Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2018	Mar. 18, 2019	Jun. 30, 2018
Entity Registrant Name	GORES HOLDINGS III, INC.
Entity Central Index Key	0001720821
Document Type	10-K
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2018
Trading Symbol	GRSH
Document Period End Date	Dec. 31, 2018
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	true
Entity Public Float			$ 0
Class A Common Stock
Entity Common Stock, Shares Outstanding		40,000,000
Class F Common Stock
Entity Common Stock, Shares Outstanding		10,000,000