| Cover | Jul. 16, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jul. 16, 2024 |
| Entity File Number | 001-14310 |
| Entity Registrant Name | GLASSBRIDGE ENTERPRISES, INC. |
| Entity Central Index Key | 0001014111 |
| Entity Tax Identification Number | 41-1838504 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 551 Madison Ave Suite 800 |
| Entity Address, City or Town | New York |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 10022 |
| City Area Code | (212) |
| Local Phone Number | 220-3300 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
