Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Income Tax Disclosure [Line Items]
Effective tax rate	28.10%	8.00%	25.00%	6.20%
Income tax rate at federal statutory rates	21.00%	21.00%	21.00%	21.00%
Percentage of corporate alternative minimum tax	15.00%		15.00%
Percentage of excise tax on stock repurchases	1.00%		1.00%
State Tax Credit Carry Forwards [Member]
Income Tax Disclosure [Line Items]
Deferred tax assets, valuation allowance	$ 4.6		$ 4.6		$ 4.8

Income Tax Disclosure [Line Items]

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- Definition

Percentage of corporate alternative minimum tax.

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Percentage of excise tax on stock repurchases.

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
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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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319

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

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
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