Equity Compensation (Equity Compensation Expense And Related Income Tax Benefit Recognized) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Restricted Stock
Equity Compensation [Abstract]
Pre-tax compensation expense	$ 1,606	$ 1,375	$ 4,693	$ 3,863
Tax benefit	410	351	1,197	985
Stock expense, net of tax	1,196	1,024	3,496	2,878
Performance Shares
Equity Compensation [Abstract]
Pre-tax compensation expense	1,144	1,086	3,299	2,149
Tax benefit	291	277	841	548
Stock expense, net of tax	$ 853	$ 809	$ 2,458	$ 1,601

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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-Name Accounting Standards Codification
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