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Acquisitions (Details) - USD ($) $ in Thousands				9 Months Ended
	Apr. 01, 2022	Jan. 14, 2022	May 07, 2021	Mar. 31, 2022
Acquisitions
Borrowings under senior secured credit facility				$ 17,000
Barnett Shale
Acquisitions
Asset acquisition, consideration transferred			$ 17,400
Liabilities acquired			$ 2,800
Downward purchase adjustment				$ 900
Jonah Field In Wyoming From Exaro Energy III, LLC
Acquisitions
Asset acquisition of transaction cost	$ 200
Asset acquisition, consideration transferred related to deposits transferred	1,600
Liabilities acquired	3,000
Jonah Field In Wyoming From Exaro Energy III, LLC | Oil and natural gas properties
Acquisitions
Asset acquisition, consideration transferred	26,400
Jonah Field In Wyoming From Exaro Energy III, LLC | Other assets, net
Acquisitions
Asset acquisition for deposits	1,200
Williston Basin Acquisition
Acquisitions
Asset acquisition, consideration transferred		$ 25,200
Asset acquisition of transaction cost		300
Liabilities acquired		2,400
Senior Secured Reserve-Based Credit Facility | Jonah Field In Wyoming From Exaro Energy III, LLC
Acquisitions
Borrowings under senior secured credit facility	$ 17,000
Senior Secured Reserve-Based Credit Facility | Williston Basin Acquisition
Acquisitions
Borrowings under senior secured credit facility		$ 16,000

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