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Stock-Based Compensation - Restricted Stock Activity (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Dec. 31, 2021
Time-Based Restricted Stock Units        
Number of Units        
Beginning balance (in shares) 687,667 1,071,959    
Granted (in shares) 406,062 350,641    
Market-performance adjustment (in shares) 0 0    
Vested (in shares) (181,204) (171,176)    
Forfeited (in shares) (18,261) (45,597)    
Ending balance (in shares) 894,264 1,205,827    
Nonvested shares, aggregate intrinsic value $ 25.4 $ 33.6 $ 19.5 $ 35.1
Shares vested, but not released (in shares) 46,890 615,643    
Shares vested, but not released, aggregate intrinsic value $ 1.3 $ 17.2    
Total outstanding awards (in shares) 941,154 1,821,470    
Total outstanding awards, aggregate intrinsic value $ 26.7 $ 50.8    
Number of awards vested (in shares) 181,204 171,176    
Performance-Based Restricted Stock Units        
Number of Units        
Beginning balance (in shares)   0    
Granted (in shares)   0    
Market-performance adjustment (in shares)   0    
Vested (in shares)   0    
Forfeited (in shares)   0    
Ending balance (in shares)   0    
Nonvested shares, aggregate intrinsic value   $ 0.0   0.0
Shares vested, but not released (in shares)   42,856    
Shares vested, but not released, aggregate intrinsic value   $ 1.2    
Total outstanding awards (in shares)   42,856    
Total outstanding awards, aggregate intrinsic value   $ 1.2    
Number of awards vested (in shares)   0    
Market-Based Restricted Stock Units        
Number of Units        
Beginning balance (in shares) 249,447 374,048    
Granted (in shares) 107,177 130,458    
Market-performance adjustment (in shares) (10,834) (18,253)    
Vested (in shares) (52,962) (194,111)    
Forfeited (in shares) (6,477) (8,044)    
Ending balance (in shares) 286,351 284,098    
Nonvested shares, aggregate intrinsic value $ 8.1 $ 7.9 $ 7.1 $ 12.3
Shares vested, but not released (in shares) 0 0    
Shares vested, but not released, aggregate intrinsic value $ 0.0 $ 0.0    
Total outstanding awards (in shares) 286,351 284,098    
Total outstanding awards, aggregate intrinsic value $ 8.1 $ 7.9    
Number of awards vested (in shares) 52,962 194,111    
Vesting percentage 83.00%      
Directors | Restricted Stock Units        
Number of Units        
Shares vested, but not released (in shares) 46,890     46,890
Weighted average grant date fair value of vested awards (in USD per share)     $ 8.42 $ 8.42
Former Director        
Number of Units        
Weighted average grant date fair value of vested awards (in USD per share)   $ 9.38    
Former Director | Restricted Stock Units        
Number of Units        
Shares vested, but not released (in shares)   568,753    
Former Chief Executive Officer | Restricted Stock Units        
Number of Units        
Shares vested, but not released (in shares)       42,856
Weighted average grant date fair value of vested awards (in USD per share)       $ 13.43