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Stock-Based Compensation (Stock-Based Compensation Expense And Related Income Tax Benefit Recognized) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	$ 66	$ 84	$ 132	$ 186
Tax benefit	26	34	52	75
Stock expense, net of tax	40	50	80	111
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	1,223	1,027	2,458	2,047
Tax benefit	486	416	977	829
Stock expense, net of tax	$ 737	$ 611	$ 1,481	$ 1,218

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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