Income Tax [Line Items]

No definition available.

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- Definition

Operating loss carryforwards limitation per year.

+ References

No definition available.

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- Definition

Tax Cuts And Jobs Act Of 2018 Refundable Tax Credit Percentage Of Excess Tax Credit.

+ References

No definition available.

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- Definition

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

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- Definition

Amount recognized for uncertainty in income taxes classified as current.

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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- Definition

Indicates (true false) whether accounting for income tax effect of Tax Cuts and Jobs Act is complete.

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Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax [Line Items]
Statutory income tax rate	21.00%	21.00%	34.00%
Tax cuts and jobs act, accounting complete		true
Tax cuts and jobs act, refundable tax credit percentage		50.00%
Uncertain income tax positions	$ 0
Domestic Country
Income Tax [Line Items]
Operating loss carry forward	271,000,000
Net operating loss used to offset taxable income	1,500,000
State and Local Jurisdiction
Income Tax [Line Items]
Operating loss carry forward	$ 261,000,000