| Cover | Sep. 15, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Sep. 15, 2021 |
| Entity File Number | 001-38134 |
| Entity Registrant Name | Blue Apron Holdings, Inc. |
| Entity Central Index Key | 0001701114 |
| Entity Tax Identification Number | 81-4777373 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 28 Liberty Street |
| Entity Address, City or Town | New York |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 10005 |
| City Area Code | 347 |
| Local Phone Number | 719-4312 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Class A Common Stock, $0.0001 par value per share |
| Trading Symbol | APRN |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
