v2.4.0.8
Interest Costs - Summary of Interest Costs (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Schedule Of Interest [Line Items]      
Interest expense $ 23,458 $ 8,109 $ 280
Amortization of deferred financing costs 2,832 804  
Non lender fees 2,982    
Interest costs charged to expense 29,272 8,913 280
Total interest costs 30,815 9,242 280
Property and Equipment [Member]
      
Schedule Of Interest [Line Items]      
Interest costs capitalized 872 200  
Software [Member]
      
Schedule Of Interest [Line Items]      
Interest costs capitalized $ 671 $ 129