Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-21-006513-index-headers.html | 2021-05-07 16:20:30 | |
| 0001558370-21-006513-index.html | 2021-05-07 16:20:30 | |
| 0001558370-21-006513.txt | 2021-05-07 16:20:30 | |
 0001558370-21-006513-xbrl.zip | 318508 | 2021-05-07 16:20:30 |
| arcb-20210331.xsd | 58039 | 2021-05-07 16:20:30 |
| arcb-20210331x10q.htm | 2468004 | 2021-05-07 16:20:30 |
| arcb-20210331x10q_htm.xml | 2308774 | 2021-05-07 16:20:30 |
| arcb-20210331xex10d2.htm | 104946 | 2021-05-07 16:20:30 |
| arcb-20210331xex10d3.htm | 166299 | 2021-05-07 16:20:30 |
| arcb-20210331xex10d4.htm | 102995 | 2021-05-07 16:20:30 |
| arcb-20210331xex10d5.htm | 217911 | 2021-05-07 16:20:30 |
| arcb-20210331xex31d1.htm | 12792 | 2021-05-07 16:20:30 |
| arcb-20210331xex31d2.htm | 12945 | 2021-05-07 16:20:30 |
| arcb-20210331xex32.htm | 12690 | 2021-05-07 16:20:30 |
| arcb-20210331_cal.xml | 100113 | 2021-05-07 16:20:30 |
| arcb-20210331_def.xml | 206051 | 2021-05-07 16:20:30 |
| arcb-20210331_lab.xml | 525057 | 2021-05-07 16:20:30 |
| arcb-20210331_pre.xml | 405039 | 2021-05-07 16:20:30 |
| FilingSummary.xml | 38492 | 2021-05-07 16:20:30 |
| Financial_Report.xlsx | 89684 | 2021-05-07 16:20:30 |
| MetaLinks.json | 664446 | 2021-05-07 16:20:30 |
| R1.htm | 52223 | 2021-05-07 16:20:30 |
| R10.htm | 174159 | 2021-05-07 16:20:30 |
| R11.htm | 88832 | 2021-05-07 16:20:30 |
| R12.htm | 10646 | 2021-05-07 16:20:30 |
| R13.htm | 77096 | 2021-05-07 16:20:30 |
| R14.htm | 108964 | 2021-05-07 16:20:30 |
| R15.htm | 51456 | 2021-05-07 16:20:30 |
| R16.htm | 155067 | 2021-05-07 16:20:30 |
| R17.htm | 52688 | 2021-05-07 16:20:30 |
| R18.htm | 194400 | 2021-05-07 16:20:30 |
| R19.htm | 10855 | 2021-05-07 16:20:30 |
| R2.htm | 109324 | 2021-05-07 16:20:30 |
| R20.htm | 13077 | 2021-05-07 16:20:30 |
| R21.htm | 170916 | 2021-05-07 16:20:30 |
| R22.htm | 89172 | 2021-05-07 16:20:30 |
| R23.htm | 79165 | 2021-05-07 16:20:30 |
| R24.htm | 99986 | 2021-05-07 16:20:30 |
| R25.htm | 39866 | 2021-05-07 16:20:30 |
| R26.htm | 156292 | 2021-05-07 16:20:30 |
| R27.htm | 51641 | 2021-05-07 16:20:30 |
| R28.htm | 183520 | 2021-05-07 16:20:30 |
| R29.htm | 14043 | 2021-05-07 16:20:30 |
| R3.htm | 13881 | 2021-05-07 16:20:30 |
| R30.htm | 22056 | 2021-05-07 16:20:30 |
| R31.htm | 22293 | 2021-05-07 16:20:30 |
| R32.htm | 27980 | 2021-05-07 16:20:30 |
| R33.htm | 9059 | 2021-05-07 16:20:30 |
| R34.htm | 27171 | 2021-05-07 16:20:30 |
| R35.htm | 17440 | 2021-05-07 16:20:30 |
| R36.htm | 7967 | 2021-05-07 16:20:30 |
| R37.htm | 4346 | 2021-05-07 16:20:30 |
| R38.htm | 4537 | 2021-05-07 16:20:30 |
| R39.htm | 13927 | 2021-05-07 16:20:30 |
| R4.htm | 60033 | 2021-05-07 16:20:30 |
| R40.htm | 11170 | 2021-05-07 16:20:30 |
| R41.htm | 9890 | 2021-05-07 16:20:30 |
| R42.htm | 27877 | 2021-05-07 16:20:30 |
| R43.htm | 47537 | 2021-05-07 16:20:30 |
| R44.htm | 12306 | 2021-05-07 16:20:30 |
| R45.htm | 18661 | 2021-05-07 16:20:30 |
| R46.htm | 29034 | 2021-05-07 16:20:30 |
| R47.htm | 14141 | 2021-05-07 16:20:30 |
| R48.htm | 9552 | 2021-05-07 16:20:30 |
| R49.htm | 22423 | 2021-05-07 16:20:30 |
| R5.htm | 35432 | 2021-05-07 16:20:30 |
| R50.htm | 11359 | 2021-05-07 16:20:30 |
| R51.htm | 19751 | 2021-05-07 16:20:30 |
| R52.htm | 19853 | 2021-05-07 16:20:30 |
| R53.htm | 27850 | 2021-05-07 16:20:30 |
| R54.htm | 15506 | 2021-05-07 16:20:30 |
| R55.htm | 8697 | 2021-05-07 16:20:30 |
| R56.htm | 13281 | 2021-05-07 16:20:30 |
| R57.htm | 47466 | 2021-05-07 16:20:30 |
| R58.htm | 19422 | 2021-05-07 16:20:30 |
| R59.htm | 42053 | 2021-05-07 16:20:30 |
| R6.htm | 14578 | 2021-05-07 16:20:30 |
| R60.htm | 28217 | 2021-05-07 16:20:30 |
| R61.htm | 26431 | 2021-05-07 16:20:30 |
| R62.htm | 14238 | 2021-05-07 16:20:30 |
| R7.htm | 58480 | 2021-05-07 16:20:30 |
| R8.htm | 89574 | 2021-05-07 16:20:30 |
| R9.htm | 12379 | 2021-05-07 16:20:30 |
| report.css | 2767 | 2021-05-07 16:20:30 |
| Show.js | 1085 | 2021-05-07 16:20:30 |