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Stock Compensation Plans (Narrative) (Details) - $ / shares	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025	Dec. 31, 2024
Restricted performance stock rights
Stock awards
Stock Awards, Granted	100,000	200,000
Stock awards, weighted-average grant date fair value	$ 435.58	$ 168.81
Restricted performance stock rights | Minimum
Stock awards
Restricted performance stock rights ultimate vesting percentage	0.00%
Restricted performance stock rights | Maximum
Stock awards
Restricted performance stock rights ultimate vesting percentage	200.00%
Compensation restricted stock rights
Stock awards
Stock Awards, Granted	100,000	100,000
Stock awards, weighted-average grant date fair value	$ 435.58	$ 168.81
Compensation restricted stock rights | Share-Based Payment Arrangement, Tranche One
Stock awards
Stock rights, vesting percentage	33.33%
Compensation restricted stock rights | Share-Based Payment Arrangement, Tranche Two
Stock awards
Stock rights, vesting percentage	33.33%
Compensation restricted stock rights | Share-Based Payment Arrangement, Tranche Three
Stock awards
Stock rights, vesting percentage	33.33%
Retention restricted stock rights
Stock awards
Stock Awards, Granted		1,300
Stock awards, weighted-average grant date fair value		$ 189.40
Retention restricted stock rights | Minimum
Stock awards
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period		1 year
Retention restricted stock rights | Maximum
Stock awards
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period		2 years
Stock Awards [Member]
Stock awards
Stock Awards, Granted	116,000	301,000
Stock awards, weighted-average grant date fair value	$ 242.54	$ 199.42	$ 199.43	$ 221.59

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-Topic 718
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-Name Accounting Standards Codification
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