Asset Retirement Obligations - Asset Retirement Obligations (Detail) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Asset Retirement Obligation [Abstract]
Beginning of period	$ 109,851	$ 95,836
Liabilities incurred	2,209	2,589
Liabilities settled	(2,606)	(10,650)
Accretion expense	4,465	6,569
Change in estimate	168	15,507
End of period	114,087	109,851
Less current portion	(4,570)	(4,570)
Long-term asset retirement obligations	$ 109,517	$ 105,281