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Stock-Based Compensation - Restricted Stock Unit Activity (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 12 Months Ended
Jan. 31, 2024
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Time-based Restricted Stock Units        
Units (In thousands)        
Beginning balance (in shares) 732,519 732,519    
Granted (in shares)   717,370    
Market-performance adjustment (in shares)   0    
Vested (in shares)   (366,298)    
Forfeited (in shares)   (85,315)    
Ending balance (in shares)   998,276 732,519  
Aggregate intrinsic value, nonvested   $ 21.4 $ 20.0  
Shares vested, but not released (in shares)   46,890    
Aggregate intrinsic value, shares vested but not released   $ 1.0    
Total outstanding restricted stock units (in shares)   1,045,166    
Aggregate intrinsic value, total outstanding restricted stock units   $ 22.4    
Market-Based Restricted Stock Units        
Units (In thousands)        
Beginning balance (in shares) 259,326 259,326    
Granted (in shares)   135,630    
Market-performance adjustment (in shares)   (28,632)    
Vested (in shares) (97,517) (36,419)    
Forfeited (in shares)   (20,860)    
Ending balance (in shares)   309,045 259,326  
Aggregate intrinsic value, nonvested   $ 6.6 $ 10.0  
Total outstanding restricted stock units (in shares)   309,045    
Aggregate intrinsic value, total outstanding restricted stock units   $ 6.6    
Directors | Restricted Stock Units        
Units (In thousands)        
Granted (in shares)   13,834 12,036 4,810
Vested awards, weighted average grant date fair value (in USD per share)   $ 8.42