Supplemental Oil and Gas Information (Unaudited) - Schedule of Net Reserves (Detail)	12 Months Ended
	Dec. 31, 2022 MBbls MMcf	Dec. 31, 2021 MMBoe MMcfe MBbls MMcf
Oil Reserves [Member]
Supplemental Oil And Gas Reserve Information [Line Items]
Proved developed and undeveloped reserves, Beginning of year	45,001	46,676
Extensions and discoveries		746
Production	(2,327)	(3,351)
Sale of minerals in place | MMBoe		(3)
Revision of previous estimates	5,194	933
Proved developed and undeveloped reserves, End of year	47,868	45,001
Proved developed reserves, Beginning of year	43,857	35,613
Proved developed reserves, End of year	47,010	43,857
Proved undeveloped reserves, Beginning of year	1,144	11,063
Proved undeveloped reserves, End of year	858	1,144
Natural Gas Reserves [Member]
Supplemental Oil And Gas Reserve Information [Line Items]
Proved developed and undeveloped reserves, Beginning of year | MMcf	314,350	274,139
Extensions and discoveries | MMcf		4,283
Production | MMcf	(22,993)	(23,808)
Sale of minerals in place | MMcfe		(274)
Revision of previous estimates | MMcf	21,435	60,010
Proved developed and undeveloped reserves, End of year | MMcf	312,792	314,350
Proved developed reserves, Beginning of year | MMcf	309,794	252,218
Proved developed reserves, End of year | MMcf	312,185	309,794
Proved undeveloped reserves, Beginning of year | MMcf	4,556	21,921
Proved undeveloped reserves, End of year | MMcf	607	4,556
Natural Gas Liquids Reserves [Member]
Supplemental Oil And Gas Reserve Information [Line Items]
Proved developed and undeveloped reserves, Beginning of year	23,837	21,484
Extensions and discoveries		215
Production	(1,389)	(1,430)
Sale of minerals in place | MMBoe		(12)
Revision of previous estimates	1,578	3,580
Proved developed and undeveloped reserves, End of year	24,026	23,837
Proved developed reserves, Beginning of year	23,574	19,009
Proved developed reserves, End of year	23,928	23,574
Proved undeveloped reserves, Beginning of year	263	2,475
Proved undeveloped reserves, End of year	98	263
Proved Reserves, Total
Supplemental Oil And Gas Reserve Information [Line Items]
Proved developed and undeveloped reserves, Beginning of year	121,230	113,849
Extensions and discoveries		1,674
Production	(7,548)	(8,747)
Sale of minerals in place | MMBoe		(61)
Revision of previous estimates	10,345	14,515
Proved developed and undeveloped reserves, End of year	124,027	121,230
Proved developed reserves, Beginning of year	119,063	96,658
Proved developed reserves, End of year	122,969	119,063
Proved undeveloped reserves, Beginning of year	2,167	17,191
Proved undeveloped reserves, End of year	1,058	2,167