Document and Entity Information - $ / shares	9 Months Ended
	Sep. 30, 2022	Nov. 11, 2022
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Sep. 30, 2022
Entity File Number	001-41207
Entity Registrant Name	FGI Industries Ltd.
Entity Incorporation, State or Country Code	E9
Entity Tax Identification Number	98-1603252
Entity Address State Or Province	NJ
Entity Address, Address Line One	906 Murray Road
Entity Address, City or Town	East Hanover
Entity Address, Postal Zip Code	07936
City Area Code	973
Local Phone Number	428-0400
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		9,500,000
Entity Central Index Key	0001864943
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q3
Amendment Flag	false
Common Stock [Member]
Document Information [Line Items]
Title of 12(b) Security	Ordinary Shares, $0.0001 par value
Entity Listing, Par Value Per Share	$ 0.0001
Trading Symbol	FGI
Security Exchange Name	NASDAQ
Warrant [Member]
Document Information [Line Items]
Title of 12(b) Security	Warrants to purchase Ordinary Shares, $0.0001 par value
Trading Symbol	FGIWW
Security Exchange Name	NASDAQ