Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation - Unrecognized Share-Based Compensation Expense (Detail)

v3.2.0.727
Share-Based Compensation - Unrecognized Share-Based Compensation Expense (Detail) - Jun. 30, 2015 - USD ($)
$ in Thousands
Total
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized Expense $ 3,879
Average Expected Recognition Period 2 years
Stock option awards [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized Expense $ 1,002
Average Expected Recognition Period 1 year 6 months
Restricted stock awards [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized Expense $ 2,877
Average Expected Recognition Period 2 years 1 month 6 days