Annual report pursuant to Section 13 and 15(d)

Income Taxes - Summary of Components of Income (Loss) Before Provision for Income Taxes (Detail)

v3.20.4
Income Taxes - Summary of Components of Income (Loss) Before Provision for Income Taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]      
U.S. $ 696 $ 484 $ 532
Ireland (51,959) (103,170) (77,116)
Total $ (51,263) $ (102,686) $ (76,584)