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Share Based Compensation (Tables)	3 Months Ended
Share Based Compensation (Tables)	Mar. 31, 2022
Share-Based Compensation [Abstract]
Schedule of share-based compensation expense in its Consolidated Statements of Income [Table Text Block]	Three Months Ended March 31, 2022 2021 Stock options $ 267 $ 308 Non-vested stock awards and restricted stock units 1,548 1,396 Non-elective and elective 401(k) matching contribution in stock — 1,553 Director stock ownership plan 24 203 Performance stock units 623 319 Total share-based compensation expense $ 2,462 $ 3,779
Schedule of Black-Scholes option pricing model and the assumptions [Table Text Block]	March 2022 Grant Number of options granted 27,077 Dividend yield 0.80 % Expected volatility 38.60 % Risk-free interest rate 2.07 % Expected term (years) 4.0
Schedule of Monte Carlo option pricing model and the assumptions [Text Block]	March 2022 Grant Number of PSUs granted 16,820 Risk-free interest rate 2.11 % Dividend yield 0.93 % Expected term (years) 3.0