XML 65 R55.htm IDEA: XBRL DOCUMENT v3.5.0.2
Share-based Compensation - Summary of Company's Stock Option Plan Activity (Detail)
$ / shares in Units, shares in Thousands, $ in Thousands
6 Months Ended
Jun. 30, 2016
USD ($)
$ / shares
shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Number of Shares, Options outstanding, Beginning balance 1,044
Number of Shares, Granted 215
Number of Shares, Exercised (45)
Number of Shares, Forfeited (4)
Number of Shares, Expired 0
Number of Shares, Options outstanding, Ending balance 1,210
Number of Shares, Options exercisable 657
Number of Shares, Available for grant 205
Weighted Average Exercise Price Per Share, Options outstanding, Beginning balance | $ / shares $ 13.36
Weighted Average Exercise Price Per Share, Granted | $ / shares 16.74
Weighted Average Exercise Price Per Share, Exercised | $ / shares 10.21
Weighted Average Exercise Price Per Share, Forfeited | $ / shares 15.66
Weighted Average Exercise Price Per Share, Expired | $ / shares 0
Weighted Average Exercise Price Per Share, Options outstanding, Ending balance | $ / shares 14.07
Weighted Average Exercise Price Per Share, Options exercisable | $ / shares $ 11.83
Weighted Average Remaining Contractual Life (Years), Options outstanding 5 years 8 months 12 days
Weighted Average Remaining Contractual Life (Years), Options exercisable 3 years 4 months 24 days
Aggregate Intrinsic Value, Options outstanding | $ $ 2,436
Aggregate Intrinsic Value, Options exercisable | $ $ 2,436