| Document and Entity Information | Feb. 08, 2023 |
| Cover [Abstract] | |
| Entity Registrant Name | Horizon Global Corp |
| Amendment Flag | false |
| Entity Central Index Key | 0001637655 |
| Current Fiscal Year End Date | --12-31 |
| Document Type | 8-K |
| Document Period End Date | Feb. 08, 2023 |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-37427 |
| Entity Tax Identification Number | 47-3574483 |
| Entity Address, Address Line One | 47912 Halyard Drive |
| Entity Address, Address Line Two | Suite 100 |
| Entity Address, City or Town | Plymouth |
| Entity Address, State or Province | MI |
| Entity Address, Postal Zip Code | 48170 |
| City Area Code | (734) |
| Local Phone Number | 656-3000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock, par value $0.01 per share |
| Trading Symbol | HZN |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
