Financial Risk Management - Schedule of Sensitivity to Changes in Market Interest Rates (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Interest Rate Risk 100 Basis Point Increase [Member] | ||
| Disclosure Of Financial Risk Management [Line Items] | ||
| Impact on loss before taxes | $ 0 | $ (14) |
| Interest Rate Risk 100 Basis Point Decrease [Member] | ||
| Disclosure Of Financial Risk Management [Line Items] | ||
| Impact on loss before taxes | $ 0 | $ 0 |