Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-19-007189-index-headers.html | 2019-03-11 16:24:52 | |
| 0001564590-19-007189-index.html | 2019-03-11 16:24:52 | |
| 0001564590-19-007189.txt | 2019-03-11 16:24:52 | |
 0001564590-19-007189-xbrl.zip | 477674 | 2019-03-11 16:24:52 |
| FilingSummary.xml | 82400 | 2019-03-11 16:24:52 |
| Financial_Report.xlsx | 196903 | 2019-03-11 16:24:52 |
 gph5ptzkqhq5000001.jpg | 20255 | 2019-03-11 16:24:52 |
| R1.htm | 35593 | 2019-03-11 16:24:52 |
| R10.htm | 122642 | 2019-03-11 16:24:52 |
| R100.htm | 5233 | 2019-03-11 16:24:52 |
| R101.htm | 202268 | 2019-03-11 16:24:52 |
| R102.htm | 50130 | 2019-03-11 16:24:52 |
| R103.htm | 17336 | 2019-03-11 16:24:52 |
| R104.htm | 14993 | 2019-03-11 16:24:52 |
| R105.htm | 16658 | 2019-03-11 16:24:52 |
| R106.htm | 13050 | 2019-03-11 16:24:52 |
| R107.htm | 47490 | 2019-03-11 16:24:52 |
| R108.htm | 34432 | 2019-03-11 16:24:52 |
| R109.htm | 42342 | 2019-03-11 16:24:52 |
| R11.htm | 29821 | 2019-03-11 16:24:52 |
| R110.htm | 32080 | 2019-03-11 16:24:52 |
| R111.htm | 84948 | 2019-03-11 16:24:52 |
| R112.htm | 21855 | 2019-03-11 16:24:52 |
| R113.htm | 56550 | 2019-03-11 16:24:52 |
| R114.htm | 13070 | 2019-03-11 16:24:52 |
| R115.htm | 19382 | 2019-03-11 16:24:52 |
| R116.htm | 8157 | 2019-03-11 16:24:52 |
| R117.htm | 14001 | 2019-03-11 16:24:52 |
| R118.htm | 50215 | 2019-03-11 16:24:52 |
| R119.htm | 36652 | 2019-03-11 16:24:52 |
| R12.htm | 47317 | 2019-03-11 16:24:52 |
| R120.htm | 44661 | 2019-03-11 16:24:52 |
| R121.htm | 36749 | 2019-03-11 16:24:52 |
| R122.htm | 51657 | 2019-03-11 16:24:52 |
| R13.htm | 127965 | 2019-03-11 16:24:52 |
| R14.htm | 123638 | 2019-03-11 16:24:52 |
| R15.htm | 18349 | 2019-03-11 16:24:52 |
| R16.htm | 95847 | 2019-03-11 16:24:52 |
| R17.htm | 75110 | 2019-03-11 16:24:52 |
| R18.htm | 573731 | 2019-03-11 16:24:52 |
| R19.htm | 91902 | 2019-03-11 16:24:52 |
| R2.htm | 151242 | 2019-03-11 16:24:52 |
| R20.htm | 48804 | 2019-03-11 16:24:52 |
| R21.htm | 275503 | 2019-03-11 16:24:52 |
| R22.htm | 48622 | 2019-03-11 16:24:52 |
| R23.htm | 120877 | 2019-03-11 16:24:52 |
| R24.htm | 51549 | 2019-03-11 16:24:52 |
| R25.htm | 122525 | 2019-03-11 16:24:52 |
| R26.htm | 104366 | 2019-03-11 16:24:52 |
| R27.htm | 16402 | 2019-03-11 16:24:52 |
| R28.htm | 140686 | 2019-03-11 16:24:52 |
| R29.htm | 122872 | 2019-03-11 16:24:52 |
| R3.htm | 19180 | 2019-03-11 16:24:52 |
| R30.htm | 9885 | 2019-03-11 16:24:52 |
| R31.htm | 317705 | 2019-03-11 16:24:52 |
| R32.htm | 114387 | 2019-03-11 16:24:52 |
| R33.htm | 27573 | 2019-03-11 16:24:52 |
| R34.htm | 48036 | 2019-03-11 16:24:52 |
| R35.htm | 126105 | 2019-03-11 16:24:52 |
| R36.htm | 117116 | 2019-03-11 16:24:52 |
| R37.htm | 14536 | 2019-03-11 16:24:52 |
| R38.htm | 79041 | 2019-03-11 16:24:52 |
| R39.htm | 73031 | 2019-03-11 16:24:52 |
| R4.htm | 73148 | 2019-03-11 16:24:52 |
| R40.htm | 576397 | 2019-03-11 16:24:52 |
| R41.htm | 90911 | 2019-03-11 16:24:52 |
| R42.htm | 44289 | 2019-03-11 16:24:52 |
| R43.htm | 240671 | 2019-03-11 16:24:52 |
| R44.htm | 49272 | 2019-03-11 16:24:52 |
| R45.htm | 114530 | 2019-03-11 16:24:52 |
| R46.htm | 40740 | 2019-03-11 16:24:52 |
| R47.htm | 66152 | 2019-03-11 16:24:52 |
| R48.htm | 98835 | 2019-03-11 16:24:52 |
