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Income Taxes - Provision for Income Taxes (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Current provision: |  |  |
Federal | $ 3,044 | $ 1,555 | $ 1,494
State | 752 | 406 | 273
Foreign | 797 | 751 | 807
Total current provision | 4,593 | 2,712 | 2,574
Deferred provision (benefit): |  |  |
Federal | (1,340) | (13) | 317
State | (327) | (4) | 96
Foreign | (326) | 1,372 | (264)
Total deferred provision (benefit) | (1,993) | 1,355 | 149
Change in valuation allowance | 172 | 7 |
Total provision for income taxes | $ 2,772 | $ 4,074 | $ 2,723

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