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Summary of Operating Loss Carryforwards (Detail) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Operating Loss Carryforwards [Line Items] |  |
U.S. Federal Operating Loss Carryforwards | $ 554 |
State Operating Loss Carryforwards | 28,728 |
Foreign Operating Loss Carryforwards |  | $ 4,296
2020 |  |
Operating Loss Carryforwards [Line Items] |  |
State Operating Loss Carryforwards | 269 |
2021 |  |
Operating Loss Carryforwards [Line Items] |  |
State Operating Loss Carryforwards | 2,141 |
2022 |  |
Operating Loss Carryforwards [Line Items] |  |
State Operating Loss Carryforwards | 4,934 |
2023 |  |
Operating Loss Carryforwards [Line Items] |  |
State Operating Loss Carryforwards | 4,342 |
2024 |  |
Operating Loss Carryforwards [Line Items] |  |
State Operating Loss Carryforwards | 1,498 |
2025-2029 |  |
Operating Loss Carryforwards [Line Items] |  |
State Operating Loss Carryforwards | 7,673 |
2030-2034 |  |
Operating Loss Carryforwards [Line Items] |  |
State Operating Loss Carryforwards | 4,329 |
Foreign Operating Loss Carryforwards |  | 15
Beyond 2034 |  |
Operating Loss Carryforwards [Line Items] |  |
U.S. Federal Operating Loss Carryforwards | 554 |
State Operating Loss Carryforwards | 2,185 |
Foreign Operating Loss Carryforwards |  | 74
Non-Expiring |  |
Operating Loss Carryforwards [Line Items] |  |
State Operating Loss Carryforwards | $ 1,357 |
Foreign Operating Loss Carryforwards |  | $ 4,207

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