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Stock-based Compensation Plan (Tables)
 12 Months Ended
Dec. 31, 2021
Share-based Payment Arrangement [Abstract]  
Activity for restricted stock units The following table summarizes the restricted stock unit activity for the year ended December 31, 2021:
Restricted
Stock
Units		Weighted-
Average
Grant Date
Fair Value
Non-vested at December 31, 2020188,894 $42.81 
Granted148,539 52.01 
Vested(104,037)43.59 
Forfeited(7,328)47.97 
Non-vested at December 31, 2021226,068 48.33 
Activity for stock options Changes in shares granted for stock options for the year ended December 31, 2021 are summarized as follows:
Stock
Options		Weighted-
Average
Exercise
Price
Outstanding at December 31, 202027,037 $23.81 
Exercised(11,867)22.35 
Forfeited— — 
Outstanding at December 31, 202115,170 24.96 
Exercisable at December 31, 202115,170 24.96