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Debt - Principal and Interest Payments on Debt (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Debt Instrument [Line Items]  
2014 (remaining six months) $ 290
2015 695
2016 3,227
2017 3,227
2018 3,227
2019 2,314
Long-term Debt $ 12,980