| Document and Entity Information Document | Nov. 12, 2020 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Nov. 12, 2020 |
| Entity Registrant Name | BEAZER HOMES USA, INC. |
| Entity Central Index Key | 0000915840 |
| Amendment Flag | false |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-12822 |
| Entity Tax Identification Number | 54-2086934 |
| Entity Address, Address Line One | 1000 Abernathy Road |
| Entity Address, Address Line Two | Suite 260 |
| Entity Address, City or Town | Atlanta |
| Entity Address, State or Province | GA |
| Entity Address, Postal Zip Code | 30328 |
| City Area Code | 770 |
| Local Phone Number | 829-3700 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.001 par value |
| Trading Symbol | BZH |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
