Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional Information (Detail)

v3.21.2
Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Income Tax [Line Items]          
Income tax expense $ 122 $ 178 $ 182 $ 299  
Ireland          
Income Tax [Line Items]          
Net operating loss carryforwards $ 31,807   $ 31,807   $ 30,261