Capital Stock, Stock Awards, and Stock Options (Options Outstanding and Exercisable) (Details 3) - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding, Shares Outstanding	175,045	178,105
Options Outstanding, Weighted Average Remaining Contractual Life (in years)	3 years 4 months 24 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 622.80	$ 619.44
Options Exercisable, Shares Exercisable	136,415
Options Exercisable, Weighted Average Remaining Contractual Life (in years)	2 years 6 months
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 678.29
Exercise Price $427 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Low Exercise Price Range	$ 427
Options Outstanding, Shares Outstanding	71,045
Options Outstanding, Weighted Average Remaining Contractual Life (in years)	6 years 8 months 12 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 426.86
Options Exercisable, Shares Exercisable	32,415
Options Exercisable, Weighted Average Remaining Contractual Life (in years)	6 years 8 months 12 days
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 426.86
Exercise Price $719 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Low Exercise Price Range	$ 719
Options Outstanding, Shares Outstanding	77,258
Options Outstanding, Weighted Average Remaining Contractual Life (in years)	9 months 18 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 719.15
Options Exercisable, Shares Exercisable	77,258
Options Exercisable, Weighted Average Remaining Contractual Life (in years)	9 months 18 days
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 719.15
Exercise Price Range of $805-$872 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding, Shares Outstanding	26,742
Options Outstanding, Weighted Average Remaining Contractual Life (in years)	2 years
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 865.02
Options Exercisable, Shares Exercisable	26,742
Options Exercisable, Weighted Average Remaining Contractual Life (in years)	2 years
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 865.02
Exercise Price Range of $805-$872 [Member] | Minimum [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Low Exercise Price Range	805
Exercise Price Range of $805-$872 [Member] | Maximum [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Low Exercise Price Range	$ 872