Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001224608-20-000044-index-headers.html | 2020-11-06 12:41:35 | |
| 0001224608-20-000044-index.html | 2020-11-06 12:41:35 | |
| 0001224608-20-000044.txt | 2020-11-06 12:41:35 | |
 0001224608-20-000044-xbrl.zip | 594755 | 2020-11-06 12:41:35 |
| cno-20200930.htm | 4499201 | 2020-11-06 12:41:35 |
| cno-20200930.xsd | 97136 | 2020-11-06 12:41:35 |
| cno-20200930_cal.xml | 172646 | 2020-11-06 12:41:35 |
| cno-20200930_def.xml | 488563 | 2020-11-06 12:41:35 |
 cno-20200930_g1.jpg | 25513 | 2020-11-06 12:41:35 |
| cno-20200930_htm.xml | 4837942 | 2020-11-06 12:41:35 |
| cno-20200930_lab.xml | 1039973 | 2020-11-06 12:41:35 |
| cno-20200930_pre.xml | 711948 | 2020-11-06 12:41:35 |
| cno09302020ex102.htm | 100457 | 2020-11-06 12:41:35 |
| cno09302020ex311.htm | 9257 | 2020-11-06 12:41:35 |
| cno09302020ex312.htm | 9360 | 2020-11-06 12:41:35 |
| cno09302020ex321.htm | 4426 | 2020-11-06 12:41:35 |
| cno09302020ex322.htm | 4595 | 2020-11-06 12:41:35 |
| FilingSummary.xml | 49033 | 2020-11-06 12:41:35 |
| Financial_Report.xlsx | 167663 | 2020-11-06 12:41:35 |
| MetaLinks.json | 944128 | 2020-11-06 12:41:35 |
| R1.htm | 58212 | 2020-11-06 12:41:35 |
| R10.htm | 332217 | 2020-11-06 12:41:35 |
| R11.htm | 21094 | 2020-11-06 12:41:35 |
| R12.htm | 170358 | 2020-11-06 12:41:35 |
| R13.htm | 52243 | 2020-11-06 12:41:35 |
| R14.htm | 5964 | 2020-11-06 12:41:35 |
| R15.htm | 74492 | 2020-11-06 12:41:35 |
| R16.htm | 22009 | 2020-11-06 12:41:35 |
| R17.htm | 43062 | 2020-11-06 12:41:35 |
| R18.htm | 5883 | 2020-11-06 12:41:35 |
| R19.htm | 5219 | 2020-11-06 12:41:35 |
| R2.htm | 97526 | 2020-11-06 12:41:35 |
| R20.htm | 46207 | 2020-11-06 12:41:35 |
| R21.htm | 20408 | 2020-11-06 12:41:35 |
| R22.htm | 24035 | 2020-11-06 12:41:35 |
| R23.htm | 83608 | 2020-11-06 12:41:35 |
| R24.htm | 607047 | 2020-11-06 12:41:35 |
| R25.htm | 89814 | 2020-11-06 12:41:35 |
| R26.htm | 347226 | 2020-11-06 12:41:35 |
| R27.htm | 19498 | 2020-11-06 12:41:35 |
| R28.htm | 158759 | 2020-11-06 12:41:35 |
| R29.htm | 53174 | 2020-11-06 12:41:35 |
| R3.htm | 26673 | 2020-11-06 12:41:35 |
| R30.htm | 68601 | 2020-11-06 12:41:35 |
| R31.htm | 21693 | 2020-11-06 12:41:35 |
| R32.htm | 40645 | 2020-11-06 12:41:35 |
| R33.htm | 29739 | 2020-11-06 12:41:35 |
| R34.htm | 25827 | 2020-11-06 12:41:35 |
| R35.htm | 146476 | 2020-11-06 12:41:35 |
| R36.htm | 586097 | 2020-11-06 12:41:35 |
| R37.htm | 4136 | 2020-11-06 12:41:35 |
| R38.htm | 22516 | 2020-11-06 12:41:35 |
| R39.htm | 73575 | 2020-11-06 12:41:35 |
| R4.htm | 83461 | 2020-11-06 12:41:35 |
| R40.htm | 68237 | 2020-11-06 12:41:35 |
| R41.htm | 40049 | 2020-11-06 12:41:35 |
| R42.htm | 59221 | 2020-11-06 12:41:35 |
| R43.htm | 48706 | 2020-11-06 12:41:35 |
| R44.htm | 39948 | 2020-11-06 12:41:35 |
| R45.htm | 15971 | 2020-11-06 12:41:35 |
| R46.htm | 29063 | 2020-11-06 12:41:35 |
| R47.htm | 17995 | 2020-11-06 12:41:35 |
| R48.htm | 22418 | 2020-11-06 12:41:35 |
| R49.htm | 148250 | 2020-11-06 12:41:35 |
| R5.htm | 39714 | 2020-11-06 12:41:35 |
| R50.htm | 19449 | 2020-11-06 12:41:35 |
| R51.htm | 8544 | 2020-11-06 12:41:35 |
| R52.htm | 16535 | 2020-11-06 12:41:35 |
| R53.htm | 19926 | 2020-11-06 12:41:35 |
| R54.htm | 10929 | 2020-11-06 12:41:35 |
| R55.htm | 16830 | 2020-11-06 12:41:35 |
| R56.htm | 16120 | 2020-11-06 12:41:35 |
| R57.htm | 29547 | 2020-11-06 12:41:35 |
| R58.htm | 32478 | 2020-11-06 12:41:35 |
| R59.htm | 28425 | 2020-11-06 12:41:35 |
| R6.htm | 69729 | 2020-11-06 12:41:35 |
| R60.htm | 14978 | 2020-11-06 12:41:35 |
| R61.htm | 46231 | 2020-11-06 12:41:35 |
| R62.htm | 18658 | 2020-11-06 12:41:35 |
| R63.htm | 16468 | 2020-11-06 12:41:35 |
| R64.htm | 83174 | 2020-11-06 12:41:35 |
| R65.htm | 18219 | 2020-11-06 12:41:35 |
| R66.htm | 10796 | 2020-11-06 12:41:35 |
| R67.htm | 13059 | 2020-11-06 12:41:35 |
| R68.htm | 48364 | 2020-11-06 12:41:35 |
| R69.htm | 8977 | 2020-11-06 12:41:35 |
| R7.htm | 7626 | 2020-11-06 12:41:35 |
| R70.htm | 34194 | 2020-11-06 12:41:35 |
| R71.htm | 51094 | 2020-11-06 12:41:35 |
| R72.htm | 48047 | 2020-11-06 12:41:35 |
| R73.htm | 32489 | 2020-11-06 12:41:35 |
| R74.htm | 32411 | 2020-11-06 12:41:35 |
| R75.htm | 7761 | 2020-11-06 12:41:35 |
| R76.htm | 124777 | 2020-11-06 12:41:35 |
| R77.htm | 51107 | 2020-11-06 12:41:35 |
| R78.htm | 103599 | 2020-11-06 12:41:35 |
| R79.htm | 106411 | 2020-11-06 12:41:35 |
| R8.htm | 69170 | 2020-11-06 12:41:35 |
| R80.htm | 71804 | 2020-11-06 12:41:35 |
| R9.htm | 10669 | 2020-11-06 12:41:35 |
| report.css | 2767 | 2020-11-06 12:41:35 |
| Show.js | 1085 | 2020-11-06 12:41:35 |