Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2022	Nov. 10, 2022
Document Information [Line Items]
Entity Central Index Key	0001792849
Entity Registrant Name	HighPeak Energy, Inc.
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2022
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2022
Document Transition Report	false
Entity File Number	001-39464
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	84-3533602
Entity Address, Address Line One	421 W. 3rd St., Suite 1000
Entity Address, Postal Zip Code	76102
Entity Address, City or Town	Fort Worth
Entity Address, State or Province	TX
City Area Code	817
Local Phone Number	850-9200
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		113,162,827
Warrant [Member]
Document Information [Line Items]
Title of 12(b) Security	Warrants to purchase Common Stock
Trading Symbol	HPKEW
Security Exchange Name	NASDAQ
Common Stock [Member]
Document Information [Line Items]
Title of 12(b) Security	Common Stock, par value $0.0001 per share
Trading Symbol	HPK
Security Exchange Name	NASDAQ