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Stock-Based Compensation - Changes in Performance Stock Units (Details) - PSUs
3 Months Ended
Mar. 31, 2022
$ / shares
shares
Performance Stock Units Outstanding  
Balance at beginning of period (in shares) | shares 115,750
Granted (in shares) | shares 69,010
Vested (in shares) | shares 0
Forfeited or expired (in shares) | shares 0
Balance at end of period (in shares) | shares 184,760
Weighted Average Grant Date Fair Value  
Balance at beginning of period (in dollars per share) | $ / shares $ 40.13
Granted (in dollars per share) | $ / shares 44.44
Vested (in dollars per share) | $ / shares 0
Forfeited (in dollars per share) | $ / shares 0
Balance at end of period (in dollars per share) | $ / shares $ 41.74