Cover
| Cover | Nov. 18, 2021 |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Nov. 18, 2021 |
| Entity File Number | 001-40473 |
| Entity Registrant Name | Blue Safari Group Acquisition Corp. |
| Entity Central Index Key | 0001853084 |
| Entity Tax Identification Number | 00-0000000 |
| Entity Incorporation, State or Country Code | D8 |
| Entity Address, Address Line One | Cheung Kong Center |
| Entity Address, Address Line Two | 58 Floor, Unit 5801 |
| Entity Address, Address Line Three | 2 Queens Road Central |
| Entity Address, City or Town | Central |
| Entity Address, Country | HK |
| Entity Address, Postal Zip Code | 00000 |
| City Area Code | +852 |
| Local Phone Number | 9258 9728 |
| Written Communications | true |
| 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 Class A ordinary share, with no par value and one right to receive one-tenth of one Class A ordinary share [Member] | |
| Title of 12(b) Security | Units, each consisting of one Class A ordinary share, with no par value and one right to receive one-tenth of one Class A ordinary share |
| Trading Symbol | BSGAU |
| Security Exchange Name | NASDAQ |
| Class A ordinary shares included as part of the units [Member] | |
| Title of 12(b) Security | Class A ordinary shares included as part of the units |
| Trading Symbol | BSGA |
| Security Exchange Name | NASDAQ |
| Rights included as part of the units [Member] | |
| Title of 12(b) Security | Rights included as part of the units |
| Trading Symbol | BSGAR |
| Security Exchange Name | NASDAQ |