Document and Entity Information
Document and Entity Information | Jan. 29, 2021 |
Cover [Abstract] | |
Document Type | 8-K |
Document Period End Date | Jan. 29, 2021 |
Entity Registrant Name | GENTEX CORPORATION |
Entity Central Index Key | 0000355811 |
Amendment Flag | false |
Entity Incorporation, State or Country Code | MI |
Entity File Number | 0-10235 |
Entity Tax Identification Number | 38-2030505 |
Entity Address, Address Line One | 600 North Centennial Street |
Entity Address, City or Town | Zeeland |
Entity Address, State or Province | MI |
Entity Address, Postal Zip Code | 49464 |
City Area Code | 616 |
Local Phone Number | 772-1800 |
Written Communications | false |
Soliciting Material | false |
Pre-commencement Tender Offer | false |
Pre-commencement Issuer Tender Offer | false |
Title of 12(b) Security | Common Stock, par value $0.06 per share |
Trading Symbol | GNTX |
Security Exchange Name | NASDAQ |
Entity Emerging Growth Company | false |