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Income Tax - Additional Information (Detail) $ in Thousands	12 Months Ended
Income Tax - Additional Information (Detail) $ in Thousands	Dec. 31, 2015 USD ($)
Income Taxes [Line Items]
Operating Loss Carryforward expiration Year	Will expire in 2034
Increase in equity related to realized deferred tax assets	$ 199
Domestic Tax Authority [Member]
Income Taxes [Line Items]
Net operating loss carryforwards	12,610
State and Local Jurisdiction [Member]
Income Taxes [Line Items]
Net operating loss carryforwards	$ 10,651