Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000064996-23-000034-index-headers.html | 2023-10-31 16:08:36 | |
| 0000064996-23-000034-index.html | 2023-10-31 16:08:36 | |
| 0000064996-23-000034.txt | 2023-10-31 16:08:36 | |
 0000064996-23-000034-xbrl.zip | 240804 | 2023-10-31 16:08:36 |
| FilingSummary.xml | 35391 | 2023-10-31 16:08:36 |
| Financial_Report.xlsx | 99633 | 2023-10-31 16:08:36 |
| mcy-20230930.htm | 1645713 | 2023-10-31 16:08:36 |
| mcy-20230930.xsd | 38598 | 2023-10-31 16:08:36 |
| mcy-20230930_cal.xml | 56108 | 2023-10-31 16:08:36 |
| mcy-20230930_def.xml | 224083 | 2023-10-31 16:08:36 |
| mcy-20230930_htm.xml | 1441923 | 2023-10-31 16:08:36 |
| mcy-20230930_lab.xml | 636483 | 2023-10-31 16:08:36 |
| mcy-20230930_pre.xml | 426314 | 2023-10-31 16:08:36 |
| mcy-2023930x10qxex151.htm | 6284 | 2023-10-31 16:08:36 |
| mcy-2023930x10qxex152.htm | 4530 | 2023-10-31 16:08:36 |
| mcy-2023930x10qxex311.htm | 10142 | 2023-10-31 16:08:36 |
| mcy-2023930x10qxex312.htm | 10208 | 2023-10-31 16:08:36 |
| mcy-2023930x10qxex321.htm | 5291 | 2023-10-31 16:08:36 |
| mcy-2023930x10qxex322.htm | 5343 | 2023-10-31 16:08:36 |
| MetaLinks.json | 829412 | 2023-10-31 16:08:36 |
| R1.htm | 51524 | 2023-10-31 16:08:36 |
| R10.htm | 28208 | 2023-10-31 16:08:36 |
| R11.htm | 156223 | 2023-10-31 16:08:36 |
| R12.htm | 23161 | 2023-10-31 16:08:36 |
| R13.htm | 40156 | 2023-10-31 16:08:36 |
| R14.htm | 14232 | 2023-10-31 16:08:36 |
| R15.htm | 11630 | 2023-10-31 16:08:36 |
| R16.htm | 25181 | 2023-10-31 16:08:36 |
| R17.htm | 26651 | 2023-10-31 16:08:36 |
| R18.htm | 14129 | 2023-10-31 16:08:36 |
| R19.htm | 152156 | 2023-10-31 16:08:36 |
| R2.htm | 116454 | 2023-10-31 16:08:36 |
| R20.htm | 15387 | 2023-10-31 16:08:36 |
| R21.htm | 8480 | 2023-10-31 16:08:36 |
| R22.htm | 61115 | 2023-10-31 16:08:36 |
| R23.htm | 46915 | 2023-10-31 16:08:36 |
| R24.htm | 11517 | 2023-10-31 16:08:36 |
| R25.htm | 23015 | 2023-10-31 16:08:36 |
| R26.htm | 134963 | 2023-10-31 16:08:36 |
| R27.htm | 23116 | 2023-10-31 16:08:36 |
| R28.htm | 39692 | 2023-10-31 16:08:36 |
| R29.htm | 9048 | 2023-10-31 16:08:36 |
| R3.htm | 22180 | 2023-10-31 16:08:36 |
| R30.htm | 23038 | 2023-10-31 16:08:36 |
| R31.htm | 25973 | 2023-10-31 16:08:36 |
| R32.htm | 146446 | 2023-10-31 16:08:36 |
| R33.htm | 100883 | 2023-10-31 16:08:36 |
| R34.htm | 27777 | 2023-10-31 16:08:36 |
| R35.htm | 12338 | 2023-10-31 16:08:36 |
| R36.htm | 18971 | 2023-10-31 16:08:36 |
| R37.htm | 17290 | 2023-10-31 16:08:36 |
| R38.htm | 17878 | 2023-10-31 16:08:36 |
| R39.htm | 39798 | 2023-10-31 16:08:36 |
| R4.htm | 79286 | 2023-10-31 16:08:36 |
| R40.htm | 107839 | 2023-10-31 16:08:36 |
| R41.htm | 29536 | 2023-10-31 16:08:36 |
| R42.htm | 10170 | 2023-10-31 16:08:36 |
| R43.htm | 11700 | 2023-10-31 16:08:36 |
| R44.htm | 13662 | 2023-10-31 16:08:36 |
| R45.htm | 22807 | 2023-10-31 16:08:36 |
| R46.htm | 16554 | 2023-10-31 16:08:36 |
| R47.htm | 37910 | 2023-10-31 16:08:36 |
| R48.htm | 13140 | 2023-10-31 16:08:36 |
| R49.htm | 4467 | 2023-10-31 16:08:36 |
| R5.htm | 41483 | 2023-10-31 16:08:36 |
| R50.htm | 26518 | 2023-10-31 16:08:36 |
| R51.htm | 10734 | 2023-10-31 16:08:36 |
| R52.htm | 75039 | 2023-10-31 16:08:36 |
| R53.htm | 9660 | 2023-10-31 16:08:36 |
| R54.htm | 55276 | 2023-10-31 16:08:36 |
| R55.htm | 37450 | 2023-10-31 16:08:36 |
| R6.htm | 93716 | 2023-10-31 16:08:36 |
| R7.htm | 68187 | 2023-10-31 16:08:36 |
| R8.htm | 15519 | 2023-10-31 16:08:36 |
| R9.htm | 22134 | 2023-10-31 16:08:36 |
| report.css | 2767 | 2023-10-31 16:08:36 |
| Show.js | 1085 | 2023-10-31 16:08:36 |