Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-21-014294-index-headers.html | 2021-07-23 08:09:04 | |
| 0001628280-21-014294-index.html | 2021-07-23 08:09:04 | |
| 0001628280-21-014294.txt | 2021-07-23 08:09:04 | |
 0001628280-21-014294-xbrl.zip | 23239 | 2021-07-23 08:09:04 |
| exhibit99106302021.htm | 165864 | 2021-07-23 08:09:04 |
| FilingSummary.xml | 1707 | 2021-07-23 08:09:04 |
| Financial_Report.xlsx | 5686 | 2021-07-23 08:09:04 |
 gentex-blacka.jpg | 158578 | 2021-07-23 08:09:04 |
| gntx-20210723.htm | 32547 | 2021-07-23 08:09:04 |
| gntx-20210723.xsd | 1968 | 2021-07-23 08:09:04 |
| gntx-20210723_htm.xml | 10753 | 2021-07-23 08:09:04 |
| gntx-20210723_lab.xml | 24132 | 2021-07-23 08:09:04 |
| gntx-20210723_pre.xml | 12573 | 2021-07-23 08:09:04 |
| MetaLinks.json | 17207 | 2021-07-23 08:09:04 |
| R1.htm | 38593 | 2021-07-23 08:09:04 |
| report.css | 2767 | 2021-07-23 08:09:04 |
| Show.js | 1085 | 2021-07-23 08:09:04 |