| Cover | Dec. 30, 2021 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Dec. 30, 2021 |
| Entity File Number | 001-39910 |
| Entity Registrant Name | Oyster Enterprises Acquisition Corp. |
| Entity Central Index Key | 0001834226 |
| Entity Tax Identification Number | 85-3607783 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 777 South Flagler Drive, Suite 800W |
| Entity Address, City or Town | West Palm Beach |
| Entity Address, State or Province | FL |
| Entity Address, Postal Zip Code | 33401 |
| City Area Code | 212 |
| Local Phone Number | 888-5500 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Units, each consisting of one share of Class A common stock and one-half of one warrant [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Units, each consisting of one share of Class A common stock and one-half of one redeemable warrant to purchase one share of Class A common stock |
| Trading Symbol | OSTRU |
| Security Exchange Name | NASDAQ |
| Common Class A [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Class A common stock, par value $0.0001 per share |
| Trading Symbol | OSTR |
| Security Exchange Name | NASDAQ |
| Redeemable warrants, each exercisable for Class A common stock [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Redeemable warrants, each exercisable for one share of Class A common stock at an exercise price of $11.50 per share, subject to adjustment |
| Trading Symbol | OSTRW |
| Security Exchange Name | NASDAQ |
