Quarterly report pursuant to Section 13 or 15(d)

Equity - Schedule of Unvested Shares (Details)

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Equity - Schedule of Unvested Shares (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2024
Jun. 30, 2023
Dec. 31, 2023
Restricted Shares of Common Stock      
Shares      
Beginning Balance (in shares) 135,667 168,452 168,452
Granted (in shares) 190,430   77,938
Vested (in shares) (14,010)   (98,367)
Forfeited (in shares) 0   (12,356)
Ending Balance (in shares) 312,087   135,667
Weighted Average Grant Date Fair Value      
Beginning Balance (in usd per share) $ 33.90 $ 33.59 $ 33.59
Granted (in usd per share) 25.96   30.03
Vested (in usd per share) 47.91   29.18
Forfeited (in usd per share) 0   42.74
Ending Balance (in usd per share) $ 28.43   $ 33.90
Value      
Beginning Balance $ 4.6 $ 5.7 $ 5.7
Granted 4.9   2.3
Vested (0.6)   (2.9)
Forfeited 0.0   (0.5)
Ending Balance $ 8.9   $ 4.6
Restricted stock units      
Shares      
Beginning Balance (in shares) 94,654 58,404 58,404
Granted (in shares) 0   63,446
Vested (in shares) 0   (18,041)
Forfeited (in shares) (14,216)   (16,460)
Ending Balance (in shares) 80,438   94,654
Weighted Average Grant Date Fair Value      
Beginning Balance (in usd per share) $ 48.42 $ 51.03 $ 51.03
Granted (in usd per share) 0   39.29
Vested (in usd per share) 0   35.17
Forfeited (in usd per share) 71.23   30.90
Ending Balance (in usd per share) $ 44.39   $ 48.42
Value      
Beginning Balance $ 4.6 $ 3.0 $ 3.0
Granted 0.0   2.4
Vested 0.0   (0.6)
Forfeited (1.0)   (0.5)
Ending Balance $ 3.6   $ 4.6
Restricted stock units | Minimum      
Value      
Award vesting percentage (as a percent) 0.00%    
Restricted stock units | Maximum      
Value      
Award vesting percentage (as a percent) 200.00%    
Incremental performance shares granted      
Shares      
Granted (in shares) 0   7,305
Weighted Average Grant Date Fair Value      
Granted (in usd per share) $ 0   $ 34.63
Value      
Granted $ 0.0   $ 0.3
LTIP time-based vesting units      
Shares      
Beginning Balance (in shares) 477,074 276,766 276,766
Granted (in shares) 265,352   342,349
Vested (in shares) (71,843)   (142,041)
Forfeited (in shares) 0   0
Ending Balance (in shares) 670,583   477,074
Weighted Average Grant Date Fair Value      
Beginning Balance (in usd per share) $ 34.4 $ 42.21 $ 42.21
Granted (in usd per share) 25.96   30.08
Vested (in usd per share) 48.65   39.21
Forfeited (in usd per share) 0   0
Ending Balance (in usd per share) $ 29.53   $ 34.4
Value      
Beginning Balance $ 16.5 $ 11.7 $ 11.7
Granted 6.9   10.3
Vested (3.5)   (5.5)
Forfeited 0.0   0.0
Ending Balance $ 19.9   $ 16.5
LTIP market-based vesting units      
Shares      
Beginning Balance (in shares) 493,858 324,028 324,028
Granted (in shares) 128,024 282,034  
Vested (in shares) 0 (96,496)  
Forfeited (in shares) (86,274) (56,102)  
Ending Balance (in shares) 535,608   493,858
Weighted Average Grant Date Fair Value      
Beginning Balance (in usd per share) $ 47.76 $ 42.84 $ 42.84
Granted (in usd per share) 39.11 39.29  
Vested (in usd per share) 0 19.94  
Forfeited (in usd per share) 65.28 $ 4.56  
Ending Balance (in usd per share) $ 42.87   $ 47.76
Value      
Beginning Balance $ 23.6 $ 13.9 $ 13.9
Granted 5.0 11.1  
Vested 0.0 (1.9)  
Forfeited (5.6) $ (0.3)  
Ending Balance $ 23.0   $ 23.6
LTIP market-based vesting units | Minimum      
Value      
Award vesting percentage (as a percent) 0.00%    
LTIP market-based vesting units | Maximum      
Value      
Award vesting percentage (as a percent) 200.00%    
Incremental performance shares granted      
Shares      
Granted (in shares) 0 40,394  
Weighted Average Grant Date Fair Value      
Granted (in usd per share) $ 0 $ 19.94  
Value      
Granted $ 0.0 $ 0.8  
LTIP preformance-based vesting units      
Shares      
Beginning Balance (in shares) 0    
Granted (in shares) 128,024    
Vested (in shares) 0    
Forfeited (in shares) 0    
Ending Balance (in shares) 128,024   0
Weighted Average Grant Date Fair Value      
Beginning Balance (in usd per share) $ 0    
Granted (in usd per share) 25.96    
Vested (in usd per share) 0    
Forfeited (in usd per share) 0    
Ending Balance (in usd per share) $ 25.96   $ 0
Value      
Beginning Balance $ 0.0    
Granted 3.3    
Vested 0.0    
Forfeited 0.0    
Ending Balance $ 3.3   $ 0.0
Incremental performance shares granted      
Shares      
Granted (in shares) 0    
Weighted Average Grant Date Fair Value      
Granted (in usd per share) $ 0    
Value      
Granted $ 0.0