Income Taxes - Federal Statutory Income Tax Rate Reconciliation (Details)	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Federal statutory rate	21.00%	21.00%	21.00%
State income taxes, net of federal benefit	1.80%	5.30%	5.20%
Change in valuation allowance	1.00%	0.00%	0.00%
Excess tax benefits related to share-based compensation	(7.80%)	(3.20%)	(2.60%)
Return to provision	0.00%	0.10%	(1.40%)
Oklahoma amended tax returns	0.00%	0.00%	(1.30%)
Other	(0.90%)	(0.70%)	(0.90%)
Total	15.10%	22.50%	20.00%

Effective Income Tax Rate Reconciliation, Amended Tax Return

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Effective Income Tax Rate Reconciliation, Return to Provision

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Publisher FASB
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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