Supplemental Information on Oil and Natural Gas Operations (Unaudited) - Oil, Natural Gas and NGL Quantities (Details) bbl in Thousands, Mcf in Thousands, Boe in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2021 Boe bbl Mcf	Dec. 31, 2022 Boe bbl Mcf	Sep. 30, 2021 Boe bbl Mcf
Proved Developed and Undeveloped Reserve (Energy) [Roll Forward]
Beginning balance | Boe	72,163	73,407	56,787
Extensions and discoveries | Boe	2,026	14,796	13,759
Revisions | Boe	133	(6,331)	4,772
Production | Boe	(915)	(4,199)	(3,155)
Ending balance | Boe	73,407	77,673	72,163
Proved Developed Reserves, Included Above | Boe	43,041	49,122	41,516
Proved Undeveloped Reserves, Included Above | Boe	30,366	28,551	30,647
Oil
Proved Developed and Undeveloped Reserves [Roll Forward]
Beginning balance	46,263	47,021	37,158
Extensions and discoveries	1,328	9,949	9,308
Revisions	99	(4,871)	2,138
Production	(669)	(3,217)	(2,341)
Ending balance	47,021	48,882	46,263
Proved Developed Reserves, Included Above	27,096	29,632	26,170
Proved Undeveloped Reserves, Included Above	19,925	19,250	20,093
Natural Gas
Proved Developed and Undeveloped Reserves [Roll Forward]
Beginning balance | Mcf	76,019	77,486	53,683
Extensions and discoveries | Mcf	1,961	13,178	12,089
Revisions | Mcf	350	(1,417)	12,850
Production | Mcf	(844)	(3,229)	(2,603)
Ending balance | Mcf	77,486	86,018	76,019
Proved Developed Reserves, Included Above | Mcf	47,974	59,314	46,173
Proved Undeveloped Reserves, Included Above | Mcf	29,512	26,704	29,846
NGLs
Proved Developed and Undeveloped Reserves [Roll Forward]
Beginning balance	13,229	13,471	10,681
Extensions and discoveries	371	2,651	2,436
Revisions	(24)	(1,224)	492
Production	(105)	(444)	(380)
Ending balance	13,471	14,454	13,229
Proved Developed Reserves, Included Above	7,949	9,604	7,650
Proved Undeveloped Reserves, Included Above	5,522	4,850	5,579