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Income Taxes - Additional Information (Detail) | 6 Months Ended
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Jun. 30, 2016 USD ($)
Income Taxes [Line Items] |
Net deferred tax asset | $ 0
Income tax expense | 0
Dividend from subsidiaries | $ 1,800,000
Estimated annual effective tax rate | 26.54%
Effective tax rate | 0.00%
Federal [Member] |
Income Taxes [Line Items] |
Net operating loss carryforwards | $ 900,000
Net operating loss carryforwards subject to expiration | $ 145,000,000
Net operating loss carryforwards expiration year | 2025
Net operating loss carryforwards expiration year | 2035
Foreign [Member] |
Income Taxes [Line Items] |
Net operating loss carryforwards | $ 2,800,000
Net operating loss carryforwards subject to expiration | $ 22,000,000

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