Share Incentive Plans, Assumptions for Options Granted Under 2021 Plan (Details) - 2021 Plan [Member] - Stock Options [Member] - $ / shares					6 Months Ended
	May 12, 2023	Apr. 29, 2022	Mar. 14, 2022	May 17, 2021	Jun. 30, 2023
May 17, 2021 [Member]
Share Incentive Plans [Abstract]
Number of options granted (in shares)				7,500
Options outstanding (in shares)					7,500
Number exercisable (in shares)					5,100
Exercise price (in dollars per share)					$ 45.05
Remaining lives					7 years 10 months 17 days
Risk free interest rate					0.84%
Expected volatility					31.50%
Expected life					6 years
Dividend yield					0.63%
Fair value at grant date (in dollars per share)					$ 13.23
March 14, 2022 [Member]
Share Incentive Plans [Abstract]
Number of options granted (in shares)			100,000
Options outstanding (in shares)					73,816
Number exercisable (in shares)					25,295
Exercise price (in dollars per share)					$ 30.46
Remaining lives					8 years 8 months 15 days
Risk free interest rate					2.10%
Expected volatility					35.33%
Expected life					6 years
Dividend yield					1.01%
Fair value at grant date (in dollars per share)					$ 10.23
April 29, 2022 [Member]
Share Incentive Plans [Abstract]
Number of options granted (in shares)		14,827
Options outstanding (in shares)					14,827
Number exercisable (in shares)					5,042
Exercise price (in dollars per share)					$ 31.39
Remaining lives					8 years 10 months 2 days
Risk free interest rate					2.92%
Expected volatility					35.33%
Expected life					6 years
Dividend yield					0.98%
Fair value at grant date (in dollars per share)					$ 11.07
May 12, 2023 [Member]
Share Incentive Plans [Abstract]
Number of options granted (in shares)	77,519
Options outstanding (in shares)					77,519
Number exercisable (in shares)					38,760
Exercise price (in dollars per share)					$ 20.71
Remaining lives					9 years 10 months 13 days
Risk free interest rate					3.41%
Expected volatility					34.51%
Expected life					5 years 2 months 7 days
Dividend yield					1.61%
Fair value at grant date (in dollars per share)					$ 6.45