Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-21-006981-index-headers.html | 2021-02-19 17:20:28 | |
| 0001564590-21-006981-index.html | 2021-02-19 17:20:28 | |
| 0001564590-21-006981.txt | 2021-02-19 17:20:28 | |
 0001564590-21-006981-xbrl.zip | 752640 | 2021-02-19 17:20:28 |
| FilingSummary.xml | 64580 | 2021-02-19 17:20:28 |
| Financial_Report.xlsx | 140477 | 2021-02-19 17:20:28 |
 giqcyz2lwykd000001.jpg | 83559 | 2021-02-19 17:20:28 |
 giqcyz2lwykd000002.jpg | 136343 | 2021-02-19 17:20:28 |
 giqcyz2lwykd000003.jpg | 169198 | 2021-02-19 17:20:28 |
| MetaLinks.json | 1002791 | 2021-02-19 17:20:28 |
| mktx-10k_20201231.htm | 6382188 | 2021-02-19 17:20:28 |
| mktx-10k_20201231_htm.xml | 5216173 | 2021-02-19 17:20:28 |
| mktx-20201231.xsd | 88317 | 2021-02-19 17:20:28 |
| mktx-20201231_cal.xml | 119411 | 2021-02-19 17:20:28 |
| mktx-20201231_def.xml | 400192 | 2021-02-19 17:20:28 |
| mktx-20201231_lab.xml | 696799 | 2021-02-19 17:20:28 |
| mktx-20201231_pre.xml | 602435 | 2021-02-19 17:20:28 |
| mktx-ex1013_397.htm | 42087 | 2021-02-19 17:20:28 |
| mktx-ex1014_396.htm | 40377 | 2021-02-19 17:20:28 |
| mktx-ex1015_395.htm | 37207 | 2021-02-19 17:20:28 |
| mktx-ex1016_394.htm | 43868 | 2021-02-19 17:20:28 |
| mktx-ex1017_393.htm | 215133 | 2021-02-19 17:20:28 |
| mktx-ex1018_391.htm | 471320 | 2021-02-19 17:20:28 |
| mktx-ex1019_392.htm | 496890 | 2021-02-19 17:20:28 |
| mktx-ex1020_390.htm | 451445 | 2021-02-19 17:20:28 |
| mktx-ex1021_389.htm | 43197 | 2021-02-19 17:20:28 |
| mktx-ex1027_387.htm | 10900 | 2021-02-19 17:20:28 |
| mktx-ex1028_388.htm | 10909 | 2021-02-19 17:20:28 |
| mktx-ex104_398.htm | 130472 | 2021-02-19 17:20:28 |
| mktx-ex211_11.htm | 14453 | 2021-02-19 17:20:28 |
| mktx-ex231_13.htm | 3240 | 2021-02-19 17:20:28 |
| mktx-ex311_8.htm | 8756 | 2021-02-19 17:20:28 |
| mktx-ex312_7.htm | 8854 | 2021-02-19 17:20:28 |
| mktx-ex321_14.htm | 5300 | 2021-02-19 17:20:28 |
| mktx-ex322_6.htm | 5407 | 2021-02-19 17:20:28 |
| R1.htm | 63285 | 2021-02-19 17:20:28 |
| R10.htm | 6622 | 2021-02-19 17:20:28 |
| R11.htm | 199560 | 2021-02-19 17:20:28 |
| R12.htm | 7960 | 2021-02-19 17:20:28 |
| R13.htm | 519491 | 2021-02-19 17:20:28 |
| R14.htm | 26460 | 2021-02-19 17:20:28 |
| R15.htm | 41601 | 2021-02-19 17:20:28 |
| R16.htm | 77118 | 2021-02-19 17:20:28 |
| R17.htm | 44558 | 2021-02-19 17:20:28 |
| R18.htm | 207306 | 2021-02-19 17:20:28 |
| R19.htm | 58721 | 2021-02-19 17:20:28 |
| R2.htm | 77984 | 2021-02-19 17:20:28 |
| R20.htm | 294469 | 2021-02-19 17:20:28 |
| R21.htm | 42271 | 2021-02-19 17:20:28 |
| R22.htm | 9973 | 2021-02-19 17:20:28 |
| R23.htm | 71373 | 2021-02-19 17:20:28 |
| R24.htm | 9647 | 2021-02-19 17:20:28 |
| R25.htm | 71098 | 2021-02-19 17:20:28 |
| R26.htm | 7067 | 2021-02-19 17:20:28 |
| R27.htm | 31649 | 2021-02-19 17:20:28 |
| R28.htm | 499385 | 2021-02-19 17:20:28 |
| R29.htm | 245155 | 2021-02-19 17:20:28 |
| R3.htm | 27900 | 2021-02-19 17:20:28 |
| R30.htm | 172410 | 2021-02-19 17:20:28 |
