Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-036502-index-headers.html | 2021-02-10 17:28:31 | |
| 0001193125-21-036502-index.html | 2021-02-10 17:28:31 | |
| 0001193125-21-036502.txt | 2021-02-10 17:28:31 | |
 0001193125-21-036502-xbrl.zip | 829564 | 2021-02-10 17:28:31 |
| d848626d40f.htm | 54368 | 2021-02-10 17:28:31 |
| d848626dex991.htm | 2507119 | 2021-02-10 17:28:31 |
| d848626dex992.htm | 1774699 | 2021-02-10 17:28:31 |
| d848626dex993.htm | 757782 | 2021-02-10 17:28:31 |
| d848626dex994.htm | 10279 | 2021-02-10 17:28:31 |
| d848626dex995.htm | 10314 | 2021-02-10 17:28:31 |
| d848626dex996.htm | 3996 | 2021-02-10 17:28:31 |
| d848626dex997.htm | 3788 | 2021-02-10 17:28:31 |
| d848626dex998.htm | 11121 | 2021-02-10 17:28:31 |
| d848626dex999.htm | 2439 | 2021-02-10 17:28:31 |
| FilingSummary.xml | 131637 | 2021-02-10 17:28:31 |
| Financial_Report.xlsx | 387386 | 2021-02-10 17:28:31 |
 g848626gra006.jpg | 9620 | 2021-02-10 17:28:31 |
 g848630footerlogo.jpg | 17932 | 2021-02-10 17:28:31 |
 g848630g11r54.jpg | 91964 | 2021-02-10 17:28:31 |
 g848630g12e64.jpg | 24527 | 2021-02-10 17:28:31 |
 g848630g13a10.jpg | 25348 | 2021-02-10 17:28:31 |
 g848630g13b11.jpg | 26080 | 2021-02-10 17:28:31 |
 g848630g13c13.jpg | 25774 | 2021-02-10 17:28:31 |
 g848630g13d14.jpg | 28588 | 2021-02-10 17:28:31 |
 g848630g13e15.jpg | 30347 | 2021-02-10 17:28:31 |
 g848630g15v79.jpg | 51520 | 2021-02-10 17:28:31 |
 g848630g23p08.jpg | 53292 | 2021-02-10 17:28:31 |
 g848630g28f36.jpg | 52386 | 2021-02-10 17:28:31 |
 g848630g30y54.jpg | 47712 | 2021-02-10 17:28:31 |
 g848630g34a42.jpg | 26025 | 2021-02-10 17:28:31 |
 g848630g49k99.jpg | 122001 | 2021-02-10 17:28:31 |
 g848630g78c24.jpg | 52480 | 2021-02-10 17:28:31 |
 g848630g86i72.jpg | 17320 | 2021-02-10 17:28:31 |
 g848630g89e79.jpg | 26973 | 2021-02-10 17:28:31 |
 g848630g91f59.jpg | 52968 | 2021-02-10 17:28:31 |
| mfc-20201231.xml | 12849955 | 2021-02-10 17:28:31 |
| mfc-20201231.xsd | 314349 | 2021-02-10 17:28:31 |
| mfc-20201231_cal.xml | 84285 | 2021-02-10 17:28:31 |
| mfc-20201231_def.xml | 1238366 | 2021-02-10 17:28:31 |
| mfc-20201231_lab.xml | 1610582 | 2021-02-10 17:28:31 |
| mfc-20201231_pre.xml | 1528071 | 2021-02-10 17:28:31 |
| R1.htm | 63771 | 2021-02-10 17:28:31 |
| R10.htm | 434073 | 2021-02-10 17:28:31 |
| R100.htm | 90421 | 2021-02-10 17:28:31 |
| R101.htm | 21659 | 2021-02-10 17:28:31 |
| R102.htm | 41178 | 2021-02-10 17:28:31 |
| R103.htm | 23363 | 2021-02-10 17:28:31 |
| R104.htm | 18542 | 2021-02-10 17:28:31 |
| R105.htm | 21825 | 2021-02-10 17:28:31 |
