Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000833079-20-000098-index-headers.html | 2020-07-27 13:50:27 | |
| 0000833079-20-000098-index.html | 2020-07-27 13:50:27 | |
| 0000833079-20-000098.txt | 2020-07-27 13:50:27 | |
 0000833079-20-000098-xbrl.zip | 339273 | 2020-07-27 13:50:27 |
| FilingSummary.xml | 40776 | 2020-07-27 13:50:27 |
| Financial_Report.xlsx | 101018 | 2020-07-27 13:50:27 |
| MetaLinks.json | 540963 | 2020-07-27 13:50:27 |
| mth-20200630.htm | 2786481 | 2020-07-27 13:50:27 |
| mth-20200630.xsd | 57720 | 2020-07-27 13:50:27 |
| mth-20200630_cal.xml | 99665 | 2020-07-27 13:50:27 |
| mth-20200630_def.xml | 211820 | 2020-07-27 13:50:27 |
 mth-20200630_g1.jpg | 58626 | 2020-07-27 13:50:27 |
| mth-20200630_htm.xml | 2130864 | 2020-07-27 13:50:27 |
| mth-20200630_lab.xml | 556483 | 2020-07-27 13:50:27 |
| mth-20200630_pre.xml | 375294 | 2020-07-27 13:50:27 |
| mth2020-063010qex311.htm | 8894 | 2020-07-27 13:50:27 |
| mth2020-063010qex312.htm | 8719 | 2020-07-27 13:50:27 |
| mth2020-063010qex321.htm | 10868 | 2020-07-27 13:50:27 |
| R1.htm | 53791 | 2020-07-27 13:50:27 |
| R10.htm | 51638 | 2020-07-27 13:50:27 |
| R11.htm | 17788 | 2020-07-27 13:50:27 |
| R12.htm | 19261 | 2020-07-27 13:50:27 |
| R13.htm | 29789 | 2020-07-27 13:50:27 |
| R14.htm | 34933 | 2020-07-27 13:50:27 |
| R15.htm | 28994 | 2020-07-27 13:50:27 |
| R16.htm | 112057 | 2020-07-27 13:50:27 |
| R17.htm | 42588 | 2020-07-27 13:50:27 |
| R18.htm | 28955 | 2020-07-27 13:50:27 |
| R19.htm | 161657 | 2020-07-27 13:50:27 |
| R2.htm | 54993 | 2020-07-27 13:50:27 |
| R20.htm | 6924 | 2020-07-27 13:50:27 |
| R21.htm | 77245 | 2020-07-27 13:50:27 |
| R22.htm | 86046 | 2020-07-27 13:50:27 |
| R23.htm | 46354 | 2020-07-27 13:50:27 |
| R24.htm | 35209 | 2020-07-27 13:50:27 |
| R25.htm | 49701 | 2020-07-27 13:50:27 |
| R26.htm | 14781 | 2020-07-27 13:50:27 |
| R27.htm | 20239 | 2020-07-27 13:50:27 |
| R28.htm | 24835 | 2020-07-27 13:50:27 |
| R29.htm | 35303 | 2020-07-27 13:50:27 |
| R3.htm | 19045 | 2020-07-27 13:50:27 |
| R30.htm | 27700 | 2020-07-27 13:50:27 |
| R31.htm | 112142 | 2020-07-27 13:50:27 |
| R32.htm | 38328 | 2020-07-27 13:50:27 |
| R33.htm | 22476 | 2020-07-27 13:50:27 |
| R34.htm | 15722 | 2020-07-27 13:50:27 |
| R35.htm | 158222 | 2020-07-27 13:50:27 |
| R36.htm | 30959 | 2020-07-27 13:50:27 |
| R37.htm | 19504 | 2020-07-27 13:50:27 |
| R38.htm | 22011 | 2020-07-27 13:50:27 |
| R39.htm | 11958 | 2020-07-27 13:50:27 |
| R4.htm | 58498 | 2020-07-27 13:50:27 |
| R40.htm | 13231 | 2020-07-27 13:50:27 |
| R41.htm | 12946 | 2020-07-27 13:50:27 |
| R42.htm | 49330 | 2020-07-27 13:50:27 |
| R43.htm | 10850 | 2020-07-27 13:50:27 |
| R44.htm | 27070 | 2020-07-27 13:50:27 |
| R45.htm | 14453 | 2020-07-27 13:50:27 |
| R46.htm | 25351 | 2020-07-27 13:50:27 |
| R47.htm | 28432 | 2020-07-27 13:50:27 |
| R48.htm | 22324 | 2020-07-27 13:50:27 |
| R49.htm | 22027 | 2020-07-27 13:50:27 |
| R5.htm | 65692 | 2020-07-27 13:50:27 |
| R50.htm | 25213 | 2020-07-27 13:50:27 |
| R51.htm | 4844 | 2020-07-27 13:50:27 |
| R52.htm | 21845 | 2020-07-27 13:50:27 |
| R53.htm | 43255 | 2020-07-27 13:50:27 |
| R54.htm | 21338 | 2020-07-27 13:50:27 |
| R55.htm | 20511 | 2020-07-27 13:50:27 |
| R56.htm | 11651 | 2020-07-27 13:50:27 |
| R57.htm | 10487 | 2020-07-27 13:50:27 |
| R58.htm | 30459 | 2020-07-27 13:50:27 |
| R59.htm | 10656 | 2020-07-27 13:50:27 |
| R6.htm | 16282 | 2020-07-27 13:50:27 |
| R60.htm | 6215 | 2020-07-27 13:50:27 |
| R61.htm | 70374 | 2020-07-27 13:50:27 |
| R62.htm | 15501 | 2020-07-27 13:50:27 |
| R63.htm | 39742 | 2020-07-27 13:50:27 |
| R64.htm | 5048 | 2020-07-27 13:50:27 |
| R7.htm | 112179 | 2020-07-27 13:50:27 |
| R8.htm | 44816 | 2020-07-27 13:50:27 |
| R9.htm | 40464 | 2020-07-27 13:50:27 |
| report.css | 2767 | 2020-07-27 13:50:27 |
| Show.js | 1085 | 2020-07-27 13:50:27 |