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Stock-Based Compensation - Summary of Stock Option Awards (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]      
Options, Outstanding, Balance       
Options, Granted 285,900 0 0
Options, Exercised       
Options, Forfeited       
Options, Outstanding, Balance 285,900     
Weighted Average Exercise Price, Outstanding, Balance       
Weighted Average Exercise Price, Granted $ 17.04    
Weighted Average Exercise Price, Exercised       
Weighted Average Exercise Price, Forfeited       
Weighted Average Exercise Price, Outstanding, Balance $ 17.04     
Weighted Average Remaining Contractual Life, Granted 9 years 1 month 6 days    
Weighted Average Remaining Contractual Life, Outstanding 9 years 1 month 6 days    
Aggregate Intrinsic Value, Outstanding, Balance       
Aggregate Intrinsic Value, Granted 827    
Aggregate Intrinsic Value, Exercised       
Aggregate Intrinsic Value, Forfeited       
Aggregate Intrinsic Value, Outstanding, Balance $ 827