Equity Compensation (Equity Compensation Expense And Related Income Tax Benefit Recognized) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Restricted Stock
Equity Compensation [Abstract]
Pre-tax compensation expense	$ 1,375	$ 1,310	$ 3,863	$ 3,786
Tax benefit	351	335	985	966
Stock expense, net of tax	1,024	975	2,878	2,820
Performance Shares
Equity Compensation [Abstract]
Pre-tax compensation expense	1,086	680	2,149	2,577
Tax benefit	277	173	548	657
Stock expense, net of tax	$ 809	$ 507	$ 1,601	$ 1,920

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

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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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