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Stock-Based Compensation (Detail) - Jun. 30, 2015 - USD ($)
$ in Thousands
Total
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, period of recognition (in years) 2 years 1 month 10 days
Unrecognized compensation cost $ 3,456
Restricted Stock  
Fair value of stock vested 1,000
Tax benefit $ 408
2014 Plan  
Number of shares originally reserved 2,000,000
Number of shares available for grant 950,135
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%