• Filing Date: 2020-03-06
  • Form Type: 10-K
  • Description: Annual report
v3.19.3.a.u2
Stock-Based Compensation (Stock Options) - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock options exercisable contractual term 10 years    
Stock Options [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Recognized compensation expenses $ 870 $ 521 $ 306
Deferred tax benefits recognized 22 79 $ 78
Unrecognized compensation expense related to nonvested stock options $ 1,835 $ 1,359  
Recognition of remaining compensation expense over a weighted-average period 2 years 4 months 24 days    
Maximum [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock options maximum vesting period 5 years