Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Provisional amount recorded related to Tax Act remeasurement of deferred tax balance	$ 200,000
Net deferred tax assets	300,000	$ 400,000
Uncertain income tax positions	$ 0	$ 0