| R106.htm | 44854 | 2021-02-10 17:28:31 |
| R107.htm | 13126 | 2021-02-10 17:28:31 |
| R108.htm | 12358 | 2021-02-10 17:28:31 |
| R109.htm | 16009 | 2021-02-10 17:28:31 |
| R11.htm | 140090 | 2021-02-10 17:28:31 |
| R110.htm | 17279 | 2021-02-10 17:28:31 |
| R111.htm | 23289 | 2021-02-10 17:28:31 |
| R112.htm | 17343 | 2021-02-10 17:28:31 |
| R113.htm | 35367 | 2021-02-10 17:28:31 |
| R114.htm | 5624 | 2021-02-10 17:28:31 |
| R115.htm | 8221 | 2021-02-10 17:28:31 |
| R116.htm | 8801 | 2021-02-10 17:28:31 |
| R117.htm | 68336 | 2021-02-10 17:28:31 |
| R118.htm | 52877 | 2021-02-10 17:28:31 |
| R119.htm | 5939 | 2021-02-10 17:28:31 |
| R12.htm | 362229 | 2021-02-10 17:28:31 |
| R120.htm | 69617 | 2021-02-10 17:28:31 |
| R121.htm | 43910 | 2021-02-10 17:28:31 |
| R122.htm | 22085 | 2021-02-10 17:28:31 |
| R123.htm | 19857 | 2021-02-10 17:28:31 |
| R124.htm | 6750 | 2021-02-10 17:28:31 |
| R125.htm | 8876 | 2021-02-10 17:28:31 |
| R126.htm | 6273 | 2021-02-10 17:28:31 |
| R127.htm | 36146 | 2021-02-10 17:28:31 |
| R128.htm | 12968 | 2021-02-10 17:28:31 |
| R129.htm | 64007 | 2021-02-10 17:28:31 |
| R13.htm | 57974 | 2021-02-10 17:28:31 |
| R130.htm | 75755 | 2021-02-10 17:28:31 |
| R131.htm | 31116 | 2021-02-10 17:28:31 |
| R132.htm | 26104 | 2021-02-10 17:28:31 |
| R133.htm | 14716 | 2021-02-10 17:28:31 |
| R134.htm | 25069 | 2021-02-10 17:28:31 |
| R135.htm | 55394 | 2021-02-10 17:28:31 |
| R136.htm | 25198 | 2021-02-10 17:28:31 |
| R137.htm | 26019 | 2021-02-10 17:28:31 |
| R138.htm | 48759 | 2021-02-10 17:28:31 |
| R139.htm | 10403 | 2021-02-10 17:28:31 |
| R14.htm | 397060 | 2021-02-10 17:28:31 |
| R140.htm | 23989 | 2021-02-10 17:28:31 |
| R141.htm | 21573 | 2021-02-10 17:28:31 |
| R142.htm | 22284 | 2021-02-10 17:28:31 |
| R143.htm | 23311 | 2021-02-10 17:28:31 |
| R144.htm | 17641 | 2021-02-10 17:28:31 |
| R145.htm | 18237 | 2021-02-10 17:28:31 |
| R146.htm | 15159 | 2021-02-10 17:28:31 |
| R147.htm | 12299 | 2021-02-10 17:28:31 |
| R148.htm | 14035 | 2021-02-10 17:28:31 |
| R149.htm | 20635 | 2021-02-10 17:28:31 |
| R15.htm | 47222 | 2021-02-10 17:28:31 |
| R150.htm | 8543 | 2021-02-10 17:28:31 |
| R151.htm | 9646 | 2021-02-10 17:28:31 |
| R152.htm | 34638 | 2021-02-10 17:28:31 |
| R153.htm | 22273 | 2021-02-10 17:28:31 |
| R154.htm | 10057 | 2021-02-10 17:28:31 |
| R155.htm | 50695 | 2021-02-10 17:28:31 |
| R156.htm | 13831 | 2021-02-10 17:28:31 |
| R157.htm | 16952 | 2021-02-10 17:28:31 |
| R158.htm | 11510 | 2021-02-10 17:28:31 |
| R159.htm | 31295 | 2021-02-10 17:28:31 |
| R16.htm | 59651 | 2021-02-10 17:28:31 |
