Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000064996-23-000025-index-headers.html | 2023-05-02 16:08:57 | |
| 0000064996-23-000025-index.html | 2023-05-02 16:08:57 | |
| 0000064996-23-000025.txt | 2023-05-02 16:08:57 | |
 0000064996-23-000025-xbrl.zip | 267602 | 2023-05-02 16:08:57 |
| FilingSummary.xml | 35847 | 2023-05-02 16:08:57 |
| Financial_Report.xlsx | 94302 | 2023-05-02 16:08:57 |
| mcy-20230331.htm | 1664879 | 2023-05-02 16:08:57 |
| mcy-20230331.xsd | 38686 | 2023-05-02 16:08:57 |
| mcy-20230331_cal.xml | 56130 | 2023-05-02 16:08:57 |
| mcy-20230331_def.xml | 247220 | 2023-05-02 16:08:57 |
| mcy-20230331_htm.xml | 1436459 | 2023-05-02 16:08:57 |
| mcy-20230331_lab.xml | 546139 | 2023-05-02 16:08:57 |
| mcy-20230331_pre.xml | 398820 | 2023-05-02 16:08:57 |
| mcy-2023331x10qxex151.htm | 6253 | 2023-05-02 16:08:57 |
| mcy-2023331x10qxex152.htm | 4622 | 2023-05-02 16:08:57 |
| mcy-2023331x10qxex311.htm | 10239 | 2023-05-02 16:08:57 |
| mcy-2023331x10qxex312.htm | 10305 | 2023-05-02 16:08:57 |
| mcy-2023331x10qxex321.htm | 5384 | 2023-05-02 16:08:57 |
| mcy-2023331x10qxex322.htm | 5436 | 2023-05-02 16:08:57 |
| MetaLinks.json | 711806 | 2023-05-02 16:08:57 |
| R1.htm | 51524 | 2023-05-02 16:08:57 |
| R10.htm | 18491 | 2023-05-02 16:08:57 |
| R11.htm | 153661 | 2023-05-02 16:08:57 |
| R12.htm | 20490 | 2023-05-02 16:08:57 |
| R13.htm | 39412 | 2023-05-02 16:08:57 |
| R14.htm | 14277 | 2023-05-02 16:08:57 |
| R15.htm | 11365 | 2023-05-02 16:08:57 |
| R16.htm | 24357 | 2023-05-02 16:08:57 |
| R17.htm | 26476 | 2023-05-02 16:08:57 |
| R18.htm | 14481 | 2023-05-02 16:08:57 |
| R19.htm | 81146 | 2023-05-02 16:08:57 |
| R2.htm | 110025 | 2023-05-02 16:08:57 |
| R20.htm | 49569 | 2023-05-02 16:08:57 |
| R21.htm | 32358 | 2023-05-02 16:08:57 |
| R22.htm | 11368 | 2023-05-02 16:08:57 |
| R23.htm | 13325 | 2023-05-02 16:08:57 |
| R24.htm | 132582 | 2023-05-02 16:08:57 |
| R25.htm | 20720 | 2023-05-02 16:08:57 |
| R26.htm | 39135 | 2023-05-02 16:08:57 |
| R27.htm | 9037 | 2023-05-02 16:08:57 |
| R28.htm | 22799 | 2023-05-02 16:08:57 |
| R29.htm | 25772 | 2023-05-02 16:08:57 |
| R3.htm | 17617 | 2023-05-02 16:08:57 |
| R30.htm | 75363 | 2023-05-02 16:08:57 |
| R31.htm | 86112 | 2023-05-02 16:08:57 |
| R32.htm | 26593 | 2023-05-02 16:08:57 |
| R33.htm | 11813 | 2023-05-02 16:08:57 |
| R34.htm | 19047 | 2023-05-02 16:08:57 |
| R35.htm | 17455 | 2023-05-02 16:08:57 |
| R36.htm | 11380 | 2023-05-02 16:08:57 |
| R37.htm | 40034 | 2023-05-02 16:08:57 |
| R38.htm | 102797 | 2023-05-02 16:08:57 |
| R39.htm | 28809 | 2023-05-02 16:08:57 |
| R4.htm | 75945 | 2023-05-02 16:08:57 |
| R40.htm | 10014 | 2023-05-02 16:08:57 |
| R41.htm | 10630 | 2023-05-02 16:08:57 |
| R42.htm | 13316 | 2023-05-02 16:08:57 |
| R43.htm | 22771 | 2023-05-02 16:08:57 |
| R44.htm | 16657 | 2023-05-02 16:08:57 |
| R45.htm | 30193 | 2023-05-02 16:08:57 |
| R46.htm | 13208 | 2023-05-02 16:08:57 |
| R47.htm | 4451 | 2023-05-02 16:08:57 |
| R48.htm | 26702 | 2023-05-02 16:08:57 |
| R49.htm | 8771 | 2023-05-02 16:08:57 |
| R5.htm | 32660 | 2023-05-02 16:08:57 |
| R50.htm | 30203 | 2023-05-02 16:08:57 |
| R51.htm | 59300 | 2023-05-02 16:08:57 |
| R52.htm | 11465 | 2023-05-02 16:08:57 |
| R53.htm | 50619 | 2023-05-02 16:08:57 |
| R54.htm | 32302 | 2023-05-02 16:08:57 |
| R6.htm | 93752 | 2023-05-02 16:08:57 |
| R7.htm | 50215 | 2023-05-02 16:08:57 |
| R8.htm | 16198 | 2023-05-02 16:08:57 |
| R9.htm | 22141 | 2023-05-02 16:08:57 |
| report.css | 2767 | 2023-05-02 16:08:57 |
| Show.js | 1085 | 2023-05-02 16:08:57 |