Equity Compensation (Equity Compensation Expense And Related Income Tax Benefit Recognized) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Restricted Stock
Equity Compensation [Abstract]
Pre-tax compensation expense	$ 1,538	$ 1,090	$ 3,087	$ 2,488
Tax benefit	392	278	787	634
Stock expense, net of tax	1,146	812	2,300	1,854
Performance Shares
Equity Compensation [Abstract]
Pre-tax compensation expense	1,209	53	2,155	1,063
Tax benefit	309	13	550	271
Stock expense, net of tax	$ 900	$ 40	$ 1,605	$ 792