Equity Compensation (Equity Compensation Expense And Related Income Tax Benefit Recognized) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Restricted Stock
Equity Compensation [Abstract]
Pre-tax compensation expense	$ 1,310	$ 1,028	$ 3,786	$ 3,091
Tax benefit	335	262	966	788
Stock expense, net of tax	975	766	2,820	2,303
Performance Shares
Equity Compensation [Abstract]
Pre-tax compensation expense	680	992	2,577	2,319
Tax benefit	173	253	657	591
Stock expense, net of tax	$ 507	$ 739	$ 1,920	$ 1,728