10k2021.htm | 8920 | 2022-03-14 09:35:28 |
| a321cert-sox906ceocfox2021.htm | 8663 | 2022-03-14 09:35:28 |
| blue-20211231.htm | 3911950 | 2022-03-14 09:35:28 |
| blue-20211231.xsd | 74668 | 2022-03-14 09:35:28 |
| blue-20211231_cal.xml | 179957 | 2022-03-14 09:35:28 |
| blue-20211231_def.xml | 415253 | 2022-03-14 09:35:28 |
| blue-20211231_htm.xml | 3776112 | 2022-03-14 09:35:28 |
| blue-20211231_lab.xml | 1054303 | 2022-03-14 09:35:28 |
| blue-20211231_pre.xml | 776140 | 2022-03-14 09:35:28 |
| exhibit42-202110xk.htm | 12843 | 2022-03-14 09:35:28 |
| FilingSummary.xml | 63191 | 2022-03-14 09:35:28 |
| Financial_Report.xlsx | 161507 | 2022-03-14 09:35:28 |
| MetaLinks.json | 1101839 | 2022-03-14 09:35:28 |
| R1.htm | 62903 | 2022-03-14 09:35:28 |
| R10.htm | 54812 | 2022-03-14 09:35:28 |
| R100.htm | 62872 | 2022-03-14 09:35:28 |
| R101.htm | 63554 | 2022-03-14 09:35:28 |
| R11.htm | 132943 | 2022-03-14 09:35:28 |
| R12.htm | 390208 | 2022-03-14 09:35:28 |
| R13.htm | 19554 | 2022-03-14 09:35:28 |
| R14.htm | 16267 | 2022-03-14 09:35:28 |
| R15.htm | 23675 | 2022-03-14 09:35:28 |
| R16.htm | 19440 | 2022-03-14 09:35:28 |
| R17.htm | 16942 | 2022-03-14 09:35:28 |
| R18.htm | 96083 | 2022-03-14 09:35:28 |
| R19.htm | 10994 | 2022-03-14 09:35:28 |
| R2.htm | 7866 | 2022-03-14 09:35:28 |
| R20.htm | 78901 | 2022-03-14 09:35:28 |
| R21.htm | 23916 | 2022-03-14 09:35:28 |
| R22.htm | 49830 | 2022-03-14 09:35:28 |
| R23.htm | 109447 | 2022-03-14 09:35:28 |
| R24.htm | 22172 | 2022-03-14 09:35:28 |
| R25.htm | 18793 | 2022-03-14 09:35:28 |
| R26.htm | 12465 | 2022-03-14 09:35:28 |
| R27.htm | 50661 | 2022-03-14 09:35:28 |
| R28.htm | 75326 | 2022-03-14 09:35:28 |
| R29.htm | 5201 | 2022-03-14 09:35:28 |
| R3.htm | 85238 | 2022-03-14 09:35:28 |
| R30.htm | 100869 | 2022-03-14 09:35:28 |
| R31.htm | 135415 | 2022-03-14 09:35:28 |
| R32.htm | 388443 | 2022-03-14 09:35:28 |
| R33.htm | 20894 | 2022-03-14 09:35:28 |
| R34.htm | 15348 | 2022-03-14 09:35:28 |
| R35.htm | 26096 | 2022-03-14 09:35:28 |
| R36.htm | 21416 | 2022-03-14 09:35:28 |
| R37.htm | 14710 | 2022-03-14 09:35:28 |
| R38.htm | 97490 | 2022-03-14 09:35:28 |
| R39.htm | 8749 | 2022-03-14 09:35:28 |
| R4.htm | 19166 | 2022-03-14 09:35:28 |
| R40.htm | 77350 | 2022-03-14 09:35:28 |
| R41.htm | 25484 | 2022-03-14 09:35:28 |
| R42.htm | 50652 | 2022-03-14 09:35:28 |
| R43.htm | 101206 | 2022-03-14 09:35:28 |
| R44.htm | 19128 | 2022-03-14 09:35:28 |
| R45.htm | 12603 | 2022-03-14 09:35:28 |
| R46.htm | 10158 | 2022-03-14 09:35:28 |
