XML 108 R97.htm IDEA: XBRL DOCUMENT v3.20.2
STOCK INCENTIVE PLANS - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period of units issued, years 3 years  
Common stock shares available up to (in shares) 5,525,700  
Common stock additional shares registered (in shares) 4,640,000  
Unrecognized compensation expense $ 14.0  
Increase in stock compensation expense $ 5.4  
Increase in stock compensation expense, percentage 65.00%  
Performance period of units, years 3 years  
Shares, options outstanding and exercisable (in shares) 207,030 397,628
Weighted average exercise price, options outstanding (in USD per share) $ 8.42 $ 8.10
Intrinsic value of outstanding and exercisable stock options $ 0.1  
Restricted Stock [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period of units issued, years 3 years  
Restricted stock awards issued (in shares) 2,004,895 1,182,197
Unrecognized compensation expense $ 13.8  
Amount subject to accelerated vesting under Incentive Compensation Plan $ 0.9  
2020 Awards [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period of units issued, years 36 months  
Performance-based Units [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Unrecognized compensation expense $ 3.0  
Performance-based Units [Member] | Restricted Stock [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Restricted stock awards issued (in shares) 571,932 353,656