Fair Value Measurements (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Aug. 10, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Gross	$ 615,238	$ 618,954
Long-term Debt, Fair Value	616,400	634,600
Financial assets:
Commodity derivative assets – current	29,714	11,478
Derivative assets	316	2,092
Total financial assets	30,030	13,570
Financial liabilities:
Derivative liabilities, current	67,933	50,372
Derivative liabilities, noncurrent	3,416	23,815
Total financial liabilities	71,349	74,187
Commodity contracts
Financial assets:
Commodity derivative assets – current	29,714	11,478
Derivative assets	316	2,092
Financial liabilities:
Derivative liabilities, current	67,933	48,892
Derivative liabilities, noncurrent	3,416	23,815
Interest Rate Swap
Financial assets:
Commodity derivative assets – current	0	0
Financial liabilities:
Derivative liabilities, current	0	1,480
Fair Value, Measurements, Recurring
Financial assets:
Total financial assets	30,030	13,570
Financial liabilities:
Total financial liabilities	71,349	74,187
Fair Value, Measurements, Recurring | Level 1
Financial assets:
Total financial assets	0	0
Financial liabilities:
Total financial liabilities	0	0
Fair Value, Measurements, Recurring | Level 2
Financial assets:
Total financial assets	30,030	13,570
Financial liabilities:
Total financial liabilities	71,349	74,187
Fair Value, Measurements, Recurring | Level 3
Financial assets:
Total financial assets	0	0
Financial liabilities:
Total financial liabilities	0	0
Fair Value, Measurements, Recurring | Commodity contracts
Financial assets:
Commodity derivative assets – current	29,714	11,478
Derivative assets	316	2,092
Financial liabilities:
Derivative liabilities, current	67,933	48,892
Derivative liabilities, noncurrent	3,416	23,815
Fair Value, Measurements, Recurring | Commodity contracts | Level 1
Financial assets:
Commodity derivative assets – current	0	0
Derivative assets	0	0
Financial liabilities:
Derivative liabilities, current	0	0
Derivative liabilities, noncurrent	0	0
Fair Value, Measurements, Recurring | Commodity contracts | Level 2
Financial assets:
Commodity derivative assets – current	29,714	11,478
Derivative assets	316	2,092
Financial liabilities:
Derivative liabilities, current	67,933	48,892
Derivative liabilities, noncurrent	3,416	23,815
Fair Value, Measurements, Recurring | Commodity contracts | Level 3
Financial assets:
Commodity derivative assets – current	0	0
Derivative assets	0	0
Financial liabilities:
Derivative liabilities, current	0	0
Derivative liabilities, noncurrent	0	0
Fair Value, Measurements, Recurring | Interest Rate Swap
Financial liabilities:
Derivative liabilities, current		1,480
Fair Value, Measurements, Recurring | Interest Rate Swap | Level 1
Financial liabilities:
Derivative liabilities, current		0
Fair Value, Measurements, Recurring | Interest Rate Swap | Level 2
Financial liabilities:
Derivative liabilities, current		1,480
Fair Value, Measurements, Recurring | Interest Rate Swap | Level 3
Financial liabilities:
Derivative liabilities, current		0
Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Gross	$ 400,000	$ 400,000
Senior Notes | Senior Notes Due 2026
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate			9.25%