Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-13-304117-index-headers.html | 2013-07-26 12:13:16 | |
| 0001193125-13-304117-index.html | 2013-07-26 12:13:16 | |
| 0001193125-13-304117.txt | 2013-07-26 12:13:16 | |
 0001193125-13-304117-xbrl.zip | 131526 | 2013-07-26 12:13:16 |
| d550842d10q.htm | 787562 | 2013-07-26 12:13:16 |
| d550842dex311.htm | 6157 | 2013-07-26 12:13:16 |
| d550842dex312.htm | 6175 | 2013-07-26 12:13:16 |
| d550842dex321.htm | 3969 | 2013-07-26 12:13:16 |
| d550842dex322.htm | 3971 | 2013-07-26 12:13:16 |
| FilingSummary.xml | 35711 | 2013-07-26 12:13:16 |
| Financial_Report.xls | 700842 | 2013-07-26 12:13:16 |
| mktx-20130630.xml | 871363 | 2013-07-26 12:13:16 |
| mktx-20130630.xsd | 54733 | 2013-07-26 12:13:16 |
| mktx-20130630_cal.xml | 84081 | 2013-07-26 12:13:16 |
| mktx-20130630_def.xml | 155762 | 2013-07-26 12:13:16 |
| mktx-20130630_lab.xml | 417125 | 2013-07-26 12:13:16 |
| mktx-20130630_pre.xml | 293646 | 2013-07-26 12:13:16 |
| R1.htm | 28885 | 2013-07-26 12:13:16 |
| R1.xml | 29693 | 2013-07-26 12:13:16 |
| R10.htm | 14635 | 2013-07-26 12:13:16 |
| R10.xml | 17384 | 2013-07-26 12:13:16 |
| R11.htm | 85665 | 2013-07-26 12:13:16 |
| R11.xml | 111972 | 2013-07-26 12:13:16 |
| R12.htm | 35498 | 2013-07-26 12:13:16 |
| R12.xml | 42449 | 2013-07-26 12:13:16 |
| R13.htm | 30993 | 2013-07-26 12:13:16 |
| R13.xml | 37981 | 2013-07-26 12:13:16 |
| R14.htm | 36858 | 2013-07-26 12:13:16 |
| R14.xml | 46685 | 2013-07-26 12:13:16 |
| R15.htm | 24824 | 2013-07-26 12:13:16 |
| R15.xml | 30505 | 2013-07-26 12:13:16 |
| R16.htm | 31246 | 2013-07-26 12:13:16 |
| R16.xml | 39617 | 2013-07-26 12:13:16 |
| R17.htm | 10104 | 2013-07-26 12:13:16 |
| R17.xml | 10339 | 2013-07-26 12:13:16 |
| R18.htm | 23685 | 2013-07-26 12:13:16 |
| R18.xml | 27535 | 2013-07-26 12:13:16 |
| R19.htm | 7527 | 2013-07-26 12:13:16 |
| R19.xml | 7375 | 2013-07-26 12:13:16 |
| R2.htm | 83812 | 2013-07-26 12:13:16 |
| R2.xml | 105914 | 2013-07-26 12:13:16 |
| R20.htm | 5941 | 2013-07-26 12:13:16 |
| R20.xml | 6204 | 2013-07-26 12:13:16 |
| R21.htm | 8289 | 2013-07-26 12:13:16 |
| R21.xml | 8009 | 2013-07-26 12:13:16 |
| R22.htm | 86714 | 2013-07-26 12:13:16 |
| R22.xml | 76835 | 2013-07-26 12:13:16 |
| R23.htm | 13540 | 2013-07-26 12:13:16 |
| R23.xml | 16103 | 2013-07-26 12:13:16 |
| R24.htm | 90664 | 2013-07-26 12:13:16 |
| R24.xml | 114342 | 2013-07-26 12:13:16 |
| R25.htm | 33703 | 2013-07-26 12:13:16 |
| R25.xml | 39885 | 2013-07-26 12:13:16 |
| R26.htm | 29012 | 2013-07-26 12:13:16 |
| R26.xml | 35601 | 2013-07-26 12:13:16 |
| R27.htm | 37415 | 2013-07-26 12:13:16 |
| R27.xml | 46731 | 2013-07-26 12:13:16 |
| R28.htm | 22919 | 2013-07-26 12:13:16 |
| R28.xml | 28554 | 2013-07-26 12:13:16 |
| R29.htm | 29495 | 2013-07-26 12:13:16 |
| R29.xml | 37974 | 2013-07-26 12:13:16 |
| R3.htm | 34877 | 2013-07-26 12:13:16 |
| R3.xml | 74274 | 2013-07-26 12:13:16 |
| R30.htm | 16306 | 2013-07-26 12:13:16 |
| R30.xml | 20035 | 2013-07-26 12:13:16 |
| R31.htm | 4864 | 2013-07-26 12:13:16 |
