Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-21-000797-index-headers.html | 2021-02-08 11:56:20 | |
| 0001558370-21-000797-index.html | 2021-02-08 11:56:20 | |
| 0001558370-21-000797.txt | 2021-02-08 11:56:20 | |
 0001558370-21-000797-xbrl.zip | 368687 | 2021-02-08 11:56:20 |
| cub-20201231.xsd | 60777 | 2021-02-08 11:56:20 |
| cub-20201231x10q.htm | 2600042 | 2021-02-08 11:56:20 |
| cub-20201231x10q_htm.xml | 2799651 | 2021-02-08 11:56:20 |
| cub-20201231xex10d1.htm | 132815 | 2021-02-08 11:56:20 |
| cub-20201231xex10d2.htm | 207972 | 2021-02-08 11:56:20 |
| cub-20201231xex10d3.htm | 107596 | 2021-02-08 11:56:20 |
| cub-20201231xex31d1.htm | 16312 | 2021-02-08 11:56:20 |
| cub-20201231xex31d2.htm | 15907 | 2021-02-08 11:56:20 |
| cub-20201231xex32d1.htm | 8993 | 2021-02-08 11:56:20 |
| cub-20201231xex32d2.htm | 8986 | 2021-02-08 11:56:20 |
| cub-20201231_cal.xml | 90816 | 2021-02-08 11:56:20 |
| cub-20201231_def.xml | 418505 | 2021-02-08 11:56:20 |
| cub-20201231_lab.xml | 673731 | 2021-02-08 11:56:20 |
| cub-20201231_pre.xml | 555393 | 2021-02-08 11:56:20 |
| FilingSummary.xml | 44906 | 2021-02-08 11:56:20 |
| Financial_Report.xlsx | 111005 | 2021-02-08 11:56:20 |
| MetaLinks.json | 836224 | 2021-02-08 11:56:20 |
| R1.htm | 58019 | 2021-02-08 11:56:20 |
| R10.htm | 68915 | 2021-02-08 11:56:20 |
| R11.htm | 59988 | 2021-02-08 11:56:20 |
| R12.htm | 26209 | 2021-02-08 11:56:20 |
| R13.htm | 46016 | 2021-02-08 11:56:20 |
| R14.htm | 135767 | 2021-02-08 11:56:20 |
| R15.htm | 11970 | 2021-02-08 11:56:20 |
| R16.htm | 102533 | 2021-02-08 11:56:20 |
| R17.htm | 26753 | 2021-02-08 11:56:20 |
| R18.htm | 95892 | 2021-02-08 11:56:20 |
| R19.htm | 8328 | 2021-02-08 11:56:20 |
| R2.htm | 129137 | 2021-02-08 11:56:20 |
| R20.htm | 85160 | 2021-02-08 11:56:20 |
| R21.htm | 250490 | 2021-02-08 11:56:20 |
| R22.htm | 36567 | 2021-02-08 11:56:20 |
| R23.htm | 5100 | 2021-02-08 11:56:20 |
| R24.htm | 6319 | 2021-02-08 11:56:20 |
| R25.htm | 9445 | 2021-02-08 11:56:20 |
| R26.htm | 132120 | 2021-02-08 11:56:20 |
| R27.htm | 61650 | 2021-02-08 11:56:20 |
| R28.htm | 52128 | 2021-02-08 11:56:20 |
| R29.htm | 23389 | 2021-02-08 11:56:20 |
| R3.htm | 39717 | 2021-02-08 11:56:20 |
| R30.htm | 44841 | 2021-02-08 11:56:20 |
| R31.htm | 126247 | 2021-02-08 11:56:20 |
| R32.htm | 125937 | 2021-02-08 11:56:20 |
| R33.htm | 22915 | 2021-02-08 11:56:20 |
| R34.htm | 91218 | 2021-02-08 11:56:20 |
| R35.htm | 82373 | 2021-02-08 11:56:20 |
| R36.htm | 246139 | 2021-02-08 11:56:20 |
| R37.htm | 36918 | 2021-02-08 11:56:20 |
| R38.htm | 29554 | 2021-02-08 11:56:20 |
| R39.htm | 105080 | 2021-02-08 11:56:20 |
| R4.htm | 123787 | 2021-02-08 11:56:20 |
| R40.htm | 26159 | 2021-02-08 11:56:20 |
| R41.htm | 98198 | 2021-02-08 11:56:20 |
| R42.htm | 66301 | 2021-02-08 11:56:20 |
| R43.htm | 25319 | 2021-02-08 11:56:20 |
| R44.htm | 13733 | 2021-02-08 11:56:20 |
| R45.htm | 18410 | 2021-02-08 11:56:20 |
| R46.htm | 15329 | 2021-02-08 11:56:20 |
| R47.htm | 9720 | 2021-02-08 11:56:20 |
| R48.htm | 44654 | 2021-02-08 11:56:20 |
| R49.htm | 38336 | 2021-02-08 11:56:20 |
| R5.htm | 4343 | 2021-02-08 11:56:20 |
| R50.htm | 84074 | 2021-02-08 11:56:20 |
| R51.htm | 8541 | 2021-02-08 11:56:20 |
| R52.htm | 57863 | 2021-02-08 11:56:20 |
| R53.htm | 4400 | 2021-02-08 11:56:20 |
| R54.htm | 23811 | 2021-02-08 11:56:20 |
| R55.htm | 13740 | 2021-02-08 11:56:20 |
| R56.htm | 11579 | 2021-02-08 11:56:20 |
| R57.htm | 42325 | 2021-02-08 11:56:20 |
| R58.htm | 19691 | 2021-02-08 11:56:20 |
| R59.htm | 33187 | 2021-02-08 11:56:20 |
| R6.htm | 78226 | 2021-02-08 11:56:20 |
| R60.htm | 10966 | 2021-02-08 11:56:20 |
| R61.htm | 34771 | 2021-02-08 11:56:20 |
| R62.htm | 20741 | 2021-02-08 11:56:20 |
| R63.htm | 8392 | 2021-02-08 11:56:20 |
| R64.htm | 34001 | 2021-02-08 11:56:20 |
| R65.htm | 19418 | 2021-02-08 11:56:20 |
| R66.htm | 18179 | 2021-02-08 11:56:20 |
| R67.htm | 22699 | 2021-02-08 11:56:20 |
| R68.htm | 32565 | 2021-02-08 11:56:20 |
| R69.htm | 20605 | 2021-02-08 11:56:20 |
| R7.htm | 50873 | 2021-02-08 11:56:20 |
| R70.htm | 20389 | 2021-02-08 11:56:20 |
| R71.htm | 20208 | 2021-02-08 11:56:20 |
| R72.htm | 20427 | 2021-02-08 11:56:20 |
| R73.htm | 11715 | 2021-02-08 11:56:20 |
| R74.htm | 14924 | 2021-02-08 11:56:20 |
| R75.htm | 6653 | 2021-02-08 11:56:20 |
| R8.htm | 14502 | 2021-02-08 11:56:20 |
| R9.htm | 130758 | 2021-02-08 11:56:20 |
| report.css | 2767 | 2021-02-08 11:56:20 |
| Show.js | 1085 | 2021-02-08 11:56:20 |