Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-21-006959-index-headers.html | 2021-02-19 16:36:13 | |
| 0001564590-21-006959-index.html | 2021-02-19 16:36:13 | |
| 0001564590-21-006959.txt | 2021-02-19 16:36:13 | |
 0001564590-21-006959-xbrl.zip | 1700006 | 2021-02-19 16:36:13 |
| FilingSummary.xml | 80113 | 2021-02-19 16:36:13 |
| Financial_Report.xlsx | 178558 | 2021-02-19 16:36:13 |
 g1p5r3ozuo5x000001.jpg | 3335 | 2021-02-19 16:36:13 |
 g1p5r3ozuo5x000026.jpg | 2895 | 2021-02-19 16:36:13 |
 g1p5r3ozuo5x000027.jpg | 241484 | 2021-02-19 16:36:13 |
 g1p5r3ozuo5x000030.jpg | 98105 | 2021-02-19 16:36:13 |
 g1p5r3ozuo5x000031.jpg | 163831 | 2021-02-19 16:36:13 |
 g1p5r3ozuo5x000033.jpg | 132622 | 2021-02-19 16:36:13 |
 g1p5r3ozuo5x000035.jpg | 160923 | 2021-02-19 16:36:13 |
 g1p5r3ozuo5x000037.jpg | 82209 | 2021-02-19 16:36:13 |
 g1p5r3ozuo5x000040.jpg | 45817 | 2021-02-19 16:36:13 |
 g1p5r3ozuo5x000041.jpg | 42532 | 2021-02-19 16:36:13 |
 g1p5r3ozuo5x000042.jpg | 51309 | 2021-02-19 16:36:13 |
 g1p5r3ozuo5x000044.jpg | 54973 | 2021-02-19 16:36:13 |
 g1p5r3ozuo5x000045.jpg | 77072 | 2021-02-19 16:36:13 |
 g1p5r3ozuo5x000048.jpg | 149213 | 2021-02-19 16:36:13 |
 g1p5r3ozuo5x000051.jpg | 67358 | 2021-02-19 16:36:13 |
 g1p5r3ozuo5x000054.jpg | 52331 | 2021-02-19 16:36:13 |
 g1p5r3ozuo5x000056.jpg | 64965 | 2021-02-19 16:36:13 |
 g1p5r3ozuo5x000057.jpg | 78741 | 2021-02-19 16:36:13 |
 g1p5r3ozuo5x000067.jpg | 52881 | 2021-02-19 16:36:13 |
 g1p5r3ozuo5x000083.jpg | 7369 | 2021-02-19 16:36:13 |
 g1p5r3ozuo5x000084.jpg | 12294 | 2021-02-19 16:36:13 |
| MetaLinks.json | 1240059 | 2021-02-19 16:36:13 |
| mlm-10k_20201231.htm | 7703380 | 2021-02-19 16:36:13 |
| mlm-10k_20201231_htm.xml | 7699149 | 2021-02-19 16:36:13 |
| mlm-20201231.xsd | 119042 | 2021-02-19 16:36:13 |
| mlm-20201231_cal.xml | 151457 | 2021-02-19 16:36:13 |
| mlm-20201231_def.xml | 396863 | 2021-02-19 16:36:13 |
| mlm-20201231_lab.xml | 889303 | 2021-02-19 16:36:13 |
| mlm-20201231_pre.xml | 738329 | 2021-02-19 16:36:13 |
| mlm-ex2101_7.htm | 128563 | 2021-02-19 16:36:13 |
| mlm-ex2301_6.htm | 2731 | 2021-02-19 16:36:13 |
| mlm-ex3101_8.htm | 23908 | 2021-02-19 16:36:13 |
| mlm-ex3102_9.htm | 24009 | 2021-02-19 16:36:13 |
| mlm-ex3201_10.htm | 6897 | 2021-02-19 16:36:13 |
| mlm-ex3202_11.htm | 6901 | 2021-02-19 16:36:13 |
| mlm-ex95_13.htm | 1399198 | 2021-02-19 16:36:13 |
| R1.htm | 65186 | 2021-02-19 16:36:13 |
| R10.htm | 370647 | 2021-02-19 16:36:13 |