| R31.xml | 5026 | 2013-07-26 12:13:16 |
| R32.htm | 40944 | 2013-07-26 12:13:16 |
| R32.xml | 108322 | 2013-07-26 12:13:16 |
| R33.htm | 7235 | 2013-07-26 12:13:16 |
| R33.xml | 7582 | 2013-07-26 12:13:16 |
| R34.htm | 14335 | 2013-07-26 12:13:16 |
| R34.xml | 39161 | 2013-07-26 12:13:16 |
| R35.htm | 32400 | 2013-07-26 12:13:16 |
| R35.xml | 171670 | 2013-07-26 12:13:16 |
| R36.htm | 11017 | 2013-07-26 12:13:16 |
| R36.xml | 13154 | 2013-07-26 12:13:16 |
| R37.htm | 11746 | 2013-07-26 12:13:16 |
| R37.xml | 20535 | 2013-07-26 12:13:16 |
| R38.htm | 20538 | 2013-07-26 12:13:16 |
| R38.xml | 66777 | 2013-07-26 12:13:16 |
| R39.htm | 12921 | 2013-07-26 12:13:16 |
| R39.xml | 14807 | 2013-07-26 12:13:16 |
| R4.htm | 79558 | 2013-07-26 12:13:16 |
| R4.xml | 107793 | 2013-07-26 12:13:16 |
| R40.htm | 25314 | 2013-07-26 12:13:16 |
| R40.xml | 52814 | 2013-07-26 12:13:16 |
| R41.htm | 15421 | 2013-07-26 12:13:16 |
| R41.xml | 31418 | 2013-07-26 12:13:16 |
| R42.htm | 27920 | 2013-07-26 12:13:16 |
| R42.xml | 22830 | 2013-07-26 12:13:16 |
| R43.htm | 17586 | 2013-07-26 12:13:16 |
| R43.xml | 78828 | 2013-07-26 12:13:16 |
| R44.htm | 16226 | 2013-07-26 12:13:16 |
| R44.xml | 23993 | 2013-07-26 12:13:16 |
| R45.htm | 10707 | 2013-07-26 12:13:16 |
| R45.xml | 11915 | 2013-07-26 12:13:16 |
| R46.htm | 17750 | 2013-07-26 12:13:16 |
| R46.xml | 68983 | 2013-07-26 12:13:16 |
| R47.htm | 19937 | 2013-07-26 12:13:16 |
| R47.xml | 21297 | 2013-07-26 12:13:16 |
| R48.htm | 38639 | 2013-07-26 12:13:16 |
| R48.xml | 50917 | 2013-07-26 12:13:16 |
| R49.htm | 10258 | 2013-07-26 12:13:16 |
| R49.xml | 12664 | 2013-07-26 12:13:16 |
| R5.htm | 18591 | 2013-07-26 12:13:16 |
| R5.xml | 26859 | 2013-07-26 12:13:16 |
| R50.htm | 6581 | 2013-07-26 12:13:16 |
| R50.xml | 6828 | 2013-07-26 12:13:16 |
| R51.htm | 12834 | 2013-07-26 12:13:16 |
| R51.xml | 67199 | 2013-07-26 12:13:16 |
| R52.htm | 24508 | 2013-07-26 12:13:16 |
| R52.xml | 38231 | 2013-07-26 12:13:16 |
| R53.htm | 29877 | 2013-07-26 12:13:16 |
| R53.xml | 69547 | 2013-07-26 12:13:16 |
| R54.htm | 7561 | 2013-07-26 12:13:16 |
| R54.xml | 19892 | 2013-07-26 12:13:16 |
| R55.htm | 37187 | 2013-07-26 12:13:16 |
| R55.xml | 49486 | 2013-07-26 12:13:16 |
| R56.htm | 49615 | 2013-07-26 12:13:16 |
| R56.xml | 39701 | 2013-07-26 12:13:16 |
| R57.htm | 15732 | 2013-07-26 12:13:16 |
| R57.xml | 24255 | 2013-07-26 12:13:16 |
| R58.htm | 10751 | 2013-07-26 12:13:16 |
| R58.xml | 13398 | 2013-07-26 12:13:16 |
| R59.htm | 22517 | 2013-07-26 12:13:16 |
| R59.xml | 39409 | 2013-07-26 12:13:16 |
| R6.htm | 35365 | 2013-07-26 12:13:16 |
| R6.xml | 102307 | 2013-07-26 12:13:16 |
| R60.htm | 13191 | 2013-07-26 12:13:16 |
| R60.xml | 14645 | 2013-07-26 12:13:16 |
| R7.htm | 130197 | 2013-07-26 12:13:16 |
| R7.xml | 131780 | 2013-07-26 12:13:16 |
| R8.htm | 10417 | 2013-07-26 12:13:16 |
| R8.xml | 10007 | 2013-07-26 12:13:16 |
| R9.htm | 29355 | 2013-07-26 12:13:16 |
| R9.xml | 30920 | 2013-07-26 12:13:16 |
| report.css | 2741 | 2013-07-26 12:13:16 |
| Show.js | 1410 | 2013-07-26 12:13:16 |