Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Income Taxes [Line Items]
CARES Act income tax benefit	$ 6,300
Effective income tax rate	0.00%	8.50%
Income tax expense	$ (5)	$ 1,968
Internal Revenue Service (IRS)
Income Taxes [Line Items]
Income tax expense (benefit) related to interest on liability (refund) claim	$ (1,300)
Minimum change in ownership percentage	50.00%
Measurement of change in ownership period	3 years
Minimum change in ownership percentage held by shareholders directly or indirectly	5.00%

CARES Act income tax expense (benefit).

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- Definition

Income taxes.

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- Definition

Minimum change in ownership percentage.

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No definition available.

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Minimum change in ownership percentage held by shareholders directly or indirectly.

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Period of change in ownership.

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No definition available.

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- Definition

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

+ References

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The amount of the additional liability or refund received or expected based on a final settlement with a taxing authority.

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- Definition

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

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