| R160.htm | 25199 | 2021-02-10 17:28:31 |
| R161.htm | 22448 | 2021-02-10 17:28:31 |
| R162.htm | 32767 | 2021-02-10 17:28:31 |
| R163.htm | 24025 | 2021-02-10 17:28:31 |
| R164.htm | 11977 | 2021-02-10 17:28:31 |
| R165.htm | 91747 | 2021-02-10 17:28:31 |
| R166.htm | 37554 | 2021-02-10 17:28:31 |
| R167.htm | 15268 | 2021-02-10 17:28:31 |
| R168.htm | 224639 | 2021-02-10 17:28:31 |
| R169.htm | 18466 | 2021-02-10 17:28:31 |
| R17.htm | 119740 | 2021-02-10 17:28:31 |
| R170.htm | 24710 | 2021-02-10 17:28:31 |
| R171.htm | 26801 | 2021-02-10 17:28:31 |
| R172.htm | 65231 | 2021-02-10 17:28:31 |
| R173.htm | 81113 | 2021-02-10 17:28:31 |
| R174.htm | 171299 | 2021-02-10 17:28:31 |
| R175.htm | 27596 | 2021-02-10 17:28:31 |
| R176.htm | 36969 | 2021-02-10 17:28:31 |
| R177.htm | 25204 | 2021-02-10 17:28:31 |
| R178.htm | 8099 | 2021-02-10 17:28:31 |
| R179.htm | 33058 | 2021-02-10 17:28:31 |
| R18.htm | 25215 | 2021-02-10 17:28:31 |
| R180.htm | 13888 | 2021-02-10 17:28:31 |
| R181.htm | 14957 | 2021-02-10 17:28:31 |
| R182.htm | 31698 | 2021-02-10 17:28:31 |
| R183.htm | 13498 | 2021-02-10 17:28:31 |
| R184.htm | 16230 | 2021-02-10 17:28:31 |
| R185.htm | 5331 | 2021-02-10 17:28:31 |
| R186.htm | 11013 | 2021-02-10 17:28:31 |
| R187.htm | 27425 | 2021-02-10 17:28:31 |
| R188.htm | 5902 | 2021-02-10 17:28:31 |
| R19.htm | 56948 | 2021-02-10 17:28:31 |
| R2.htm | 106415 | 2021-02-10 17:28:31 |
| R20.htm | 68923 | 2021-02-10 17:28:31 |
| R21.htm | 332228 | 2021-02-10 17:28:31 |
| R22.htm | 137265 | 2021-02-10 17:28:31 |
| R23.htm | 78182 | 2021-02-10 17:28:31 |
| R24.htm | 110743 | 2021-02-10 17:28:31 |
| R25.htm | 199527 | 2021-02-10 17:28:31 |
| R26.htm | 16153 | 2021-02-10 17:28:31 |
| R27.htm | 78828 | 2021-02-10 17:28:31 |
| R28.htm | 57347 | 2021-02-10 17:28:31 |
| R29.htm | 535257 | 2021-02-10 17:28:31 |
| R3.htm | 77154 | 2021-02-10 17:28:31 |
| R30.htm | 4990 | 2021-02-10 17:28:31 |
| R31.htm | 442093 | 2021-02-10 17:28:31 |
| R32.htm | 131382 | 2021-02-10 17:28:31 |
| R33.htm | 703268 | 2021-02-10 17:28:31 |
| R34.htm | 430782 | 2021-02-10 17:28:31 |
| R35.htm | 133751 | 2021-02-10 17:28:31 |
| R36.htm | 309365 | 2021-02-10 17:28:31 |
| R37.htm | 59829 | 2021-02-10 17:28:31 |
| R38.htm | 397869 | 2021-02-10 17:28:31 |
| R39.htm | 46475 | 2021-02-10 17:28:31 |
| R4.htm | 83377 | 2021-02-10 17:28:31 |
| R40.htm | 56973 | 2021-02-10 17:28:31 |
| R41.htm | 113663 | 2021-02-10 17:28:31 |
| R42.htm | 14211 | 2021-02-10 17:28:31 |
| R43.htm | 53221 | 2021-02-10 17:28:31 |
| R44.htm | 62675 | 2021-02-10 17:28:31 |
| R45.htm | 336777 | 2021-02-10 17:28:31 |
