Fair Value Measurements - Summary of Changes in the Estimated Fair Value of the Company's Assets Held for Sale (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Long Lived Assets Held-for-sale [Line Items] | ||
| Balance at the beginning | $ 980 | $ 24,008 |
| Sale of assets held for sale | (250) | |
| Impairment of assets held for sale | (674) | (23,407) |
| Foreign currency adjustments | (56) | 379 |
| Balance at the ending | $ 0 | $ 980 |