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Share-Based Compensation - Restricted Stock Units Activity (Details) - Restricted Stock Units (RSUs) - $ / shares
 3 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Shares    
Outstanding, beginning of period (in shares) 440,900 457,000.0
Granted (in shares) 134,000.0 152,100
Incremental performance shares 42,400  
Vested (in shares) (222,400) (145,500)
Forfeited (in shares)   (23,100)
Outstanding, end of period (in shares) 394,900 440,500
Vested, end of period (in shares) 108,500 151,300
Weighted Average Grant-Date Fair Value    
Outstanding, beginning of period, weighted-average grant-date fair value (in USD per share) $ 38.45 $ 33.52
Granted, weighted-average grant-date fair value (in USD per share) 54.47 44.33
Vested, weighted-average grant-date fair value (in USD per share) 32.05 30.63
Forfeited, weighted-average grant-date fair value (in USD per share)   30.17
Outstanding, end of period, weighted-average grant-date fair value (in USD per share) 46.65 38.38
Vested, end of period, weighted-average grant-date fair value (in USD per share) $ 36.54 $ 32.03