Note 11 - Related Party Transactions - Construction of Beginning Balance of the Company (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Aug. 22, 2020	Aug. 21, 2020	Dec. 31, 2019
Cash and cash equivalents	$ 30,504	$ 34,869		$ 86,483
Cash and cash equivalents	(30,504)	(34,869)		(86,483)
Accounts Receivable, after Allowance for Credit Loss, Current, Total	96,596	39,378		3,027
Accounts receivable	(96,596)	(39,378)		(3,027)
Total current assets	144,525	86,954		89,510
Total current assets	(144,525)	(86,954)		(89,510)
Total crude oil and natural gas properties, net	2,124,939	725,615		452,039
Other property and equipment, net	3,587	1,600		436
Total assets	2,279,482	818,960		541,985
Total assets	(2,279,482)	(818,960)		(541,985)
Current liabilities	266,129	103,000		28,358
Current liabilities	(266,129)	(103,000)		(28,358)
Deferred income tax liability	131,164	55,802		39,946
Notes payable (receivable)				0
Asset retirement obligations	7,502	4,260		2,398
Partners' capital				0	$ 430,902	$ 464,716
Common stock	11	10		9
Additional paid-in capital	1,008,896	617,489		562,054
Additional paid-in capital	(1,008,896)	(617,489)		(562,054)
Accumulated deficit	160,740	(64,436)		(90,780)
Total stockholders' equity/partner's capital	1,169,647	553,063	$ 474,226	471,283	0
Total stockholders' equity/partner's capital	(1,169,647)	(553,063)	$ (474,226)	(471,283)	0
Total liabilities and stockholders' equity/partners' capital	2,279,482	818,960		541,985
Total liabilities and stockholders' equity/partners' capital	$ (2,279,482)	$ (818,960)		(541,985)
High Peak Business Combination [Member] | Issuance of HighPeak Energy Common Stock [Member]
Cash and cash equivalents				92,554
Cash and cash equivalents				(92,554)
Accounts Receivable, after Allowance for Credit Loss, Current, Total				0
Accounts receivable				0
Total current assets				92,554
Total current assets				(92,554)
Total crude oil and natural gas properties, net				0
Other property and equipment, net				0
Total assets				92,554
Total assets				(92,554)
Current liabilities				9,538
Current liabilities				(9,538)
Deferred income tax liability				0
Notes payable (receivable)				0
Asset retirement obligations				0
Partners' capital				(521,682)
Common stock				9
Additional paid-in capital				623,765
Additional paid-in capital				(623,765)
Accumulated deficit				0
Total stockholders' equity/partner's capital				102,092
Total stockholders' equity/partner's capital				(102,092)
Total liabilities and stockholders' equity/partners' capital				92,554
Total liabilities and stockholders' equity/partners' capital				(92,554)
High Peak Business Combination [Member] | Offering Costs [Member]
Cash and cash equivalents				8,114
Cash and cash equivalents				(8,114)
Accounts Receivable, after Allowance for Credit Loss, Current, Total				(0)
Accounts receivable				0
Total current assets				8,114
Total current assets				(8,114)
Total crude oil and natural gas properties, net				0
Other property and equipment, net				0
Total assets				8,114
Total assets				(8,114)
Current liabilities				0
Current liabilities				0
Deferred income tax liability				0
Notes payable (receivable)				0
Asset retirement obligations				0
Partners' capital				0
Common stock				0
Additional paid-in capital				8,114
Additional paid-in capital				(8,114)
Accumulated deficit				0
Total stockholders' equity/partner's capital				8,114
Total stockholders' equity/partner's capital				(8,114)
Total liabilities and stockholders' equity/partners' capital				8,114
Total liabilities and stockholders' equity/partners' capital				(8,114)
High Peak Business Combination [Member] | Deferred Tax Liability [Member]
Cash and cash equivalents				0
Cash and cash equivalents				0
Accounts Receivable, after Allowance for Credit Loss, Current, Total				0
Accounts receivable				0
Total current assets				0
Total current assets				0
Total crude oil and natural gas properties, net				0
Other property and equipment, net				0
Total assets				0
Total assets				0
Current liabilities				0
Current liabilities				0
Deferred income tax liability				39,946
Notes payable (receivable)				0
Asset retirement obligations				0
Partners' capital				0
Common stock				0
Additional paid-in capital				(39,946)
Additional paid-in capital				39,946
Accumulated deficit				0
Total stockholders' equity/partner's capital				(39,946)
Total stockholders' equity/partner's capital				39,946
Total liabilities and stockholders' equity/partners' capital				0
Total liabilities and stockholders' equity/partners' capital				0
HPK, LP [Member]
Cash and cash equivalents				1,943
Cash and cash equivalents				(1,943)
Accounts Receivable, after Allowance for Credit Loss, Current, Total				3,001
Accounts receivable				(3,001)
Total current assets				4,944
Total current assets				(4,944)
Total crude oil and natural gas properties, net				452,039
Other property and equipment, net				436
Total assets				457,419
Total assets				(457,419)
Current liabilities				35,794
Current liabilities				(35,794)
Deferred income tax liability				0
Notes payable (receivable)				(11,675)
Asset retirement obligations				2,398
Partners' capital				521,682
Common stock				0
Additional paid-in capital				0
Additional paid-in capital				0
Accumulated deficit				(90,780)
Total stockholders' equity/partner's capital				430,902
Total stockholders' equity/partner's capital				(430,902)
Total liabilities and stockholders' equity/partners' capital				457,419
Total liabilities and stockholders' equity/partners' capital				(457,419)
Pure [Member]
Cash and cash equivalents				1
Cash and cash equivalents				(1)
Accounts Receivable, after Allowance for Credit Loss, Current, Total				0
Accounts receivable				0
Total current assets				1
Total current assets				(1)
Total crude oil and natural gas properties, net				0
Other property and equipment, net				0
Total assets				1
Total assets				(1)
Current liabilities				2,025
Current liabilities				(2,025)
Deferred income tax liability				0
Notes payable (receivable)				11,675
Asset retirement obligations				0
Partners' capital				0
Common stock				0
Additional paid-in capital				(13,699)	(13,700)
Additional paid-in capital				13,699	$ 13,700
Accumulated deficit				0
Total stockholders' equity/partner's capital				(13,699)
Total stockholders' equity/partner's capital				13,699
Total liabilities and stockholders' equity/partners' capital				1
Total liabilities and stockholders' equity/partners' capital				(1)
HighPeak Energy Employees, Inc [Member]
Cash and cash equivalents				99
Cash and cash equivalents				(99)
Accounts Receivable, after Allowance for Credit Loss, Current, Total				26
Accounts receivable				(26)
Total current assets				125
Total current assets				(125)
Total crude oil and natural gas properties, net				0
Other property and equipment, net				0
Total assets				125
Total assets				(125)
Current liabilities				77
Current liabilities				(77)
Deferred income tax liability				0
Notes payable (receivable)				0
Asset retirement obligations				0
Partners' capital				0
Common stock				0
Additional paid-in capital				48
Additional paid-in capital				(48)
Accumulated deficit				0
Total stockholders' equity/partner's capital				48
Total stockholders' equity/partner's capital				(48)
Total liabilities and stockholders' equity/partners' capital				125
Total liabilities and stockholders' equity/partners' capital				$ (125)