Stock Based Compensation Schedule of Other Stock Option Plan Information (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract]
Stock Options Granted (in shares)	58,710	58,880	55,511
Weighted Average Grant Date Information:
Fair Value of Options Granted, Weighted Average Grant Date (in dollars per share)	$ 7.43	$ 4.57	$ 4.56
Fair Value Assumptions:
Dividend Yield	2.90%	3.41%	2.90%
Expected Volatility	27.15%	26.53%	20.25%
Risk Free Interest Rate	1.69%	0.49%	1.53%
Expected Lives (in years)	8 years 6 months 21 days	8 years 9 months	6 years 8 months 4 days
Amount Expensed During the Year	$ 312	$ 282	$ 301
Compensation Costs for Non-vested Awards Not Yet Recognized	$ 542	$ 427	$ 440
Weighted Average Expected Vesting Period (in years)	2 years 2 months 19 days	2 years 1 month 28 days	2 years 2 months 1 day
Proceeds From Stock Options Exercised	$ 631	$ 1,505	$ 748
Tax Benefits Related to Stock Options Exercised	33	69	52
Intrinsic Value of Stock Options Exercised	$ 338	$ 439	$ 282