Annual report pursuant to Section 13 and 15(d)

Stock Compensation (Schedule of Valuation Assumptions) (Details)

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Stock Compensation (Schedule of Valuation Assumptions) (Details) - Stock Options [Member] - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Stock option expense for the year ( in 000's) $ 712 $ 412 $ 299
Aggregate exercise date intrinsic value of options exercised during the year ( in 000's) $ 4,559 $ 305 $ 1,567
Expected life of options in years, based upon historical experience 5 years 5 years 5 years
Risk-free interest rate 0.80% 0.40% 2.00%
Expected volatility, based upon historical volatility 15.40% 22.30% 22.20%
Expected dividend yield 2.60% 3.30% 2.60%
Average estimated value of options granted during the year $ 14.40 $ 15.27 $ 26.85