| R100.htm | 17708 | 2021-02-19 16:36:13 |
| R101.htm | 23059 | 2021-02-19 16:36:13 |
| R102.htm | 13372 | 2021-02-19 16:36:13 |
| R103.htm | 48400 | 2021-02-19 16:36:13 |
| R104.htm | 17298 | 2021-02-19 16:36:13 |
| R105.htm | 44129 | 2021-02-19 16:36:13 |
| R106.htm | 13385 | 2021-02-19 16:36:13 |
| R107.htm | 17475 | 2021-02-19 16:36:13 |
| R108.htm | 25662 | 2021-02-19 16:36:13 |
| R109.htm | 16819 | 2021-02-19 16:36:13 |
| R11.htm | 131318 | 2021-02-19 16:36:13 |
| R110.htm | 54288 | 2021-02-19 16:36:13 |
| R111.htm | 45773 | 2021-02-19 16:36:13 |
| R112.htm | 12389 | 2021-02-19 16:36:13 |
| R113.htm | 17106 | 2021-02-19 16:36:13 |
| R114.htm | 14281 | 2021-02-19 16:36:13 |
| R115.htm | 4481 | 2021-02-19 16:36:13 |
| R116.htm | 23300 | 2021-02-19 16:36:13 |
| R117.htm | 12061 | 2021-02-19 16:36:13 |
| R118.htm | 21545 | 2021-02-19 16:36:13 |
| R12.htm | 260037 | 2021-02-19 16:36:13 |
| R13.htm | 5387 | 2021-02-19 16:36:13 |
| R14.htm | 30879 | 2021-02-19 16:36:13 |
| R15.htm | 34523 | 2021-02-19 16:36:13 |
| R16.htm | 47256 | 2021-02-19 16:36:13 |
| R17.htm | 115970 | 2021-02-19 16:36:13 |
| R18.htm | 8831 | 2021-02-19 16:36:13 |
| R19.htm | 274375 | 2021-02-19 16:36:13 |
| R2.htm | 80106 | 2021-02-19 16:36:13 |
| R20.htm | 779537 | 2021-02-19 16:36:13 |
| R21.htm | 208582 | 2021-02-19 16:36:13 |
| R22.htm | 173939 | 2021-02-19 16:36:13 |
| R23.htm | 6567 | 2021-02-19 16:36:13 |
| R24.htm | 87396 | 2021-02-19 16:36:13 |
| R25.htm | 313719 | 2021-02-19 16:36:13 |
| R26.htm | 207914 | 2021-02-19 16:36:13 |
| R27.htm | 88842 | 2021-02-19 16:36:13 |
| R28.htm | 5772 | 2021-02-19 16:36:13 |
| R29.htm | 5987 | 2021-02-19 16:36:13 |
| R3.htm | 49056 | 2021-02-19 16:36:13 |
| R30.htm | 163508 | 2021-02-19 16:36:13 |
| R31.htm | 426787 | 2021-02-19 16:36:13 |
| R32.htm | 333013 | 2021-02-19 16:36:13 |
| R33.htm | 124284 | 2021-02-19 16:36:13 |
| R34.htm | 267454 | 2021-02-19 16:36:13 |
| R35.htm | 30253 | 2021-02-19 16:36:13 |
| R36.htm | 35121 | 2021-02-19 16:36:13 |
| R37.htm | 45087 | 2021-02-19 16:36:13 |
| R38.htm | 113763 | 2021-02-19 16:36:13 |
| R39.htm | 272242 | 2021-02-19 16:36:13 |
| R4.htm | 14473 | 2021-02-19 16:36:13 |
| R40.htm | 788994 | 2021-02-19 16:36:13 |
| R41.htm | 204704 | 2021-02-19 16:36:13 |
| R42.htm | 177678 | 2021-02-19 16:36:13 |
| R43.htm | 80629 | 2021-02-19 16:36:13 |
| R44.htm | 307810 | 2021-02-19 16:36:13 |
| R45.htm | 209983 | 2021-02-19 16:36:13 |
| R46.htm | 90587 | 2021-02-19 16:36:13 |
| R47.htm | 85835 | 2021-02-19 16:36:13 |
