• Filing Date: 2017-02-22
  • Form Type: 10-K
  • Description: Annual report
v3.6.0.2
Stock-Based Compensation - Summary of Company's Stock Option Plan Activity (Detail) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]        
Exercised, Number of Options (60,000) (120,000) (50,000)  
Outstanding, Number of Options 50,000 110,000 230,000 280,000
Exercisable, Number of Options 50,000      
Exercised, Weighted-Average Exercise Price $ 2.50 $ 2.82 $ 2.50  
Outstanding, Weighted Average Exercise Price 4.02 $ 3.19 $ 3.00 $ 2.91
Exercisable, Weighted-Average Exercise Price $ 4.02      
Outstanding, Weighted-Average Remaining Contractual Term 2 years 3 months 18 days 2 years 3 months 18 days 3 years 3 years 10 months 24 days
Exercisable, Weighted-Average Remaining Contractual Term 2 years 3 months 18 days      
Outstanding, Aggregate Intrinsic Value $ 1,773 $ 3,482 $ 9,256 $ 14,166
Exercisable, Aggregate Intrinsic Value $ 1,773