| R46.htm | 139154 | 2021-02-10 17:28:31 |
| R47.htm | 71334 | 2021-02-10 17:28:31 |
| R48.htm | 102860 | 2021-02-10 17:28:31 |
| R49.htm | 197444 | 2021-02-10 17:28:31 |
| R5.htm | 65998 | 2021-02-10 17:28:31 |
| R50.htm | 14237 | 2021-02-10 17:28:31 |
| R51.htm | 77852 | 2021-02-10 17:28:31 |
| R52.htm | 57589 | 2021-02-10 17:28:31 |
| R53.htm | 526943 | 2021-02-10 17:28:31 |
| R54.htm | 291087 | 2021-02-10 17:28:31 |
| R55.htm | 14251 | 2021-02-10 17:28:31 |
| R56.htm | 92162 | 2021-02-10 17:28:31 |
| R57.htm | 65653 | 2021-02-10 17:28:31 |
| R58.htm | 16322 | 2021-02-10 17:28:31 |
| R59.htm | 36824 | 2021-02-10 17:28:31 |
| R6.htm | 92348 | 2021-02-10 17:28:31 |
| R60.htm | 126246 | 2021-02-10 17:28:31 |
| R61.htm | 8190 | 2021-02-10 17:28:31 |
| R62.htm | 9027 | 2021-02-10 17:28:31 |
| R63.htm | 22074 | 2021-02-10 17:28:31 |
| R64.htm | 100706 | 2021-02-10 17:28:31 |
| R65.htm | 17825 | 2021-02-10 17:28:31 |
| R66.htm | 45918 | 2021-02-10 17:28:31 |
| R67.htm | 89244 | 2021-02-10 17:28:31 |
| R68.htm | 68413 | 2021-02-10 17:28:31 |
| R69.htm | 126411 | 2021-02-10 17:28:31 |
| R7.htm | 81209 | 2021-02-10 17:28:31 |
| R70.htm | 17737 | 2021-02-10 17:28:31 |
| R71.htm | 33084 | 2021-02-10 17:28:31 |
| R72.htm | 18400 | 2021-02-10 17:28:31 |
| R73.htm | 22661 | 2021-02-10 17:28:31 |
| R74.htm | 10036 | 2021-02-10 17:28:31 |
| R75.htm | 24131 | 2021-02-10 17:28:31 |
| R76.htm | 55038 | 2021-02-10 17:28:31 |
| R77.htm | 30216 | 2021-02-10 17:28:31 |
| R78.htm | 25174 | 2021-02-10 17:28:31 |
| R79.htm | 30610 | 2021-02-10 17:28:31 |
| R8.htm | 17128 | 2021-02-10 17:28:31 |
| R80.htm | 15956 | 2021-02-10 17:28:31 |
| R81.htm | 5317 | 2021-02-10 17:28:31 |
| R82.htm | 62690 | 2021-02-10 17:28:31 |
| R83.htm | 82191 | 2021-02-10 17:28:31 |
| R84.htm | 71620 | 2021-02-10 17:28:31 |
| R85.htm | 17621 | 2021-02-10 17:28:31 |
| R86.htm | 5783 | 2021-02-10 17:28:31 |
| R87.htm | 16390 | 2021-02-10 17:28:31 |
| R88.htm | 33822 | 2021-02-10 17:28:31 |
| R89.htm | 9477 | 2021-02-10 17:28:31 |
| R9.htm | 697645 | 2021-02-10 17:28:31 |
| R90.htm | 26340 | 2021-02-10 17:28:31 |
| R91.htm | 12412 | 2021-02-10 17:28:31 |
| R92.htm | 15723 | 2021-02-10 17:28:31 |
| R93.htm | 14625 | 2021-02-10 17:28:31 |
| R94.htm | 16608 | 2021-02-10 17:28:31 |
| R95.htm | 11964 | 2021-02-10 17:28:31 |
| R96.htm | 17960 | 2021-02-10 17:28:31 |
| R97.htm | 12238 | 2021-02-10 17:28:31 |
| R98.htm | 51590 | 2021-02-10 17:28:31 |
| R99.htm | 26095 | 2021-02-10 17:28:31 |
| report.css | 2768 | 2021-02-10 17:28:31 |
| Show.js | 1086 | 2021-02-10 17:28:31 |