Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000885550-20-000021-index-headers.html | 2020-02-11 16:08:58 | |
| 0000885550-20-000021-index.html | 2020-02-11 16:08:58 | |
| 0000885550-20-000021.txt | 2020-02-11 16:08:58 | |
 0000885550-20-000021-xbrl.zip | 530563 | 2020-02-11 16:08:58 |
| cacc-20191231.xsd | 96869 | 2020-02-11 16:08:58 |
| cacc-20191231x10k.htm | 4290383 | 2020-02-11 16:08:58 |
| cacc-20191231x10k_htm.xml | 4939942 | 2020-02-11 16:08:58 |
| cacc-20191231xex21.htm | 22071 | 2020-02-11 16:08:58 |
| cacc-20191231xex23.htm | 3593 | 2020-02-11 16:08:58 |
| cacc-20191231xex31a.htm | 12473 | 2020-02-11 16:08:58 |
| cacc-20191231xex31b.htm | 12625 | 2020-02-11 16:08:58 |
| cacc-20191231xex32a.htm | 8247 | 2020-02-11 16:08:58 |
| cacc-20191231xex32b.htm | 8265 | 2020-02-11 16:08:58 |
| cacc-20191231xex41.htm | 15279 | 2020-02-11 16:08:58 |
| cacc-20191231_cal.xml | 124119 | 2020-02-11 16:08:58 |
| cacc-20191231_def.xml | 399537 | 2020-02-11 16:08:58 |
| cacc-20191231_lab.xml | 1002051 | 2020-02-11 16:08:58 |
| cacc-20191231_pre.xml | 646798 | 2020-02-11 16:08:58 |
| FilingSummary.xml | 63861 | 2020-02-11 16:08:58 |
| Financial_Report.xlsx | 150983 | 2020-02-11 16:08:58 |
| MetaLinks.json | 836184 | 2020-02-11 16:08:58 |
| R1.htm | 59089 | 2020-02-11 16:08:58 |
| R10.htm | 108348 | 2020-02-11 16:08:58 |
| R11.htm | 129228 | 2020-02-11 16:08:58 |
| R12.htm | 361560 | 2020-02-11 16:08:58 |
| R13.htm | 20391 | 2020-02-11 16:08:58 |
| R14.htm | 99461 | 2020-02-11 16:08:58 |
| R15.htm | 91235 | 2020-02-11 16:08:58 |
| R16.htm | 412418 | 2020-02-11 16:08:58 |
| R17.htm | 103704 | 2020-02-11 16:08:58 |
| R18.htm | 100255 | 2020-02-11 16:08:58 |
| R19.htm | 20292 | 2020-02-11 16:08:58 |
| R2.htm | 75189 | 2020-02-11 16:08:58 |
| R20.htm | 28664 | 2020-02-11 16:08:58 |
| R21.htm | 82970 | 2020-02-11 16:08:58 |
| R22.htm | 11975 | 2020-02-11 16:08:58 |
| R23.htm | 25690 | 2020-02-11 16:08:58 |
| R24.htm | 55501 | 2020-02-11 16:08:58 |
| R25.htm | 5175 | 2020-02-11 16:08:58 |
| R26.htm | 146956 | 2020-02-11 16:08:58 |
| R27.htm | 28321 | 2020-02-11 16:08:58 |
| R28.htm | 15637 | 2020-02-11 16:08:58 |
| R29.htm | 101934 | 2020-02-11 16:08:58 |
| R3.htm | 16879 | 2020-02-11 16:08:58 |
| R30.htm | 131869 | 2020-02-11 16:08:58 |
| R31.htm | 360842 | 2020-02-11 16:08:58 |
| R32.htm | 19408 | 2020-02-11 16:08:58 |
| R33.htm | 106384 | 2020-02-11 16:08:58 |
| R34.htm | 86092 | 2020-02-11 16:08:58 |
| R35.htm | 395787 | 2020-02-11 16:08:58 |
| R36.htm | 104316 | 2020-02-11 16:08:58 |
| R37.htm | 98249 | 2020-02-11 16:08:58 |
| R38.htm | 19345 | 2020-02-11 16:08:58 |
| R39.htm | 29588 | 2020-02-11 16:08:58 |
| R4.htm | 56797 | 2020-02-11 16:08:58 |
