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Employee Benefit Plans - Additional Information (Detail) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Compensation And Retirement Disclosure [Abstract]    
Company's expected contributions to the plan $ 13,000  
Company's contributions to the plan $ 700,000 $ 500,000
Non-qualified deferred compensation plan allowable eligible participants deferral percentage of base salary 80.00%  
Non-qualified deferred compensation plan allowable eligible participants deferral percentage of other compensation 100.00%  
Employee deferrals deemed vested percentage upon contribution 100.00%