Summary of Significant Accounting Policies - Accounts Receivable (Details) - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Oil, natural gas and NGL sales	$ 26,380,000	$ 17,562,000
Joint interest accounts receivable	500,000	409,000
Other accounts receivable	583,000	31,000
Total accounts receivable	27,463,000	18,002,000
Allowance for credit losses	$ 0	$ 0