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Income Taxes - Tax Effects of Significant Temporary Differences Representing Net Deferred Tax Asset and Liability (Detail) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Deferred tax assets: |  |
Interest expense limitation | $ 103,771 | $ 55,026
Net operating loss carryforwards | 53,112 | 59,335
Unrealized hedging losses | 37,953 | 10,452
Asset retirement obligation | 4,312 | 4,061
Other | 7,771 | 5,661
Noncurrent deferred tax assets | 206,919 | 134,535
Valuation allowance on deferred tax assets | (46,474) | (15,964)
Deferred tax assets | 160,445 | 118,571
Deferred tax liabilities: |  |
Property and equipment | (340,722) | (283,959)
Bond discount | (9,954) | (30,591)
Other | (7,186) | (4,604)
Deferred tax liabilities | (357,862) | (319,154)
Net deferred tax liability | $ (197,417) | $ (200,583)

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