Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000949157-23-000035-index-headers.html | 2023-05-09 16:06:41 | |
| 0000949157-23-000035-index.html | 2023-05-09 16:06:41 | |
| 0000949157-23-000035.txt | 2023-05-09 16:06:41 | |
 0000949157-23-000035-xbrl.zip | 261051 | 2023-05-09 16:06:41 |
| a20230331q1ex311.htm | 11533 | 2023-05-09 16:06:41 |
| a20230331q1ex312.htm | 11423 | 2023-05-09 16:06:41 |
| a20230331q1ex321.htm | 6061 | 2023-05-09 16:06:41 |
| a20230331q1ex322.htm | 6076 | 2023-05-09 16:06:41 |
| cenx-20230331.htm | 1359502 | 2023-05-09 16:06:41 |
| cenx-20230331.xsd | 41819 | 2023-05-09 16:06:41 |
| cenx-20230331_cal.xml | 68718 | 2023-05-09 16:06:41 |
| cenx-20230331_def.xml | 258480 | 2023-05-09 16:06:41 |
 cenx-20230331_g1.jpg | 7822 | 2023-05-09 16:06:41 |
| cenx-20230331_htm.xml | 1191830 | 2023-05-09 16:06:41 |
| cenx-20230331_lab.xml | 596555 | 2023-05-09 16:06:41 |
| cenx-20230331_pre.xml | 402558 | 2023-05-09 16:06:41 |
| FilingSummary.xml | 33345 | 2023-05-09 16:06:41 |
| Financial_Report.xlsx | 82354 | 2023-05-09 16:06:41 |
| MetaLinks.json | 701529 | 2023-05-09 16:06:41 |
| R1.htm | 53120 | 2023-05-09 16:06:41 |
| R10.htm | 14549 | 2023-05-09 16:06:41 |
| R11.htm | 117612 | 2023-05-09 16:06:41 |
| R12.htm | 43552 | 2023-05-09 16:06:41 |
| R13.htm | 19117 | 2023-05-09 16:06:41 |
| R14.htm | 9328 | 2023-05-09 16:06:41 |
| R15.htm | 12077 | 2023-05-09 16:06:41 |
| R16.htm | 48951 | 2023-05-09 16:06:41 |
| R17.htm | 23081 | 2023-05-09 16:06:41 |
| R18.htm | 56426 | 2023-05-09 16:06:41 |
| R19.htm | 30819 | 2023-05-09 16:06:41 |
| R2.htm | 86637 | 2023-05-09 16:06:41 |
| R20.htm | 32061 | 2023-05-09 16:06:41 |
| R21.htm | 5179 | 2023-05-09 16:06:41 |
| R22.htm | 11183 | 2023-05-09 16:06:41 |
| R23.htm | 11794 | 2023-05-09 16:06:41 |
| R24.htm | 117627 | 2023-05-09 16:06:41 |
| R25.htm | 42202 | 2023-05-09 16:06:41 |
| R26.htm | 12698 | 2023-05-09 16:06:41 |
| R27.htm | 32429 | 2023-05-09 16:06:41 |
| R28.htm | 57520 | 2023-05-09 16:06:41 |
| R29.htm | 27322 | 2023-05-09 16:06:41 |
| R3.htm | 42322 | 2023-05-09 16:06:41 |
| R30.htm | 32248 | 2023-05-09 16:06:41 |
| R31.htm | 11801 | 2023-05-09 16:06:41 |
| R32.htm | 29690 | 2023-05-09 16:06:41 |
| R33.htm | 13505 | 2023-05-09 16:06:41 |
| R34.htm | 11731 | 2023-05-09 16:06:41 |
| R35.htm | 30431 | 2023-05-09 16:06:41 |
| R36.htm | 11251 | 2023-05-09 16:06:41 |
| R37.htm | 34645 | 2023-05-09 16:06:41 |
| R38.htm | 57249 | 2023-05-09 16:06:41 |
| R39.htm | 14733 | 2023-05-09 16:06:41 |
| R4.htm | 136306 | 2023-05-09 16:06:41 |
| R40.htm | 39650 | 2023-05-09 16:06:41 |
| R41.htm | 6413 | 2023-05-09 16:06:41 |
| R42.htm | 14403 | 2023-05-09 16:06:41 |
| R43.htm | 43022 | 2023-05-09 16:06:41 |
| R44.htm | 49368 | 2023-05-09 16:06:41 |
| R45.htm | 43387 | 2023-05-09 16:06:41 |
| R46.htm | 33306 | 2023-05-09 16:06:41 |
| R47.htm | 70758 | 2023-05-09 16:06:41 |
| R48.htm | 31089 | 2023-05-09 16:06:41 |
| R49.htm | 33239 | 2023-05-09 16:06:41 |
| R5.htm | 89489 | 2023-05-09 16:06:41 |
| R50.htm | 26291 | 2023-05-09 16:06:41 |
| R51.htm | 27184 | 2023-05-09 16:06:41 |
| R52.htm | 29776 | 2023-05-09 16:06:41 |
| R53.htm | 10693 | 2023-05-09 16:06:41 |
| R54.htm | 10721 | 2023-05-09 16:06:41 |
| R6.htm | 38439 | 2023-05-09 16:06:41 |
| R7.htm | 5312 | 2023-05-09 16:06:41 |
| R8.htm | 6930 | 2023-05-09 16:06:41 |
| R9.htm | 21253 | 2023-05-09 16:06:41 |
| report.css | 2767 | 2023-05-09 16:06:41 |
| Show.js | 1085 | 2023-05-09 16:06:41 |