| R49.htm | 140486 | 2019-03-11 16:24:52 |
| R5.htm | 32988 | 2019-03-11 16:24:52 |
| R50.htm | 45388 | 2019-03-11 16:24:52 |
| R51.htm | 15303 | 2019-03-11 16:24:52 |
| R52.htm | 7264 | 2019-03-11 16:24:52 |
| R53.htm | 16599 | 2019-03-11 16:24:52 |
| R54.htm | 48498 | 2019-03-11 16:24:52 |
| R55.htm | 74953 | 2019-03-11 16:24:52 |
| R56.htm | 17105 | 2019-03-11 16:24:52 |
| R57.htm | 41483 | 2019-03-11 16:24:52 |
| R58.htm | 15850 | 2019-03-11 16:24:52 |
| R59.htm | 59955 | 2019-03-11 16:24:52 |
| R6.htm | 27139 | 2019-03-11 16:24:52 |
| R60.htm | 51636 | 2019-03-11 16:24:52 |
| R61.htm | 49647 | 2019-03-11 16:24:52 |
| R62.htm | 17427 | 2019-03-11 16:24:52 |
| R63.htm | 20014 | 2019-03-11 16:24:52 |
| R64.htm | 20845 | 2019-03-11 16:24:52 |
| R65.htm | 24150 | 2019-03-11 16:24:52 |
| R66.htm | 33525 | 2019-03-11 16:24:52 |
| R67.htm | 18466 | 2019-03-11 16:24:52 |
| R68.htm | 35002 | 2019-03-11 16:24:52 |
| R69.htm | 11672 | 2019-03-11 16:24:52 |
| R7.htm | 133496 | 2019-03-11 16:24:52 |
| R70.htm | 42975 | 2019-03-11 16:24:52 |
| R71.htm | 9152 | 2019-03-11 16:24:52 |
| R72.htm | 10485 | 2019-03-11 16:24:52 |
| R73.htm | 36340 | 2019-03-11 16:24:52 |
| R74.htm | 39657 | 2019-03-11 16:24:52 |
| R75.htm | 87392 | 2019-03-11 16:24:52 |
| R76.htm | 64446 | 2019-03-11 16:24:52 |
| R77.htm | 13160 | 2019-03-11 16:24:52 |
| R78.htm | 29337 | 2019-03-11 16:24:52 |
| R79.htm | 17672 | 2019-03-11 16:24:52 |
| R8.htm | 49775 | 2019-03-11 16:24:52 |
| R80.htm | 19571 | 2019-03-11 16:24:52 |
| R81.htm | 54289 | 2019-03-11 16:24:52 |
| R82.htm | 15186 | 2019-03-11 16:24:52 |
| R83.htm | 63786 | 2019-03-11 16:24:52 |
| R84.htm | 15519 | 2019-03-11 16:24:52 |
| R85.htm | 85565 | 2019-03-11 16:24:52 |
| R86.htm | 27125 | 2019-03-11 16:24:52 |
| R87.htm | 15500 | 2019-03-11 16:24:52 |
| R88.htm | 14614 | 2019-03-11 16:24:52 |
| R89.htm | 9020 | 2019-03-11 16:24:52 |
| R9.htm | 319835 | 2019-03-11 16:24:52 |
| R90.htm | 15766 | 2019-03-11 16:24:52 |
| R91.htm | 27682 | 2019-03-11 16:24:52 |
| R92.htm | 88797 | 2019-03-11 16:24:52 |
| R93.htm | 22946 | 2019-03-11 16:24:52 |
| R94.htm | 66833 | 2019-03-11 16:24:52 |
| R95.htm | 29311 | 2019-03-11 16:24:52 |
| R96.htm | 25099 | 2019-03-11 16:24:52 |
| R97.htm | 38432 | 2019-03-11 16:24:52 |
| R98.htm | 82456 | 2019-03-11 16:24:52 |
| R99.htm | 20613 | 2019-03-11 16:24:52 |
| report.css | 2768 | 2019-03-11 16:24:52 |
| Show.js | 1086 | 2019-03-11 16:24:52 |
| vhi-10k_20181231.htm | 5028769 | 2019-03-11 16:24:52 |
| vhi-20181231.xml | 6394211 | 2019-03-11 16:24:52 |
| vhi-20181231.xsd | 164080 | 2019-03-11 16:24:52 |
| vhi-20181231_cal.xml | 170679 | 2019-03-11 16:24:52 |
| vhi-20181231_def.xml | 769097 | 2019-03-11 16:24:52 |
| vhi-20181231_lab.xml | 1157471 | 2019-03-11 16:24:52 |
| vhi-20181231_pre.xml | 1092069 | 2019-03-11 16:24:52 |
| vhi-ex1010_403.htm | 15127 | 2019-03-11 16:24:52 |
| vhi-ex1022_404.htm | 66462 | 2019-03-11 16:24:52 |
| vhi-ex1023_79.htm | 14270 | 2019-03-11 16:24:52 |
| vhi-ex211_10.htm | 45228 | 2019-03-11 16:24:52 |
| vhi-ex231_6.htm | 2999 | 2019-03-11 16:24:52 |
| vhi-ex311_7.htm | 15299 | 2019-03-11 16:24:52 |
| vhi-ex312_9.htm | 15409 | 2019-03-11 16:24:52 |
| vhi-ex321_8.htm | 6800 | 2019-03-11 16:24:52 |