Stock Award Plans, Director Plan Outstanding and Exercisable Options (Details) - Director Plan [Member] - Employee Stock Option [Member] $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($) $ / shares shares
First Price Range [Member]
Outstanding and Exercisable Stock options [Abstract]
Range of Exercise Prices, lower limit (in dollars per share)	$ 70.65
Options Outstanding [Abstract]
Number Outstanding (in shares) | shares	3,188
Weighted Average Remaining Contractual Life	10 months 24 days
Weighted Average Exercise Price, Options Outstanding (in dollars per share)	$ 70.65
Options Exercisable [Abstract]
Number Exercisable (in shares) | shares	3,188
Weighted Average Exercise Price, Options Exercisable (in dollars per share)	$ 70.65
Second Price Range [Member]
Outstanding and Exercisable Stock options [Abstract]
Range of Exercise Prices, lower limit (in dollars per share)	$ 84.9
Options Outstanding [Abstract]
Number Outstanding (in shares) | shares	2,652
Weighted Average Remaining Contractual Life	1 year 4 months 24 days
Weighted Average Exercise Price, Options Outstanding (in dollars per share)	$ 84.9
Options Exercisable [Abstract]
Number Exercisable (in shares) | shares	2,652
Weighted Average Exercise Price, Options Exercisable (in dollars per share)	$ 84.9
Third Price Range [Member]
Outstanding and Exercisable Stock options [Abstract]
Range of Exercise Prices, lower limit (in dollars per share)	$ 85.3
Options Outstanding [Abstract]
Number Outstanding (in shares) | shares	2,640
Weighted Average Remaining Contractual Life	1 year
Weighted Average Exercise Price, Options Outstanding (in dollars per share)	$ 85.3
Options Exercisable [Abstract]
Number Exercisable (in shares) | shares	2,640
Weighted Average Exercise Price, Options Exercisable (in dollars per share)	$ 85.3
Full Exercise Price Range [Member]
Outstanding and Exercisable Stock options [Abstract]
Range of Exercise Prices, lower limit (in dollars per share)	70.65
Share-Based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit	$ 85.3
Options Outstanding [Abstract]
Number Outstanding (in shares) | shares	8,480
Weighted Average Remaining Contractual Life	3 years 3 months 18 days
Weighted Average Exercise Price, Options Outstanding (in dollars per share)	$ 79.67
Aggregate Intrinsic Value, Options Outstanding | $	$ 222
Options Exercisable [Abstract]
Number Exercisable (in shares) | shares	8,480
Weighted Average Exercise Price, Options Exercisable (in dollars per share)	$ 79.67
Aggregate Intrinsic Value, Options Exercisable | $	$ 222