XML 117 R97.htm IDEA: XBRL DOCUMENT v3.22.4
Stock-Based Compensation (Performance Stock Units) (Details) - Performance Stock Units - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Oct. 31, 2020
Mar. 31, 2020
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Performance period         3 years    
Fair value assumptions              
Risk-free interest rate (as a percent) 1.59% 0.25% 0.17% 0.56%      
Dividend yield (as a percent) 0.00% 0.00% 0.00% 0.00%      
Expected Life (Years) 2 years 9 months 29 days 2 years 9 months 29 days 2 years 2 months 12 days 2 years 9 months 21 days      
Volatility 50.40% 50.70% 53.70% 36.00%      
Fair value of award (in dollars per share) $ 16.54 $ 25.38 $ 17.01 $ 4.40 $ 16.54    
Recognized stock-based compensation expense         $ 4.2 $ 5.1 $ 3.2
Unrecognized stock-based compensation expense         $ 6.4    
Unrecognized stock-based compensation expense, period of recognition         1 year 8 months 12 days    
Unvested activity              
Nonvested at the beginning of the period (in shares)         753,793    
Granted (in shares)   316,959 11,194 513,995 500,624    
Forfeited (in shares)         (213,999)    
Vested (in shares)         (378,466)    
Nonvested at the end of the period (in shares)         661,952 753,793  
Weighted Average Grant Date Fair Value              
Nonvested at the beginning of the period (in dollars per share)         $ 13.05    
Granted (in dollars per share) $ 16.54 $ 25.38 $ 17.01 $ 4.40 16.54    
Forfeited (in dollars per share)         14.51    
Vested (in dollars per share)         4.80    
Nonvested at the end of the period (in dollars per share)         $ 19.94 $ 13.05  
Minimum              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Payout of PSUs (percent of initial grant)         0.00%    
Maximum              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Payout of PSUs (percent of initial grant)         200.00%