Crude Oil and Natural Gas Property Information - Schedule of Costs Incurred in Oil and Gas Property Acquisition Exploration and Development Activities (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Oil and Gas Exploration and Production Industries Disclosures [Abstract]
Property Acquisition Costs - Proved	$ 51,558	$ 31,579	$ 8,446
Property Acquisition Costs - Unproved	312,680	329,586	220,875
Total property acquisition costs	364,238	361,165	229,321
Exploration Costs	50,143	81,015	123,461
Development Costs	2,388,582	2,478,327	1,695,954
Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities	$ 2,802,963	$ 2,920,507	$ 2,048,736

Cost incurred, including capitalized costs and costs charged to expense, in acquisition of oil and gas properties.

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- Definition

Costs incurred, including capitalized costs and costs charged to expense, associated with the acquisition of oil and gas properties that have proved reserves.

+ References

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Costs incurred, including capitalized costs and costs charged to expense, associated with the acquisition of oil and gas properties that have unproved reserves.

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Development costs incurred, including capitalized costs and costs charged to expense, in oil and gas activities.

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Exploration costs incurred, including capitalized costs and costs charged to expense, in oil and gas activities.

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Amount of costs incurred related to oil and gas property acquisition, exploration and development activities, including capitalized costs and costs charged to expense.

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