Income Taxes - Additional Information (Details) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Statutory federal income tax rate	21.00%	21.00%	21.00%	21.00%
Effective income tax rate, percentage	0.00%	0.00%	0.00%	0.00%
Percentage of tax benefits likelihood of being realized upon settlement of tax authority			greater than 50%
Unrecognized tax benefits	$ 0		$ 0		$ 0

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

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

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Description of the likelihood that an uncertainty in income taxes will not be sustained as a result of the examination by the taxing authority.

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Amount of unrecognized tax benefits.

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