Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001058623-21-000045-index-headers.html | 2021-02-23 08:01:52 | |
| 0001058623-21-000045-index.html | 2021-02-23 08:01:52 | |
| 0001058623-21-000045.txt | 2021-02-23 08:01:52 | |
 0001058623-21-000045-xbrl.zip | 470940 | 2021-02-23 08:01:52 |
| a2021quarterlyincentiveplan.htm | 3925 | 2021-02-23 08:01:52 |
| cmls-20201231.htm | 2519347 | 2021-02-23 08:01:52 |
| cmls-20201231.xsd | 76229 | 2021-02-23 08:01:52 |
| cmls-20201231_cal.xml | 156056 | 2021-02-23 08:01:52 |
| cmls-20201231_def.xml | 428342 | 2021-02-23 08:01:52 |
 cmls-20201231_g1.jpg | 48477 | 2021-02-23 08:01:52 |
| cmls-20201231_htm.xml | 2153048 | 2021-02-23 08:01:52 |
| cmls-20201231_lab.xml | 920238 | 2021-02-23 08:01:52 |
| cmls-20201231_pre.xml | 624059 | 2021-02-23 08:01:52 |
| cmls12312020ex-311.htm | 10471 | 2021-02-23 08:01:52 |
| cmls12312020ex312.htm | 10533 | 2021-02-23 08:01:52 |
| cmls12312020ex321.htm | 7603 | 2021-02-23 08:01:52 |
| ex231consentofindependentp.htm | 2254 | 2021-02-23 08:01:52 |
| exhibit211subsidiarylisting.htm | 28210 | 2021-02-23 08:01:52 |
| FilingSummary.xml | 51634 | 2021-02-23 08:01:52 |
| Financial_Report.xlsx | 130700 | 2021-02-23 08:01:52 |
| MetaLinks.json | 852475 | 2021-02-23 08:01:52 |
| R1.htm | 73146 | 2021-02-23 08:01:52 |
| R10.htm | 38183 | 2021-02-23 08:01:52 |
| R11.htm | 135131 | 2021-02-23 08:01:52 |
| R12.htm | 14191 | 2021-02-23 08:01:52 |
| R13.htm | 44534 | 2021-02-23 08:01:52 |
| R14.htm | 16782 | 2021-02-23 08:01:52 |
| R15.htm | 22882 | 2021-02-23 08:01:52 |
| R16.htm | 73899 | 2021-02-23 08:01:52 |
| R17.htm | 68232 | 2021-02-23 08:01:52 |
| R18.htm | 25468 | 2021-02-23 08:01:52 |
| R19.htm | 188247 | 2021-02-23 08:01:52 |
| R2.htm | 107055 | 2021-02-23 08:01:52 |
| R20.htm | 18688 | 2021-02-23 08:01:52 |
| R21.htm | 14991 | 2021-02-23 08:01:52 |
| R22.htm | 78471 | 2021-02-23 08:01:52 |
| R23.htm | 23138 | 2021-02-23 08:01:52 |
| R24.htm | 18881 | 2021-02-23 08:01:52 |
| R25.htm | 10943 | 2021-02-23 08:01:52 |
| R26.htm | 34439 | 2021-02-23 08:01:52 |
| R27.htm | 239803 | 2021-02-23 08:01:52 |
| R28.htm | 14343 | 2021-02-23 08:01:52 |
| R29.htm | 25805 | 2021-02-23 08:01:52 |
| R3.htm | 25602 | 2021-02-23 08:01:52 |
| R30.htm | 11357 | 2021-02-23 08:01:52 |
| R31.htm | 66817 | 2021-02-23 08:01:52 |
| R32.htm | 67515 | 2021-02-23 08:01:52 |
| R33.htm | 23863 | 2021-02-23 08:01:52 |
| R34.htm | 119141 | 2021-02-23 08:01:52 |
| R35.htm | 23914 | 2021-02-23 08:01:52 |
| R36.htm | 24207 | 2021-02-23 08:01:52 |
| R37.htm | 30541 | 2021-02-23 08:01:52 |
| R38.htm | 38248 | 2021-02-23 08:01:52 |
| R39.htm | 16615 | 2021-02-23 08:01:52 |
| R4.htm | 80650 | 2021-02-23 08:01:52 |
| R40.htm | 11985 | 2021-02-23 08:01:52 |
| R41.htm | 7572 | 2021-02-23 08:01:52 |
| R42.htm | 5052 | 2021-02-23 08:01:52 |
| R43.htm | 6492 | 2021-02-23 08:01:52 |
| R44.htm | 35919 | 2021-02-23 08:01:52 |
| R45.htm | 6575 | 2021-02-23 08:01:52 |
| R46.htm | 14359 | 2021-02-23 08:01:52 |
| R47.htm | 23173 | 2021-02-23 08:01:52 |
| R48.htm | 78235 | 2021-02-23 08:01:52 |
| R49.htm | 23526 | 2021-02-23 08:01:52 |
| R5.htm | 40218 | 2021-02-23 08:01:52 |
| R50.htm | 17444 | 2021-02-23 08:01:52 |
| R51.htm | 19700 | 2021-02-23 08:01:52 |
| R52.htm | 12798 | 2021-02-23 08:01:52 |
| R53.htm | 25935 | 2021-02-23 08:01:52 |
| R54.htm | 21459 | 2021-02-23 08:01:52 |
| R55.htm | 39644 | 2021-02-23 08:01:52 |
| R56.htm | 29350 | 2021-02-23 08:01:52 |
| R57.htm | 7862 | 2021-02-23 08:01:52 |
| R58.htm | 29990 | 2021-02-23 08:01:52 |
| R59.htm | 14082 | 2021-02-23 08:01:52 |
| R6.htm | 105995 | 2021-02-23 08:01:52 |
| R60.htm | 10018 | 2021-02-23 08:01:52 |
| R61.htm | 64333 | 2021-02-23 08:01:52 |
| R62.htm | 51384 | 2021-02-23 08:01:52 |
| R63.htm | 34936 | 2021-02-23 08:01:52 |
| R64.htm | 13196 | 2021-02-23 08:01:52 |
| R65.htm | 25477 | 2021-02-23 08:01:52 |
| R66.htm | 9719 | 2021-02-23 08:01:52 |
| R67.htm | 24707 | 2021-02-23 08:01:52 |
| R68.htm | 17563 | 2021-02-23 08:01:52 |
| R69.htm | 19151 | 2021-02-23 08:01:52 |
| R7.htm | 54288 | 2021-02-23 08:01:52 |
| R70.htm | 39952 | 2021-02-23 08:01:52 |
| R71.htm | 9646 | 2021-02-23 08:01:52 |
| R72.htm | 38950 | 2021-02-23 08:01:52 |
| R73.htm | 12151 | 2021-02-23 08:01:52 |
| R74.htm | 26960 | 2021-02-23 08:01:52 |
| R75.htm | 13357 | 2021-02-23 08:01:52 |
| R76.htm | 25645 | 2021-02-23 08:01:52 |
| R77.htm | 55791 | 2021-02-23 08:01:52 |
| R78.htm | 27652 | 2021-02-23 08:01:52 |
| R79.htm | 17334 | 2021-02-23 08:01:52 |
| R8.htm | 29172 | 2021-02-23 08:01:52 |
| R80.htm | 6292 | 2021-02-23 08:01:52 |
| R81.htm | 10459 | 2021-02-23 08:01:52 |
| R9.htm | 23150 | 2021-02-23 08:01:52 |
| report.css | 2767 | 2021-02-23 08:01:52 |
| Show.js | 1085 | 2021-02-23 08:01:52 |