| R47.htm | 46586 | 2022-03-14 09:35:28 |
| R48.htm | 77716 | 2022-03-14 09:35:28 |
| R49.htm | 35728 | 2022-03-14 09:35:28 |
| R5.htm | 107943 | 2022-03-14 09:35:28 |
| R50.htm | 34468 | 2022-03-14 09:35:28 |
| R51.htm | 22355 | 2022-03-14 09:35:28 |
| R52.htm | 40312 | 2022-03-14 09:35:28 |
| R53.htm | 60127 | 2022-03-14 09:35:28 |
| R54.htm | 42731 | 2022-03-14 09:35:28 |
| R55.htm | 44896 | 2022-03-14 09:35:28 |
| R56.htm | 51326 | 2022-03-14 09:35:28 |
| R57.htm | 62350 | 2022-03-14 09:35:28 |
| R58.htm | 89375 | 2022-03-14 09:35:28 |
| R59.htm | 8585 | 2022-03-14 09:35:28 |
| R6.htm | 59223 | 2022-03-14 09:35:28 |
| R60.htm | 28523 | 2022-03-14 09:35:28 |
| R61.htm | 68858 | 2022-03-14 09:35:28 |
| R62.htm | 68589 | 2022-03-14 09:35:28 |
| R63.htm | 11153 | 2022-03-14 09:35:28 |
| R64.htm | 9984 | 2022-03-14 09:35:28 |
| R65.htm | 23869 | 2022-03-14 09:35:28 |
| R66.htm | 15255 | 2022-03-14 09:35:28 |
| R67.htm | 6165 | 2022-03-14 09:35:28 |
| R68.htm | 11488 | 2022-03-14 09:35:28 |
| R69.htm | 20972 | 2022-03-14 09:35:28 |
| R7.htm | 37348 | 2022-03-14 09:35:28 |
| R70.htm | 12116 | 2022-03-14 09:35:28 |
| R71.htm | 14870 | 2022-03-14 09:35:28 |
| R72.htm | 6337 | 2022-03-14 09:35:28 |
| R73.htm | 14191 | 2022-03-14 09:35:28 |
| R74.htm | 39700 | 2022-03-14 09:35:28 |
| R75.htm | 14817 | 2022-03-14 09:35:28 |
| R76.htm | 44153 | 2022-03-14 09:35:28 |
| R77.htm | 14638 | 2022-03-14 09:35:28 |
| R78.htm | 19559 | 2022-03-14 09:35:28 |
| R79.htm | 24670 | 2022-03-14 09:35:28 |
| R8.htm | 8695 | 2022-03-14 09:35:28 |
| R80.htm | 19162 | 2022-03-14 09:35:28 |
| R81.htm | 12464 | 2022-03-14 09:35:28 |
| R82.htm | 10767 | 2022-03-14 09:35:28 |
| R83.htm | 28275 | 2022-03-14 09:35:28 |
| R84.htm | 27693 | 2022-03-14 09:35:28 |
| R85.htm | 51364 | 2022-03-14 09:35:28 |
| R86.htm | 22894 | 2022-03-14 09:35:28 |
| R87.htm | 17991 | 2022-03-14 09:35:28 |
| R88.htm | 20504 | 2022-03-14 09:35:28 |
| R89.htm | 7567 | 2022-03-14 09:35:28 |
| R9.htm | 132437 | 2022-03-14 09:35:28 |
| R90.htm | 33744 | 2022-03-14 09:35:28 |
| R91.htm | 35401 | 2022-03-14 09:35:28 |
| R92.htm | 96617 | 2022-03-14 09:35:28 |
| R93.htm | 10635 | 2022-03-14 09:35:28 |
| R94.htm | 25805 | 2022-03-14 09:35:28 |
| R95.htm | 21584 | 2022-03-14 09:35:28 |
| R96.htm | 19826 | 2022-03-14 09:35:28 |
| R97.htm | 41913 | 2022-03-14 09:35:28 |
| R98.htm | 76832 | 2022-03-14 09:35:28 |
| R99.htm | 42640 | 2022-03-14 09:35:28 |
| report.css | 2768 | 2022-03-14 09:35:28 |
| Show.js | 1086 | 2022-03-14 09:35:28 |