Assumptions Used in Valuation of Issued Stock Options (Details)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share-Based Payment Arrangement [Abstract]
Risk-free interest rate	2.90%	1.30%	0.50%
Expected life in years	7 years 1 month 6 days	7 years 2 months 12 days	7 years 3 months 18 days
Expected volatility	21.70%	20.70%	19.90%
Dividend yield	1.20%	1.20%	1.30%