| Cover | Jun. 09, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Jun. 9, 2022 |
| Entity Registrant Name | Atlas Financial Holdings, Inc. |
| Entity Central Index Key | 0001539894 |
| Amendment Flag | false |
| Entity Incorporation, State or Country Code | E9 |
| Entity File Number | 000-54627 |
| Entity Tax Identification Number | 27-5466079 |
| Entity Address, Address Line One | 953 American Lane |
| Entity Address, Address Line Two | 3rd Floor |
| Entity Address, City or Town | Schaumburg |
| Entity Address, State or Province | IL |
| Entity Address, Postal Zip Code | 60173 |
| City Area Code | 847 |
| Local Phone Number | 472-6700 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
