Stock-Based Compensation - Unrecognized Compensation Cost Related to Unexercisable Options and Unvested Restricted Stock and Weighted Average Remaining Period (Detail) - Jun. 30, 2015 - USD ($) $ in Thousands |
Total |
---|---|
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Abstract] | |
Remaining expense | $ 4,698 |
Weighted average term | 1 year 3 months 22 days |