Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-21-003748-index-headers.html | 2021-03-02 17:00:40 | |
| 0001628280-21-003748-index.html | 2021-03-02 17:00:40 | |
| 0001628280-21-003748.txt | 2021-03-02 17:00:40 | |
 0001628280-21-003748-xbrl.zip | 1058335 | 2021-03-02 17:00:40 |
| FilingSummary.xml | 86901 | 2021-03-02 17:00:40 |
| Financial_Report.xlsx | 257197 | 2021-03-02 17:00:40 |
| MetaLinks.json | 1775119 | 2021-03-02 17:00:40 |
| muah202010-kex241.htm | 42991 | 2021-03-02 17:00:40 |
| muah202010-kex242.htm | 10481 | 2021-03-02 17:00:40 |
| muahq42020ex311.htm | 10812 | 2021-03-02 17:00:40 |
| muahq42020ex312.htm | 10732 | 2021-03-02 17:00:40 |
| muahq42020ex321.htm | 5978 | 2021-03-02 17:00:40 |
| muahq42020ex322.htm | 5938 | 2021-03-02 17:00:40 |
| R1.htm | 52432 | 2021-03-02 17:00:40 |
| R10.htm | 13623 | 2021-03-02 17:00:40 |
| R100.htm | 43394 | 2021-03-02 17:00:40 |
| R101.htm | 11514 | 2021-03-02 17:00:40 |
| R102.htm | 29195 | 2021-03-02 17:00:40 |
| R103.htm | 11551 | 2021-03-02 17:00:40 |
| R104.htm | 109583 | 2021-03-02 17:00:40 |
| R105.htm | 30389 | 2021-03-02 17:00:40 |
| R106.htm | 121449 | 2021-03-02 17:00:40 |
| R107.htm | 32507 | 2021-03-02 17:00:40 |
| R108.htm | 40329 | 2021-03-02 17:00:40 |
| R109.htm | 28413 | 2021-03-02 17:00:40 |
| R11.htm | 100459 | 2021-03-02 17:00:40 |
| R110.htm | 36195 | 2021-03-02 17:00:40 |
| R111.htm | 67766 | 2021-03-02 17:00:40 |
| R112.htm | 46872 | 2021-03-02 17:00:40 |
| R113.htm | 53655 | 2021-03-02 17:00:40 |
| R114.htm | 16057 | 2021-03-02 17:00:40 |
| R115.htm | 23775 | 2021-03-02 17:00:40 |
| R116.htm | 21096 | 2021-03-02 17:00:40 |
| R117.htm | 41486 | 2021-03-02 17:00:40 |
| R118.htm | 27460 | 2021-03-02 17:00:40 |
| R119.htm | 47443 | 2021-03-02 17:00:40 |
| R12.htm | 12194 | 2021-03-02 17:00:40 |
| R120.htm | 29540 | 2021-03-02 17:00:40 |
| R121.htm | 14125 | 2021-03-02 17:00:40 |
| R122.htm | 65053 | 2021-03-02 17:00:40 |
| R123.htm | 17562 | 2021-03-02 17:00:40 |
| R124.htm | 31272 | 2021-03-02 17:00:40 |
| R125.htm | 34070 | 2021-03-02 17:00:40 |
| R126.htm | 32765 | 2021-03-02 17:00:40 |
| R127.htm | 29745 | 2021-03-02 17:00:40 |
| R128.htm | 18931 | 2021-03-02 17:00:40 |
| R129.htm | 69187 | 2021-03-02 17:00:40 |
| R13.htm | 136190 | 2021-03-02 17:00:40 |
| R130.htm | 35780 | 2021-03-02 17:00:40 |
| R131.htm | 42370 | 2021-03-02 17:00:40 |
| R132.htm | 50884 | 2021-03-02 17:00:40 |
| R14.htm | 18160 | 2021-03-02 17:00:40 |
| R15.htm | 70716 | 2021-03-02 17:00:40 |
| R16.htm | 398546 | 2021-03-02 17:00:40 |
| R17.htm | 88706 | 2021-03-02 17:00:40 |
| R18.htm | 137535 | 2021-03-02 17:00:40 |
| R19.htm | 29278 | 2021-03-02 17:00:40 |
| R2.htm | 99204 | 2021-03-02 17:00:40 |
| R20.htm | 26570 | 2021-03-02 17:00:40 |
| R21.htm | 95211 | 2021-03-02 17:00:40 |
| R22.htm | 80138 | 2021-03-02 17:00:40 |
| R23.htm | 13019 | 2021-03-02 17:00:40 |
| R24.htm | 43903 | 2021-03-02 17:00:40 |
| R25.htm | 136298 | 2021-03-02 17:00:40 |
| R26.htm | 87750 | 2021-03-02 17:00:40 |
| R27.htm | 108921 | 2021-03-02 17:00:40 |
| R28.htm | 272860 | 2021-03-02 17:00:40 |
| R29.htm | 511367 | 2021-03-02 17:00:40 |
| R3.htm | 33106 | 2021-03-02 17:00:40 |
| R30.htm | 83302 | 2021-03-02 17:00:40 |
| R31.htm | 13420 | 2021-03-02 17:00:40 |
| R32.htm | 101973 | 2021-03-02 17:00:40 |
| R33.htm | 10207 | 2021-03-02 17:00:40 |
| R34.htm | 201063 | 2021-03-02 17:00:40 |
| R35.htm | 17595 | 2021-03-02 17:00:40 |
