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Document and Entity Information
Dec. 13, 2021
Document And Entity Information [Line Items]  
Amendment Flag false
Entity Central Index Key 0001819253
Document Type 8-K
Document Period End Date Dec. 13, 2021
Entity Registrant Name Haymaker Acquisition Corp. III
Entity Incorporation State Country Code DE
Entity File Number 001-40128
Entity Tax Identification Number 85-1791125
Entity Address, Address Line One 501 Madison Avenue
Entity Address, Address Line Two Floor 12
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 616-9600
Written Communications false
Soliciting Material true
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Entity Ex Transition Period false
Units Each Consisting Of One Share Of Class A Common Stock And One Fourth Of One Redeemable Warrant [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Units, each consisting of one share of Class A common stock and one-fourth of one redeemable warrant
Trading Symbol HYACU
Security Exchange Name NASDAQ
Common Class A [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Class A common stock, par value $0.0001 per share
Trading Symbol HYAC
Security Exchange Name NASDAQ
Warrants Each Whole Warrant Exercisable For One Share Of Class A Common Stock For 11.50 Per Share [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Warrants, each whole warrant exercisable for one share of Class A common stock for $11.50 per share
Trading Symbol HYACW
Security Exchange Name NASDAQ