Stock Based Compensation Fair Value Assumptions for Stock Options (Details) - Five Year Service Stock Options [Member] - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Risk-free interest rate	0.66%	1.42%	2.51%
Expected volatility	31.66%	29.15%	28.81%
Expected term (in years)	5 years 6 months	5 years 7 months 6 days	5 years 10 months 24 days
Weighted average grant date fair value of options granted during the period	$ 15.69	$ 12.65	$ 9.06