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Tax Effect of Temporary Differences and Tax Attributes Representing Deferred Tax Assets and Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Deferred tax assets:    
Net operating loss carryforwards $ 498,948 $ 382,936
Tax credits 13,488 4,222
Expense associated with stock options and restricted stock 10,892 8,178
Workers' compensation allowance 7,024 15,770
Other deferred tax asset 69,480 25,020
Total deferred tax assets, gross 599,832 436,126
Allowance to reduce deferred tax asset to expected realizable value (75,250) (91,685)
Total deferred tax assets, net 524,582 344,441
Deferred tax liabilities:    
Property and equipment basis difference (729,376) (355,129)
Other (39,386) (14,840)
Total deferred tax liabilities (768,762) (369,969)
Net deferred tax liability $ (244,180) $ (25,528)