| Document and Entity Information | Feb. 07, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Feb. 07, 2024 |
| Entity Registrant Name | Phibro Animal Health Corporation |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-36410 |
| Entity Tax Identification Number | 13-1840497 |
| Entity Address, Address Line One | Glenpointe Centre East, 3rd Floor |
| Entity Address, Adress Line Two | 300 Frank W. Burr Boulevard, Suite 21 |
| Entity Address, City or Town | Teaneck |
| Entity Address State Or Province | NJ |
| Entity Address, Postal Zip Code | 07666-6712 |
| City Area Code | 201 |
| Local Phone Number | 329-7300 |
| Title of 12(b) Security | Class A Common Stock, $0.0001 par value per share |
| Trading Symbol | PAHC |
| Security Exchange Name | NASDAQ |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001069899 |
| Amendment Flag | false |
