Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-21-023376-index-headers.html | 2021-11-15 16:15:43 | |
| 0001628280-21-023376-index.html | 2021-11-15 16:15:43 | |
| 0001628280-21-023376.txt | 2021-11-15 16:15:43 | |
 0001628280-21-023376-xbrl.zip | 427331 | 2021-11-15 16:15:43 |
| FilingSummary.xml | 43275 | 2021-11-15 16:15:43 |
| Financial_Report.xlsx | 112007 | 2021-11-15 16:15:43 |
| MetaLinks.json | 817572 | 2021-11-15 16:15:43 |
| mile-20210930.htm | 2050643 | 2021-11-15 16:15:43 |
| mile-20210930.xsd | 73831 | 2021-11-15 16:15:43 |
| mile-20210930xexx311.htm | 9562 | 2021-11-15 16:15:43 |
| mile-20210930xexx312.htm | 9568 | 2021-11-15 16:15:43 |
| mile-20210930xexx321.htm | 6956 | 2021-11-15 16:15:43 |
| mile-20210930_cal.xml | 97102 | 2021-11-15 16:15:43 |
| mile-20210930_def.xml | 286885 | 2021-11-15 16:15:43 |
 mile-20210930_g1.jpg | 78224 | 2021-11-15 16:15:43 |
| mile-20210930_htm.xml | 1651540 | 2021-11-15 16:15:43 |
| mile-20210930_lab.xml | 862991 | 2021-11-15 16:15:43 |
| mile-20210930_pre.xml | 522958 | 2021-11-15 16:15:43 |
| R1.htm | 58398 | 2021-11-15 16:15:43 |
| R10.htm | 47831 | 2021-11-15 16:15:43 |
| R11.htm | 18433 | 2021-11-15 16:15:43 |
| R12.htm | 12270 | 2021-11-15 16:15:43 |
| R13.htm | 4876 | 2021-11-15 16:15:43 |
| R14.htm | 26498 | 2021-11-15 16:15:43 |
| R15.htm | 37525 | 2021-11-15 16:15:43 |
| R16.htm | 23871 | 2021-11-15 16:15:43 |
| R17.htm | 21604 | 2021-11-15 16:15:43 |
| R18.htm | 10026 | 2021-11-15 16:15:43 |
| R19.htm | 7623 | 2021-11-15 16:15:43 |
| R2.htm | 113456 | 2021-11-15 16:15:43 |
| R20.htm | 65306 | 2021-11-15 16:15:43 |
| R21.htm | 7154 | 2021-11-15 16:15:43 |
| R22.htm | 79405 | 2021-11-15 16:15:43 |
| R23.htm | 26440 | 2021-11-15 16:15:43 |
| R24.htm | 8001 | 2021-11-15 16:15:43 |
| R25.htm | 11983 | 2021-11-15 16:15:43 |
| R26.htm | 26318 | 2021-11-15 16:15:43 |
| R27.htm | 87918 | 2021-11-15 16:15:43 |
| R28.htm | 46560 | 2021-11-15 16:15:43 |
| R29.htm | 18384 | 2021-11-15 16:15:43 |
| R3.htm | 23515 | 2021-11-15 16:15:43 |
| R30.htm | 12493 | 2021-11-15 16:15:43 |
| R31.htm | 23914 | 2021-11-15 16:15:43 |
| R32.htm | 30202 | 2021-11-15 16:15:43 |
| R33.htm | 13208 | 2021-11-15 16:15:43 |
| R34.htm | 19401 | 2021-11-15 16:15:43 |
| R35.htm | 61749 | 2021-11-15 16:15:43 |
| R36.htm | 76305 | 2021-11-15 16:15:43 |
| R37.htm | 27573 | 2021-11-15 16:15:43 |
| R38.htm | 83021 | 2021-11-15 16:15:43 |
| R39.htm | 58529 | 2021-11-15 16:15:43 |
| R4.htm | 89210 | 2021-11-15 16:15:43 |
| R40.htm | 16239 | 2021-11-15 16:15:43 |
| R41.htm | 16424 | 2021-11-15 16:15:43 |
| R42.htm | 3983 | 2021-11-15 16:15:43 |
| R43.htm | 24435 | 2021-11-15 16:15:43 |
| R44.htm | 14341 | 2021-11-15 16:15:43 |
| R45.htm | 16456 | 2021-11-15 16:15:43 |
| R46.htm | 19085 | 2021-11-15 16:15:43 |
| R47.htm | 16168 | 2021-11-15 16:15:43 |
| R48.htm | 16490 | 2021-11-15 16:15:43 |
| R49.htm | 31179 | 2021-11-15 16:15:43 |
| R5.htm | 21573 | 2021-11-15 16:15:43 |
| R50.htm | 17947 | 2021-11-15 16:15:43 |
| R51.htm | 41177 | 2021-11-15 16:15:43 |
| R52.htm | 17991 | 2021-11-15 16:15:43 |
| R53.htm | 61894 | 2021-11-15 16:15:43 |
| R54.htm | 51406 | 2021-11-15 16:15:43 |
| R55.htm | 12955 | 2021-11-15 16:15:43 |
| R56.htm | 26194 | 2021-11-15 16:15:43 |
| R57.htm | 45401 | 2021-11-15 16:15:43 |
| R58.htm | 23806 | 2021-11-15 16:15:43 |
| R59.htm | 34163 | 2021-11-15 16:15:43 |
| R6.htm | 115038 | 2021-11-15 16:15:43 |
| R60.htm | 47516 | 2021-11-15 16:15:43 |
| R61.htm | 15485 | 2021-11-15 16:15:43 |
| R62.htm | 4399 | 2021-11-15 16:15:43 |
| R63.htm | 37448 | 2021-11-15 16:15:43 |
| R64.htm | 19198 | 2021-11-15 16:15:43 |
| R65.htm | 19537 | 2021-11-15 16:15:43 |
| R66.htm | 23814 | 2021-11-15 16:15:43 |
| R67.htm | 3915 | 2021-11-15 16:15:43 |
| R68.htm | 28413 | 2021-11-15 16:15:43 |
| R69.htm | 18015 | 2021-11-15 16:15:43 |
| R7.htm | 115296 | 2021-11-15 16:15:43 |
| R70.htm | 24282 | 2021-11-15 16:15:43 |
| R71.htm | 17269 | 2021-11-15 16:15:43 |
| R8.htm | 34703 | 2021-11-15 16:15:43 |
| R9.htm | 91895 | 2021-11-15 16:15:43 |
| report.css | 2767 | 2021-11-15 16:15:43 |
| Show.js | 1085 | 2021-11-15 16:15:43 |