Cover - shares	3 Months Ended
	Mar. 31, 2023	Apr. 30, 2023
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Mar. 31, 2023
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2023
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 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 Common Stock, Shares Outstanding		25,170