| Document and Entity Information | May 09, 2022 |
| Document And Entity Information [Line Items] | |
| Entity Registrant Name | Beachbody Company, Inc. |
| Amendment Flag | false |
| Entity Central Index Key | 0001826889 |
| Document Type | 8-K |
| Document Period End Date | May 9, 2022 |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-39735 |
| 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Common Class A [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Class A common stock, par value $0.0001 per share |
| Trading Symbol | BODY |
| Security Exchange Name | NYSE |
| Warrant [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Redeemable warrants, each whole warrant exercisable for one Class A common stock at an exercise price of $11.50 |
| Trading Symbol | BODY WS |
| Security Exchange Name | NYSE |
