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Deferred Compensation Plans (Tables)
 12 Months Ended
Dec. 31, 2021
Postemployment Benefits [Abstract]  
Summary of Changes in Deferred Compensation Plan Liability
A summary of changes in the deferred compensation plan liability follows:
December 31, 2021December 31, 2020December 31, 2019
Balance, beginning of year$3,085 $3,234 $2,408 
Deferrals, dividends, and changes in fair value1,084 (70)904 
Deferred compensation payments(494)(79)(78)
Balance, end of year$3,675 $3,085 $3,234