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Income Taxes - Schedule of Components of Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Tax Disclosure [Abstract]
Provision for corporate taxes	$ 6,234	$ 4,139	$ 14,582	$ 562
Discrete tax (benefits) deficiencies	(1,463)	80	(1,942)	132
Total income taxes	$ 4,771	$ 4,219	$ 12,640	$ 694

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- Definition

The aggregate tax benefits and deficiencies from discrete items affecting the calculated provision for corporate taxes.

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The amount of income tax expense or benefit for the period computed by applying the corporate provisional tax rates to pretax income from continuing operations.

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- Definition

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

+ References

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