| R40.htm | 76135 | 2020-02-11 16:08:58 |
| R41.htm | 12960 | 2020-02-11 16:08:58 |
| R42.htm | 55538 | 2020-02-11 16:08:58 |
| R43.htm | 15073 | 2020-02-11 16:08:58 |
| R44.htm | 6343 | 2020-02-11 16:08:58 |
| R45.htm | 11400 | 2020-02-11 16:08:58 |
| R46.htm | 49421 | 2020-02-11 16:08:58 |
| R47.htm | 12495 | 2020-02-11 16:08:58 |
| R48.htm | 21094 | 2020-02-11 16:08:58 |
| R49.htm | 32707 | 2020-02-11 16:08:58 |
| R5.htm | 14886 | 2020-02-11 16:08:58 |
| R50.htm | 35974 | 2020-02-11 16:08:58 |
| R51.htm | 26905 | 2020-02-11 16:08:58 |
| R52.htm | 30983 | 2020-02-11 16:08:58 |
| R53.htm | 30846 | 2020-02-11 16:08:58 |
| R54.htm | 25584 | 2020-02-11 16:08:58 |
| R55.htm | 17937 | 2020-02-11 16:08:58 |
| R56.htm | 35101 | 2020-02-11 16:08:58 |
| R57.htm | 30834 | 2020-02-11 16:08:58 |
| R58.htm | 17071 | 2020-02-11 16:08:58 |
| R59.htm | 65856 | 2020-02-11 16:08:58 |
| R6.htm | 37933 | 2020-02-11 16:08:58 |
| R60.htm | 33511 | 2020-02-11 16:08:58 |
| R61.htm | 27918 | 2020-02-11 16:08:58 |
| R62.htm | 4893 | 2020-02-11 16:08:58 |
| R63.htm | 20901 | 2020-02-11 16:08:58 |
| R64.htm | 12204 | 2020-02-11 16:08:58 |
| R65.htm | 21043 | 2020-02-11 16:08:58 |
| R66.htm | 26594 | 2020-02-11 16:08:58 |
| R67.htm | 16217 | 2020-02-11 16:08:58 |
| R68.htm | 13476 | 2020-02-11 16:08:58 |
| R69.htm | 19323 | 2020-02-11 16:08:58 |
| R7.htm | 97666 | 2020-02-11 16:08:58 |
| R70.htm | 59704 | 2020-02-11 16:08:58 |
| R71.htm | 5586 | 2020-02-11 16:08:58 |
| R72.htm | 126810 | 2020-02-11 16:08:58 |
| R73.htm | 27507 | 2020-02-11 16:08:58 |
| R74.htm | 116630 | 2020-02-11 16:08:58 |
| R75.htm | 21594 | 2020-02-11 16:08:58 |
| R76.htm | 116767 | 2020-02-11 16:08:58 |
| R77.htm | 27683 | 2020-02-11 16:08:58 |
| R78.htm | 37708 | 2020-02-11 16:08:58 |
| R79.htm | 49649 | 2020-02-11 16:08:58 |
| R8.htm | 45083 | 2020-02-11 16:08:58 |
| R80.htm | 8437 | 2020-02-11 16:08:58 |
| R81.htm | 16726 | 2020-02-11 16:08:58 |
| R82.htm | 34188 | 2020-02-11 16:08:58 |
| R83.htm | 26616 | 2020-02-11 16:08:58 |
| R84.htm | 19247 | 2020-02-11 16:08:58 |
| R85.htm | 15767 | 2020-02-11 16:08:58 |
| R86.htm | 16925 | 2020-02-11 16:08:58 |
| R87.htm | 21020 | 2020-02-11 16:08:58 |
| R88.htm | 43049 | 2020-02-11 16:08:58 |
| R89.htm | 23901 | 2020-02-11 16:08:58 |
| R9.htm | 106690 | 2020-02-11 16:08:58 |
| R90.htm | 39827 | 2020-02-11 16:08:58 |
| R91.htm | 9390 | 2020-02-11 16:08:58 |
| R92.htm | 23186 | 2020-02-11 16:08:58 |
| R93.htm | 16950 | 2020-02-11 16:08:58 |
| R94.htm | 26276 | 2020-02-11 16:08:58 |
| R95.htm | 8343 | 2020-02-11 16:08:58 |
| report.css | 2767 | 2020-02-11 16:08:58 |
| Show.js | 1085 | 2020-02-11 16:08:58 |
 stockpricechart2019a01.jpg | 107045 | 2020-02-11 16:08:58 |