Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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Employee Benefit Plans (Restricted Shares Activity And Related Information) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024	Dec. 31, 2023
Average Market Price at Grant
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	$ 97.59		$ 84.22	$ 97.59	$ 84.22
Restricted Stock
Restricted Awards Activity
Beginning Balance (in shares)		134,949		134,949	135,558
Granted (in shares)				40,495	28,680
Vested (in shares)				(42,120)	(33,298)
Ending Balance (in shares)	133,324		130,940	133,324	130,940
Average Market Price at Grant
Granted (in dollars per share)				$ 114.73	$ 100.32
Stock-based compensation expense associated with restricted shares, RSUs, and PSUs	$ 838		$ 707	$ 1,557	$ 1,455
Unrecognized stock-based compensation expense associated with restricted shares	$ 8,174			$ 8,174		$ 6,429
Weighted average period (in years) in which the above amount is expected to be recognized		3 years 4 months 24 days		3 years 3 months 18 days
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value						$ 84.90	$ 79.19
Vested (in dollars per share)				$ 72.16	$ 77.59