XML 13 R39.htm IDEA: XBRL DOCUMENT v2.4.0.8
Share-based Compensation - Share-based Compensation Plan - Option Activity (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period     (57,176)    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]          
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price     $ 6.87    
Amended and Restated 2012 Long Term Incentive Plan
         
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]          
Options, Outstanding beginning balance     1,973,500    
Options, granted 154,000 469,500 663,000 1,835,500  
Options, canceled     0    
Options, Outstanding ending balance 2,579,324   2,579,324   1,973,500
Options, Vested and expected to vest ending balance 2,491,212   2,491,212    
Options vested 747,871   747,871    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]          
Weighted Average Exercise Price, Outstanding beginning balance     $ 7.50    
Weighted Average Exercise Price, Granted     $ 28.63    
Weighted Average Exercise Price, Canceled     $ 0.00    
Weighted Average Exercise Price, Outstanding ending balance $ 12.95   $ 12.95   $ 7.50
Weighted Average Exercise Price, Vested and expected to vest ending balance $ 12.74   $ 12.74    
Weighted Average Exercise Price, Vested $ 6.48   $ 6.48    
Weighted Average Remaining Contractual Life (Years), Outstanding     8 years 11 months 5 days   9 years 2 months 1 day
Weighted Average Remaining Contractual Life (Years), Vested and expected to vest ending balance     8 years 11 months 1 day    
Aggregate Intrinsic Value, Outstanding beginning balance     $ 37,528    
Aggregate Intrinsic Value, Outstanding ending balance 28,937   28,937   37,528
Aggregate Intrinsic Value, Vested and expected to vest ending balance 28,341   28,341    
Aggregate Intrinsic Value, Vested $ 12,015   $ 12,015    
Weighted Average Remaining Contractual Life (Years), Vested     8 years 7 months 17 days