XML 11 R39.htm IDEA: XBRL DOCUMENT v3.3.0.814
Stock-Based Compensation (Detail)
$ in Thousands
9 Months Ended
Sep. 30, 2015
USD ($)
shares
Stock Options  
Award vesting period 10 years
Award service period (in years) 4 years
Restricted Stock Units (RSUs)  
Award vesting period 3 years
Unrecognized compensation cost $ 2,926
Unrecognized compensation cost, period of recognition (in years) 1 year 10 months 28 days
Restricted Stock  
Fair value of stock vested $ 1,058
Tax benefit $ 408
2014 Plan  
Number of shares originally reserved | shares 2,000,000
Number of shares available for grant | shares 961,551
Second Anniversary of Award Date | Stock Options  
Percent of options vesting 50.00%
Second Anniversary of Award Date | Restricted Stock Units (RSUs)  
Percentage of restricted stock units vesting 67.00%
Peer company review period (in years) 2 years
Second Anniversary of Award Date | Restricted Stock Units TSR  
Percentage of restricted stock units vesting 67.00%
Peer company review period (in years) 2 years
Third Anniversary of Award Date | Stock Options  
Percent of options vesting 25.00%
Third Anniversary of Award Date | Restricted Stock Units (RSUs)  
Percentage of restricted stock units vesting 33.00%
Third Anniversary of Award Date | Restricted Stock Units TSR  
Percentage of restricted stock units vesting 33.00%
Fourth Anniversary of Award Date | Stock Options  
Percent of options vesting 25.00%