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Stock-based Compensation Plan - Summary of Stock Option Activity (Details)
 12 Months Ended
Dec. 31, 2021
$ / shares
shares
Stock Options  
Beginning balance (in shares) | shares 27,037
Exercised (in shares) | shares (11,867)
Forfeited (in shares) | shares 0
Ending balance (in shares) | shares 15,170
Exercisable (in shares) | shares 15,170
Weighted- Average Exercise Price  
Beginning balance (in dollars per share) | $ / shares $ 23.81
Exercised (in dollars per share) | $ / shares 22.35
Forfeited (in dollars per share) | $ / shares 0
Ending balance (in dollars per share) | $ / shares 24.96
Exercisable (in dollars per share) | $ / shares $ 24.96