| Document And Entity Information | Oct. 18, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Oct. 18, 2024 |
| Entity Registrant Name | Beachbody Company, Inc. |
| Entity Central Index Key | 0001826889 |
| Entity Emerging Growth Company | false |
| Entity File Number | 001-39735 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 85-3222090 |
| Entity Address, Address Line One | 400 Continental Blvd |
| Entity Address, Address Line Two | Suite 400 |
| Entity Address, City or Town | El Segundo |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 90245 |
| City Area Code | (310) |
| Local Phone Number | 883-9000 |
| Entity Information, Former Legal or Registered Name | N/A |
| 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, par value $0.0001 per share |
| Trading Symbol | BODI |
| Security Exchange Name | NYSE |
