| Cover | Sep. 03, 2020 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Sep. 3, 2020 |
| Entity Registrant Name | CONN’S, INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-34956 |
| Entity Tax Identification Number | 06-1672840 |
| Entity Address, Address Line One | 2445 Technology Forest Blvd., |
| Entity Address, Address Line Two | Suite 800, |
| Entity Address, City or Town | The Woodlands, |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 77381 |
| City Area Code | 936 |
| Local Phone Number | 230-5899 |
| 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 | CONN |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Amendment Flag | false |
| Entity Central Index Key | 0001223389 |
