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Summary of Operating Loss Carryforwards (Detail) $ in Thousands | Dec. 31, 2017 USD ($)
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Operating Loss Carryforwards [Line Items] |
U.S. Federal Operating Loss Carryforwards | $ 0
State Operating Loss Carryforwards | 71,303
Foreign Operating Loss Carryforwards | 7,142
2018 |
Operating Loss Carryforwards [Line Items] |
U.S. Federal Operating Loss Carryforwards | 0
State Operating Loss Carryforwards | 9,943
2019 |
Operating Loss Carryforwards [Line Items] |
U.S. Federal Operating Loss Carryforwards | 0
State Operating Loss Carryforwards | 174
2020 |
Operating Loss Carryforwards [Line Items] |
U.S. Federal Operating Loss Carryforwards | 0
State Operating Loss Carryforwards | 130
2021 |
Operating Loss Carryforwards [Line Items] |
U.S. Federal Operating Loss Carryforwards | 0
State Operating Loss Carryforwards | 2,919
2022 |
Operating Loss Carryforwards [Line Items] |
U.S. Federal Operating Loss Carryforwards | 0
State Operating Loss Carryforwards | 6,362
2023-2027 |
Operating Loss Carryforwards [Line Items] |
U.S. Federal Operating Loss Carryforwards | 0
State Operating Loss Carryforwards | 12,296
2028-2032 |
Operating Loss Carryforwards [Line Items] |
U.S. Federal Operating Loss Carryforwards | 0
State Operating Loss Carryforwards | 34,963
Beyond 2032 |
Operating Loss Carryforwards [Line Items] |
U.S. Federal Operating Loss Carryforwards | 0
State Operating Loss Carryforwards | 4,516
Foreign Operating Loss Carryforwards | 130
Non-Expiring |
Operating Loss Carryforwards [Line Items] |
U.S. Federal Operating Loss Carryforwards | 0
Foreign Operating Loss Carryforwards | $ 7,012

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