XML 95 R79.htm IDEA: XBRL DOCUMENT v3.22.0.1
Stock-based Compensation and Outstanding Awards - Summary of Status of Nonvested Shares of RSAs and RSUs (Detail) - Restricted Stock and Restricted Stock Units [Member] - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Nonvested shares, beginning balance 634,000    
Shares, Granted 430,000    
Shares, Vested (281,000)    
Shares, Forfeited (42,000)    
Nonvested shares, ending balance 741,000 634,000  
Weighted average grant date fair value, Nonvested beginning balance $ 10.25    
Weighted average grant date fair value, Granted 10.31 $ 8.78 $ 13.42
Weighted average grant date fair value, Vested 8.76    
Weighted average grant date fair value, Forfeited 11.43    
Weighted average grant date fair value, Nonvested ending balance $ 10.79 $ 10.25