| R31.htm | 525441 | 2021-02-19 17:20:28 |
| R32.htm | 26034 | 2021-02-19 17:20:28 |
| R33.htm | 40289 | 2021-02-19 17:20:28 |
| R34.htm | 76033 | 2021-02-19 17:20:28 |
| R35.htm | 43082 | 2021-02-19 17:20:28 |
| R36.htm | 210070 | 2021-02-19 17:20:28 |
| R37.htm | 54522 | 2021-02-19 17:20:28 |
| R38.htm | 290164 | 2021-02-19 17:20:28 |
| R39.htm | 40793 | 2021-02-19 17:20:28 |
| R4.htm | 89022 | 2021-02-19 17:20:28 |
| R40.htm | 71755 | 2021-02-19 17:20:28 |
| R41.htm | 65705 | 2021-02-19 17:20:28 |
| R42.htm | 30412 | 2021-02-19 17:20:28 |
| R43.htm | 501079 | 2021-02-19 17:20:28 |
| R44.htm | 7281 | 2021-02-19 17:20:28 |
| R45.htm | 61855 | 2021-02-19 17:20:28 |
| R46.htm | 19228 | 2021-02-19 17:20:28 |
| R47.htm | 14596 | 2021-02-19 17:20:28 |
| R48.htm | 14577 | 2021-02-19 17:20:28 |
| R49.htm | 16495 | 2021-02-19 17:20:28 |
| R5.htm | 19825 | 2021-02-19 17:20:28 |
| R50.htm | 7832 | 2021-02-19 17:20:28 |
| R51.htm | 7558 | 2021-02-19 17:20:28 |
| R52.htm | 31381 | 2021-02-19 17:20:28 |
| R53.htm | 50735 | 2021-02-19 17:20:28 |
| R54.htm | 10244 | 2021-02-19 17:20:28 |
| R55.htm | 10344 | 2021-02-19 17:20:28 |
| R56.htm | 35338 | 2021-02-19 17:20:28 |
| R57.htm | 7642 | 2021-02-19 17:20:28 |
| R58.htm | 19945 | 2021-02-19 17:20:28 |
| R59.htm | 19697 | 2021-02-19 17:20:28 |
| R6.htm | 8875 | 2021-02-19 17:20:28 |
| R60.htm | 36334 | 2021-02-19 17:20:28 |
| R61.htm | 23523 | 2021-02-19 17:20:28 |
| R62.htm | 12001 | 2021-02-19 17:20:28 |
| R63.htm | 21008 | 2021-02-19 17:20:28 |
| R64.htm | 19625 | 2021-02-19 17:20:28 |
| R65.htm | 21648 | 2021-02-19 17:20:28 |
| R66.htm | 4484 | 2021-02-19 17:20:28 |
| R67.htm | 29944 | 2021-02-19 17:20:28 |
| R68.htm | 29425 | 2021-02-19 17:20:28 |
| R69.htm | 19878 | 2021-02-19 17:20:28 |
| R7.htm | 44903 | 2021-02-19 17:20:28 |
| R70.htm | 24157 | 2021-02-19 17:20:28 |
| R71.htm | 6970 | 2021-02-19 17:20:28 |
| R72.htm | 35686 | 2021-02-19 17:20:28 |
| R73.htm | 20721 | 2021-02-19 17:20:28 |
| R74.htm | 123752 | 2021-02-19 17:20:28 |
| R75.htm | 16047 | 2021-02-19 17:20:28 |
| R76.htm | 11829 | 2021-02-19 17:20:28 |
| R77.htm | 37342 | 2021-02-19 17:20:28 |
| R78.htm | 10205 | 2021-02-19 17:20:28 |
| R79.htm | 18404 | 2021-02-19 17:20:28 |
| R8.htm | 6250 | 2021-02-19 17:20:28 |
| R80.htm | 22520 | 2021-02-19 17:20:28 |
| R81.htm | 7094 | 2021-02-19 17:20:28 |
| R82.htm | 45465 | 2021-02-19 17:20:28 |
| R83.htm | 20230 | 2021-02-19 17:20:28 |
| R84.htm | 16273 | 2021-02-19 17:20:28 |
| R85.htm | 7015 | 2021-02-19 17:20:28 |
| R86.htm | 20988 | 2021-02-19 17:20:28 |
| R87.htm | 4062 | 2021-02-19 17:20:28 |
| R88.htm | 12575 | 2021-02-19 17:20:28 |
| R89.htm | 18598 | 2021-02-19 17:20:28 |
| R9.htm | 116987 | 2021-02-19 17:20:28 |
| R90.htm | 8160 | 2021-02-19 17:20:28 |
| R91.htm | 22462 | 2021-02-19 17:20:28 |
| R92.htm | 87392 | 2021-02-19 17:20:28 |
| R93.htm | 69175 | 2021-02-19 17:20:28 |
| R94.htm | 127738 | 2021-02-19 17:20:28 |
| report.css | 2768 | 2021-02-19 17:20:28 |
| Show.js | 1086 | 2021-02-19 17:20:28 |