Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Detail)

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Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2019
Dec. 31, 2018
Income Taxes [Line Items]      
Tax Act, income tax expense (benefit) $ 3,000    
Operating loss carryforwards   $ 67,700  
Deferred tax assets, valuation allowance   1,261 $ 323
Interest and penalties   100  
Foreign      
Income Taxes [Line Items]      
Operating loss carryforwards   7,100  
Deferred tax assets, valuation allowance   1,300  
State and Local Jurisdiction      
Income Taxes [Line Items]      
Operating loss carryforwards   $ 30,700