Fair Value of Financial Instruments - Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset retirement obligations	$ (5,301)	$ (5,689)	$ (5,928)	$ (5,399)
Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current commodity derivative asset		(2,260)
Interest rate swap derivative liabilities	(839)
Asset retirement obligations	(5,301)	(5,689)
Pico earn-out liability	(2,721)	(1,920)
Fair Value, Net Asset (Liability)	(8,861)	(9,869)
Fair Value, Recurring [Member] | Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current commodity derivative asset		0
Interest rate swap derivative liabilities	0
Asset retirement obligations	0	0
Pico earn-out liability	0	0
Fair Value, Net Asset (Liability)	0	0
Fair Value, Recurring [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current commodity derivative asset		(2,260)
Interest rate swap derivative liabilities	(839)
Asset retirement obligations	0	0
Pico earn-out liability	0	0
Fair Value, Net Asset (Liability)	(839)	(2,260)
Fair Value, Recurring [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current commodity derivative asset		0
Interest rate swap derivative liabilities	0
Asset retirement obligations	(5,301)	(5,689)
Pico earn-out liability	(2,721)	(1,920)
Fair Value, Net Asset (Liability)	$ (8,022)	$ (7,609)