Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-19-281135-index-headers.html | 2019-11-01 06:54:17 | |
| 0001193125-19-281135-index.html | 2019-11-01 06:54:17 | |
| 0001193125-19-281135.txt | 2019-11-01 06:54:17 | |
 0001193125-19-281135-xbrl.zip | 167958 | 2019-11-01 06:54:17 |
| d787099d10q.htm | 1932935 | 2019-11-01 06:54:17 |
| d787099d10q_htm.xml | 1250035 | 2019-11-01 06:54:17 |
| d787099dex101.htm | 21439 | 2019-11-01 06:54:17 |
| d787099dex311.htm | 11215 | 2019-11-01 06:54:17 |
| d787099dex312.htm | 11468 | 2019-11-01 06:54:17 |
| d787099dex321.htm | 4196 | 2019-11-01 06:54:17 |
| d787099dex991.htm | 166114 | 2019-11-01 06:54:17 |
| FilingSummary.xml | 33100 | 2019-11-01 06:54:17 |
| Financial_Report.xlsx | 58891 | 2019-11-01 06:54:17 |
| md-20190930.xsd | 44589 | 2019-11-01 06:54:17 |
| md-20190930_cal.xml | 72720 | 2019-11-01 06:54:17 |
| md-20190930_def.xml | 139724 | 2019-11-01 06:54:17 |
| md-20190930_lab.xml | 369862 | 2019-11-01 06:54:17 |
| md-20190930_pre.xml | 282111 | 2019-11-01 06:54:17 |
| MetaLinks.json | 527846 | 2019-11-01 06:54:17 |
| R1.htm | 52173 | 2019-11-01 06:54:17 |
| R10.htm | 85283 | 2019-11-01 06:54:17 |
| R11.htm | 8170 | 2019-11-01 06:54:17 |
| R12.htm | 12790 | 2019-11-01 06:54:17 |
| R13.htm | 134368 | 2019-11-01 06:54:17 |
| R14.htm | 29175 | 2019-11-01 06:54:17 |
| R15.htm | 66125 | 2019-11-01 06:54:17 |
| R16.htm | 8366 | 2019-11-01 06:54:17 |
| R17.htm | 41380 | 2019-11-01 06:54:17 |
| R18.htm | 12849 | 2019-11-01 06:54:17 |
| R19.htm | 8631 | 2019-11-01 06:54:17 |
| R2.htm | 98608 | 2019-11-01 06:54:17 |
| R20.htm | 10708 | 2019-11-01 06:54:17 |
| R21.htm | 10632 | 2019-11-01 06:54:17 |
| R22.htm | 5704 | 2019-11-01 06:54:17 |
| R23.htm | 36633 | 2019-11-01 06:54:17 |
| R24.htm | 74151 | 2019-11-01 06:54:17 |
| R25.htm | 83183 | 2019-11-01 06:54:17 |
| R26.htm | 129275 | 2019-11-01 06:54:17 |
| R27.htm | 27752 | 2019-11-01 06:54:17 |
| R28.htm | 66264 | 2019-11-01 06:54:17 |
| R29.htm | 38979 | 2019-11-01 06:54:17 |
| R3.htm | 16891 | 2019-11-01 06:54:17 |
| R30.htm | 5890 | 2019-11-01 06:54:17 |
| R31.htm | 13011 | 2019-11-01 06:54:17 |
| R32.htm | 16914 | 2019-11-01 06:54:17 |
| R33.htm | 17950 | 2019-11-01 06:54:17 |
| R34.htm | 23526 | 2019-11-01 06:54:17 |
| R35.htm | 9722 | 2019-11-01 06:54:17 |
| R36.htm | 12475 | 2019-11-01 06:54:17 |
| R37.htm | 14585 | 2019-11-01 06:54:17 |
| R38.htm | 24127 | 2019-11-01 06:54:17 |
| R39.htm | 14606 | 2019-11-01 06:54:17 |
| R4.htm | 89826 | 2019-11-01 06:54:17 |
| R40.htm | 41950 | 2019-11-01 06:54:17 |
| R41.htm | 37977 | 2019-11-01 06:54:17 |
| R42.htm | 8749 | 2019-11-01 06:54:17 |
| R43.htm | 20230 | 2019-11-01 06:54:17 |
| R44.htm | 2659 | 2019-11-01 06:54:17 |
| R45.htm | 16203 | 2019-11-01 06:54:17 |
| R46.htm | 10826 | 2019-11-01 06:54:17 |
| R47.htm | 3271 | 2019-11-01 06:54:17 |
| R48.htm | 22785 | 2019-11-01 06:54:17 |
| R49.htm | 6591 | 2019-11-01 06:54:17 |
| R5.htm | 83923 | 2019-11-01 06:54:17 |
| R50.htm | 12701 | 2019-11-01 06:54:17 |
| R51.htm | 44498 | 2019-11-01 06:54:17 |
| R52.htm | 20984 | 2019-11-01 06:54:17 |
| R53.htm | 7415 | 2019-11-01 06:54:17 |
| R6.htm | 107869 | 2019-11-01 06:54:17 |
| R7.htm | 14233 | 2019-11-01 06:54:17 |
| R8.htm | 42440 | 2019-11-01 06:54:17 |
| R9.htm | 78839 | 2019-11-01 06:54:17 |
| report.css | 2767 | 2019-11-01 06:54:17 |
| Show.js | 1085 | 2019-11-01 06:54:17 |