Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2022	Nov. 11, 2022
Document Information Line Items
Entity Registrant Name	Wright Investors Service Holdings, Inc.
Trading Symbol	IWSH
Document Type	10-Q
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		20,335,711
Amendment Flag	false
Entity Central Index Key	0001279715
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Document Period End Date	Sep. 30, 2022
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q3
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	true
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	000-50587
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	13-4005439
Entity Address, Address Line One	118 North Bedford Road
Entity Address, Address Line Two	Ste. 100
Entity Address, City or Town	Mount Kisco
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10549
City Area Code	(914)
Local Phone Number	242-5700
Entity Interactive Data Current	Yes
Title of 12(g) Security	Common Stock, $0.01 par value
Security Exchange Name	NONE