Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000717423-19-000020-index-headers.html | 2019-02-27 19:02:03 | |
| 0000717423-19-000020-index.html | 2019-02-27 19:02:03 | |
| 0000717423-19-000020.txt | 2019-02-27 19:02:03 | |
 0000717423-19-000020-xbrl.zip | 485500 | 2019-02-27 19:02:03 |
| FilingSummary.xml | 81635 | 2019-02-27 19:02:03 |
| Financial_Report.xlsx | 214728 | 2019-02-27 19:02:03 |
| mur-20181231.xml | 8497623 | 2019-02-27 19:02:03 |
| mur-20181231.xsd | 116084 | 2019-02-27 19:02:03 |
| mur-20181231x10ka.htm | 69544 | 2019-02-27 19:02:03 |
 mur-20181231x10kag001.jpg | 408408 | 2019-02-27 19:02:03 |
| mur-20181231xex31_1.htm | 18378 | 2019-02-27 19:02:03 |
| mur-20181231xex31_2.htm | 18545 | 2019-02-27 19:02:03 |
| mur-20181231xex32_1.htm | 13280 | 2019-02-27 19:02:03 |
| mur-20181231_cal.xml | 139375 | 2019-02-27 19:02:03 |
| mur-20181231_def.xml | 543647 | 2019-02-27 19:02:03 |
| mur-20181231_lab.xml | 956871 | 2019-02-27 19:02:03 |
| mur-20181231_pre.xml | 915516 | 2019-02-27 19:02:03 |
| R1.htm | 29984 | 2019-02-27 19:02:03 |
| R10.htm | 36719 | 2019-02-27 19:02:03 |
| R100.htm | 18779 | 2019-02-27 19:02:03 |
| R101.htm | 11267 | 2019-02-27 19:02:03 |
| R102.htm | 12684 | 2019-02-27 19:02:03 |
| R103.htm | 10960 | 2019-02-27 19:02:03 |
| R104.htm | 6866 | 2019-02-27 19:02:03 |
| R105.htm | 13997 | 2019-02-27 19:02:03 |
| R106.htm | 24938 | 2019-02-27 19:02:03 |
| R107.htm | 36440 | 2019-02-27 19:02:03 |
| R108.htm | 11658 | 2019-02-27 19:02:03 |
| R109.htm | 28095 | 2019-02-27 19:02:03 |
| R11.htm | 24953 | 2019-02-27 19:02:03 |
| R110.htm | 8229 | 2019-02-27 19:02:03 |
| R111.htm | 5752 | 2019-02-27 19:02:03 |
| R112.htm | 42277 | 2019-02-27 19:02:03 |
| R113.htm | 13204 | 2019-02-27 19:02:03 |
| R114.htm | 18504 | 2019-02-27 19:02:03 |
| R115.htm | 8208 | 2019-02-27 19:02:03 |
| R116.htm | 139391 | 2019-02-27 19:02:03 |
| R117.htm | 13546 | 2019-02-27 19:02:03 |
| R118.htm | 62098 | 2019-02-27 19:02:03 |
| R119.htm | 170415 | 2019-02-27 19:02:03 |
| R12.htm | 134735 | 2019-02-27 19:02:03 |
| R120.htm | 54901 | 2019-02-27 19:02:03 |
| R121.htm | 123828 | 2019-02-27 19:02:03 |
| R122.htm | 41013 | 2019-02-27 19:02:03 |
| R123.htm | 28745 | 2019-02-27 19:02:03 |
| R124.htm | 33138 | 2019-02-27 19:02:03 |
| R125.htm | 40506 | 2019-02-27 19:02:03 |
| R126.htm | 18759 | 2019-02-27 19:02:03 |
| R13.htm | 47277 | 2019-02-27 19:02:03 |
| R14.htm | 56449 | 2019-02-27 19:02:03 |
| R15.htm | 17839 | 2019-02-27 19:02:03 |
| R16.htm | 168500 | 2019-02-27 19:02:03 |
| R17.htm | 50056 | 2019-02-27 19:02:03 |
| R18.htm | 34552 | 2019-02-27 19:02:03 |
| R19.htm | 154200 | 2019-02-27 19:02:03 |
| R2.htm | 84307 | 2019-02-27 19:02:03 |
| R20.htm | 209430 | 2019-02-27 19:02:03 |
| R21.htm | 537659 | 2019-02-27 19:02:03 |
| R22.htm | 62650 | 2019-02-27 19:02:03 |
| R23.htm | 35535 | 2019-02-27 19:02:03 |
| R24.htm | 51028 | 2019-02-27 19:02:03 |
| R25.htm | 56310 | 2019-02-27 19:02:03 |
| R26.htm | 182540 | 2019-02-27 19:02:03 |
| R27.htm | 11920 | 2019-02-27 19:02:03 |
| R28.htm | 14799 | 2019-02-27 19:02:03 |
| R29.htm | 26407 | 2019-02-27 19:02:03 |
| R3.htm | 19579 | 2019-02-27 19:02:03 |
| R30.htm | 344119 | 2019-02-27 19:02:03 |
