Stock-Based Compensation (Schedules of Executive Management Share-based Compensation Activity) (Details) - Performance Shares - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Number of shares
Shares potentially payable, beginning balance	127,805	138,808	135,941
Forfeitures (in shares)	(39,057)	(14,689)	(9,035)
Payments (in shares)	(59,180)	(77,782)	(112,279)
Grants (in shares)	195,506
Shares accrued based on performance (in shares)	21,226	81,468	124,181
Shares potentially payable, ending balance	246,300	127,805	138,808
Weighted average grant date value per share
Shares potentially payable, beginning balance (in dollars per share)	$ 85.69	$ 84.41	$ 79.11
Forfeitures (in dollars per share)	87.50	92.02	92.02
Payments (in dollars per share)	87.62	89.44	86.35
Shares accrued based on performance (in dollars per share)	88.33	91.80	92.52
Grants (in dollars per share)	72.45
Shares potentially payable, ending balance (in dollars per share)	$ 79.34	$ 85.69	$ 84.41
Year-end intrinsic value
Year-end intrinsic value	$ 19,541	$ 10,952	$ 11,717	$ 10,754