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| 0001628280-22-012905-index.html | 2022-05-06 11:39:26 | |
| 0001628280-22-012905.txt | 2022-05-06 11:39:26 | |
 0001628280-22-012905-xbrl.zip | 252865 | 2022-05-06 11:39:26 |
| cass-20220331.htm | 1688076 | 2022-05-06 11:39:26 |
| cass-20220331.xsd | 40497 | 2022-05-06 11:39:26 |
| cass-20220331xex311.htm | 10088 | 2022-05-06 11:39:26 |
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| cass-20220331xex321.htm | 5502 | 2022-05-06 11:39:26 |
| cass-20220331xex322.htm | 5522 | 2022-05-06 11:39:26 |
| cass-20220331_cal.xml | 86859 | 2022-05-06 11:39:26 |
| cass-20220331_def.xml | 224256 | 2022-05-06 11:39:26 |
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| cass-20220331_lab.xml | 565355 | 2022-05-06 11:39:26 |
| cass-20220331_pre.xml | 392335 | 2022-05-06 11:39:26 |
| FilingSummary.xml | 34470 | 2022-05-06 11:39:26 |
| Financial_Report.xlsx | 80456 | 2022-05-06 11:39:26 |
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| report.css | 2767 | 2022-05-06 11:39:26 |
| Show.js | 1085 | 2022-05-06 11:39:26 |