| R31.htm | 1122821 | 2019-02-27 19:02:03 |
| R32.htm | 108433 | 2019-02-27 19:02:03 |
| R33.htm | 66972 | 2019-02-27 19:02:03 |
| R34.htm | 86800 | 2019-02-27 19:02:03 |
| R35.htm | 121066 | 2019-02-27 19:02:03 |
| R36.htm | 38118 | 2019-02-27 19:02:03 |
| R37.htm | 55794 | 2019-02-27 19:02:03 |
| R38.htm | 17677 | 2019-02-27 19:02:03 |
| R39.htm | 154615 | 2019-02-27 19:02:03 |
| R4.htm | 102509 | 2019-02-27 19:02:03 |
| R40.htm | 38672 | 2019-02-27 19:02:03 |
| R41.htm | 31396 | 2019-02-27 19:02:03 |
| R42.htm | 145381 | 2019-02-27 19:02:03 |
| R43.htm | 195484 | 2019-02-27 19:02:03 |
| R44.htm | 532825 | 2019-02-27 19:02:03 |
| R45.htm | 52003 | 2019-02-27 19:02:03 |
| R46.htm | 35696 | 2019-02-27 19:02:03 |
| R47.htm | 45688 | 2019-02-27 19:02:03 |
| R48.htm | 54220 | 2019-02-27 19:02:03 |
| R49.htm | 177041 | 2019-02-27 19:02:03 |
| R5.htm | 24943 | 2019-02-27 19:02:03 |
| R50.htm | 25332 | 2019-02-27 19:02:03 |
| R51.htm | 339526 | 2019-02-27 19:02:03 |
| R52.htm | 1074848 | 2019-02-27 19:02:03 |
| R53.htm | 107863 | 2019-02-27 19:02:03 |
| R54.htm | 37074 | 2019-02-27 19:02:03 |
| R55.htm | 21964 | 2019-02-27 19:02:03 |
| R56.htm | 16390 | 2019-02-27 19:02:03 |
| R57.htm | 83536 | 2019-02-27 19:02:03 |
| R58.htm | 18298 | 2019-02-27 19:02:03 |
| R59.htm | 44551 | 2019-02-27 19:02:03 |
| R6.htm | 86818 | 2019-02-27 19:02:03 |
| R60.htm | 23813 | 2019-02-27 19:02:03 |
| R61.htm | 10642 | 2019-02-27 19:02:03 |
| R62.htm | 21464 | 2019-02-27 19:02:03 |
| R63.htm | 17120 | 2019-02-27 19:02:03 |
| R64.htm | 8877 | 2019-02-27 19:02:03 |
| R65.htm | 111011 | 2019-02-27 19:02:03 |
| R66.htm | 19325 | 2019-02-27 19:02:03 |
| R67.htm | 10553 | 2019-02-27 19:02:03 |
| R68.htm | 11672 | 2019-02-27 19:02:03 |
| R69.htm | 22602 | 2019-02-27 19:02:03 |
| R7.htm | 4254 | 2019-02-27 19:02:03 |
| R70.htm | 79200 | 2019-02-27 19:02:03 |
| R71.htm | 43808 | 2019-02-27 19:02:03 |
| R72.htm | 21104 | 2019-02-27 19:02:03 |
| R73.htm | 9385 | 2019-02-27 19:02:03 |
| R74.htm | 60837 | 2019-02-27 19:02:03 |
| R75.htm | 39103 | 2019-02-27 19:02:03 |
| R76.htm | 30376 | 2019-02-27 19:02:03 |
| R77.htm | 38650 | 2019-02-27 19:02:03 |
| R78.htm | 11040 | 2019-02-27 19:02:03 |
| R79.htm | 75006 | 2019-02-27 19:02:03 |
| R8.htm | 65574 | 2019-02-27 19:02:03 |
| R80.htm | 7668 | 2019-02-27 19:02:03 |
| R81.htm | 20843 | 2019-02-27 19:02:03 |
| R82.htm | 33229 | 2019-02-27 19:02:03 |
| R83.htm | 33287 | 2019-02-27 19:02:03 |
| R84.htm | 13575 | 2019-02-27 19:02:03 |
| R85.htm | 20991 | 2019-02-27 19:02:03 |
| R86.htm | 13569 | 2019-02-27 19:02:03 |
| R87.htm | 95364 | 2019-02-27 19:02:03 |
| R88.htm | 77908 | 2019-02-27 19:02:03 |
| R89.htm | 13857 | 2019-02-27 19:02:03 |
| R9.htm | 17472 | 2019-02-27 19:02:03 |
| R90.htm | 12978 | 2019-02-27 19:02:03 |
| R91.htm | 18011 | 2019-02-27 19:02:03 |
| R92.htm | 25568 | 2019-02-27 19:02:03 |
| R93.htm | 23802 | 2019-02-27 19:02:03 |
| R94.htm | 19401 | 2019-02-27 19:02:03 |
| R95.htm | 19353 | 2019-02-27 19:02:03 |
| R96.htm | 11479 | 2019-02-27 19:02:03 |
| R97.htm | 11706 | 2019-02-27 19:02:03 |
| R98.htm | 63228 | 2019-02-27 19:02:03 |
| R99.htm | 16606 | 2019-02-27 19:02:03 |
| report.css | 2768 | 2019-02-27 19:02:03 |
| Show.js | 1086 | 2019-02-27 19:02:03 |