Cover - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Mar. 29, 2023	Jun. 30, 2022
Cover [Abstract]
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2022
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2022
Current Fiscal Year End Date	--12-31
Entity File Number	1-14310
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	18 East 50th Street
Entity Address, Address Line Two	FL7
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
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 0.2
Entity Common Stock Shares Outstanding		25,170
Documents Incorporated by Reference	Selected portions of the registrant’s definitive proxy statement on Schedule 14A for the registrant’s 2023 annual meeting of stockholders are incorporated by reference into Part III of this Annual Report on Form 10-K
ICFR Auditor Attestation Flag	false
Auditor Name	Turner, Stone & Company, L.L.P
Auditor Location	Dallas, Texas
Auditor Firm ID	76