Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000355811-23-000030-index-headers.html | 2023-04-28 08:01:52 | |
| 0000355811-23-000030-index.html | 2023-04-28 08:01:52 | |
| 0000355811-23-000030.txt | 2023-04-28 08:01:52 | |
 0000355811-23-000030-xbrl.zip | 21252 | 2023-04-28 08:01:52 |
| exhibit99103312023.htm | 134707 | 2023-04-28 08:01:52 |
| FilingSummary.xml | 1718 | 2023-04-28 08:01:52 |
| Financial_Report.xlsx | 5709 | 2023-04-28 08:01:52 |
 gentex-black.jpg | 158578 | 2023-04-28 08:01:52 |
| gntx-20230428.htm | 32620 | 2023-04-28 08:01:52 |
| gntx-20230428.xsd | 1968 | 2023-04-28 08:01:52 |
| gntx-20230428_htm.xml | 10813 | 2023-04-28 08:01:52 |
| gntx-20230428_lab.xml | 24132 | 2023-04-28 08:01:52 |
| gntx-20230428_pre.xml | 12573 | 2023-04-28 08:01:52 |
| MetaLinks.json | 17572 | 2023-04-28 08:01:52 |
| R1.htm | 38110 | 2023-04-28 08:01:52 |
| report.css | 2767 | 2023-04-28 08:01:52 |
| Show.js | 1085 | 2023-04-28 08:01:52 |