XML 32 R32.htm IDEA: XBRL DOCUMENT v3.2.0.727
Equity Based Compensation - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares available for future grants under 2014 Incentive Stock Plan 1,115,695   1,115,695    
Compensation expense, recognition period     1 year 2 months 12 days    
Performance-based awards outstanding 550,000   550,000   600,000
Outstanding performance based stock award shares earned 31,036   31,036    
Stock-based compensation expense $ 1,177 $ 796 $ 3,858 $ 1,593  
Total unrecognized compensation cost $ 4,091   $ 4,091    
Stock option expiration period     10 years    
Estimated forfeiture rate used for recording stock-based compensation expense     5.00%    
Options granted     0 0  
Shares, aggregate grant date fair value of stock options     $ 1,430    
2004 Incentive Stock Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Options granted     260,000    
Shares, Exercise price     $ 25.95    
Performance Shares [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock option, vesting period     3 years    
Performance-based awards outstanding 126,625   126,625    
Employee Stock Option [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock option, vesting period     3 years    
Employee Stock Option Market Condition [Member] | Share-based Compensation Award, Tranche One [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Percentage of stock options exercise price vested     25.00%    
Employee Stock Option Market Condition [Member] | Share-based Compensation Award, Tranche Two [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Percentage of stock options exercise price vested     30.00%    
Employee Stock Option Market Condition [Member] | Share-based Compensation Award, Tranche Three [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Percentage of stock options exercise price vested     35.00%    
Minimum [Member] | Restricted Stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock option, vesting period     1 year    
Compensation expense, recognition period     1 year    
Maximum [Member] | Restricted Stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock option, vesting period     3 years    
Compensation expense, recognition period     3 years