Cover
| Cover | Sep. 15, 2020 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Sep. 15, 2020 |
| Entity Registrant Name | UNIVERSAL ELECTRONICS INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 0-21044 |
| Entity Tax Identification Number | 33-0204817 |
| Entity Address, Address Line One | 15147 N. Scottsdale Road, Suite H300 |
| Entity Address, City or Town | Scottsdale |
| Entity Address, State or Province | AZ |
| Entity Address, Postal Zip Code | 85254-2494 |
| City Area Code | 480 |
| Local Phone Number | 530-3000 |
| 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 $0.01 per share |
| Trading Symbol | UEIC |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0000101984 |
| Amendment Flag | false |