| R48.htm | 11406 | 2021-02-19 16:36:13 |
| R49.htm | 14612 | 2021-02-19 16:36:13 |
| R5.htm | 99918 | 2021-02-19 16:36:13 |
| R50.htm | 38647 | 2021-02-19 16:36:13 |
| R51.htm | 38294 | 2021-02-19 16:36:13 |
| R52.htm | 22978 | 2021-02-19 16:36:13 |
| R53.htm | 28665 | 2021-02-19 16:36:13 |
| R54.htm | 16637 | 2021-02-19 16:36:13 |
| R55.htm | 33732 | 2021-02-19 16:36:13 |
| R56.htm | 7574 | 2021-02-19 16:36:13 |
| R57.htm | 22443 | 2021-02-19 16:36:13 |
| R58.htm | 22856 | 2021-02-19 16:36:13 |
| R59.htm | 20098 | 2021-02-19 16:36:13 |
| R6.htm | 14566 | 2021-02-19 16:36:13 |
| R60.htm | 7212 | 2021-02-19 16:36:13 |
| R61.htm | 16505 | 2021-02-19 16:36:13 |
| R62.htm | 17815 | 2021-02-19 16:36:13 |
| R63.htm | 4121 | 2021-02-19 16:36:13 |
| R64.htm | 12230 | 2021-02-19 16:36:13 |
| R65.htm | 5548 | 2021-02-19 16:36:13 |
| R66.htm | 16938 | 2021-02-19 16:36:13 |
| R67.htm | 22913 | 2021-02-19 16:36:13 |
| R68.htm | 12017 | 2021-02-19 16:36:13 |
| R69.htm | 30089 | 2021-02-19 16:36:13 |
| R7.htm | 92441 | 2021-02-19 16:36:13 |
| R70.htm | 34250 | 2021-02-19 16:36:13 |
| R71.htm | 75894 | 2021-02-19 16:36:13 |
| R72.htm | 27660 | 2021-02-19 16:36:13 |
| R73.htm | 15446 | 2021-02-19 16:36:13 |
| R74.htm | 7302 | 2021-02-19 16:36:13 |
| R75.htm | 32157 | 2021-02-19 16:36:13 |
| R76.htm | 42452 | 2021-02-19 16:36:13 |
| R77.htm | 19927 | 2021-02-19 16:36:13 |
| R78.htm | 37450 | 2021-02-19 16:36:13 |
| R79.htm | 15846 | 2021-02-19 16:36:13 |
| R8.htm | 67540 | 2021-02-19 16:36:13 |
| R80.htm | 29697 | 2021-02-19 16:36:13 |
| R81.htm | 25898 | 2021-02-19 16:36:13 |
| R82.htm | 27722 | 2021-02-19 16:36:13 |
| R83.htm | 26159 | 2021-02-19 16:36:13 |
| R84.htm | 22828 | 2021-02-19 16:36:13 |
| R85.htm | 12252 | 2021-02-19 16:36:13 |
| R86.htm | 22770 | 2021-02-19 16:36:13 |
| R87.htm | 23449 | 2021-02-19 16:36:13 |
| R88.htm | 11622 | 2021-02-19 16:36:13 |
| R89.htm | 18325 | 2021-02-19 16:36:13 |
| R9.htm | 4589 | 2021-02-19 16:36:13 |
| R90.htm | 19356 | 2021-02-19 16:36:13 |
| R91.htm | 33825 | 2021-02-19 16:36:13 |
| R92.htm | 19317 | 2021-02-19 16:36:13 |
| R93.htm | 9033 | 2021-02-19 16:36:13 |
| R94.htm | 71984 | 2021-02-19 16:36:13 |
| R95.htm | 41716 | 2021-02-19 16:36:13 |
| R96.htm | 26365 | 2021-02-19 16:36:13 |
| R97.htm | 19702 | 2021-02-19 16:36:13 |
| R98.htm | 12006 | 2021-02-19 16:36:13 |
| R99.htm | 25046 | 2021-02-19 16:36:13 |
| report.css | 2768 | 2021-02-19 16:36:13 |
| Show.js | 1086 | 2021-02-19 16:36:13 |