| R36.htm | 49425 | 2021-03-02 17:00:40 |
| R37.htm | 379133 | 2021-03-02 17:00:40 |
| R38.htm | 86478 | 2021-03-02 17:00:40 |
| R39.htm | 35691 | 2021-03-02 17:00:40 |
| R4.htm | 28642 | 2021-03-02 17:00:40 |
| R40.htm | 23543 | 2021-03-02 17:00:40 |
| R41.htm | 406404 | 2021-03-02 17:00:40 |
| R42.htm | 26554 | 2021-03-02 17:00:40 |
| R43.htm | 99501 | 2021-03-02 17:00:40 |
| R44.htm | 76410 | 2021-03-02 17:00:40 |
| R45.htm | 8188 | 2021-03-02 17:00:40 |
| R46.htm | 122108 | 2021-03-02 17:00:40 |
| R47.htm | 89738 | 2021-03-02 17:00:40 |
| R48.htm | 22365 | 2021-03-02 17:00:40 |
| R49.htm | 6959 | 2021-03-02 17:00:40 |
| R5.htm | 116336 | 2021-03-02 17:00:40 |
| R50.htm | 20732 | 2021-03-02 17:00:40 |
| R51.htm | 31986 | 2021-03-02 17:00:40 |
| R52.htm | 43850 | 2021-03-02 17:00:40 |
| R53.htm | 39488 | 2021-03-02 17:00:40 |
| R54.htm | 29078 | 2021-03-02 17:00:40 |
| R55.htm | 25880 | 2021-03-02 17:00:40 |
| R56.htm | 32384 | 2021-03-02 17:00:40 |
| R57.htm | 39526 | 2021-03-02 17:00:40 |
| R58.htm | 13867 | 2021-03-02 17:00:40 |
| R59.htm | 44456 | 2021-03-02 17:00:40 |
| R6.htm | 106187 | 2021-03-02 17:00:40 |
| R60.htm | 47345 | 2021-03-02 17:00:40 |
| R61.htm | 65404 | 2021-03-02 17:00:40 |
| R62.htm | 27716 | 2021-03-02 17:00:40 |
| R63.htm | 60434 | 2021-03-02 17:00:40 |
| R64.htm | 20127 | 2021-03-02 17:00:40 |
| R65.htm | 112940 | 2021-03-02 17:00:40 |
| R66.htm | 73958 | 2021-03-02 17:00:40 |
| R67.htm | 128862 | 2021-03-02 17:00:40 |
| R68.htm | 105077 | 2021-03-02 17:00:40 |
| R69.htm | 28659 | 2021-03-02 17:00:40 |
| R7.htm | 23048 | 2021-03-02 17:00:40 |
| R70.htm | 20953 | 2021-03-02 17:00:40 |
| R71.htm | 24357 | 2021-03-02 17:00:40 |
| R72.htm | 23402 | 2021-03-02 17:00:40 |
| R73.htm | 8349 | 2021-03-02 17:00:40 |
| R74.htm | 37516 | 2021-03-02 17:00:40 |
| R75.htm | 23214 | 2021-03-02 17:00:40 |
| R76.htm | 32088 | 2021-03-02 17:00:40 |
| R77.htm | 5792 | 2021-03-02 17:00:40 |
| R78.htm | 15097 | 2021-03-02 17:00:40 |
| R79.htm | 31505 | 2021-03-02 17:00:40 |
| R8.htm | 63501 | 2021-03-02 17:00:40 |
| R80.htm | 44103 | 2021-03-02 17:00:40 |
| R81.htm | 16458 | 2021-03-02 17:00:40 |
| R82.htm | 6272 | 2021-03-02 17:00:40 |
| R83.htm | 16682 | 2021-03-02 17:00:40 |
| R84.htm | 63211 | 2021-03-02 17:00:40 |
| R85.htm | 98823 | 2021-03-02 17:00:40 |
| R86.htm | 27985 | 2021-03-02 17:00:40 |
| R87.htm | 24156 | 2021-03-02 17:00:40 |
| R88.htm | 141908 | 2021-03-02 17:00:40 |
| R89.htm | 35742 | 2021-03-02 17:00:40 |
| R9.htm | 273910 | 2021-03-02 17:00:40 |
| R90.htm | 195062 | 2021-03-02 17:00:40 |
| R91.htm | 96702 | 2021-03-02 17:00:40 |
| R92.htm | 114914 | 2021-03-02 17:00:40 |
| R93.htm | 44109 | 2021-03-02 17:00:40 |
| R94.htm | 60129 | 2021-03-02 17:00:40 |
| R95.htm | 37164 | 2021-03-02 17:00:40 |
| R96.htm | 24516 | 2021-03-02 17:00:40 |
| R97.htm | 23199 | 2021-03-02 17:00:40 |
| R98.htm | 13452 | 2021-03-02 17:00:40 |
| R99.htm | 75946 | 2021-03-02 17:00:40 |
| report.css | 2768 | 2021-03-02 17:00:40 |
| Show.js | 1086 | 2021-03-02 17:00:40 |
| ub-20201231.htm | 7885310 | 2021-03-02 17:00:40 |
| ub-20201231.xsd | 178752 | 2021-03-02 17:00:40 |
| ub-20201231_cal.xml | 300517 | 2021-03-02 17:00:40 |
| ub-20201231_def.xml | 1375734 | 2021-03-02 17:00:40 |
| ub-20201231_htm.xml | 7827574 | 2021-03-02 17:00:40 |
| ub-20201231_lab.xml | 2014937 | 2021-03-02 17:00:40 |
| ub-20201231_pre.xml | 1729436 | 2021-03-02 17:00:40 |