Employee Benefit Plans (Net Periodic Pension Cost Of The Defined Benefit Plan) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Share-based Payment Arrangement, Noncash Expense [Abstract]
Interest cost	$ 448	$ 561	$ 590
Expected return on plan assets	(814)	(856)	(1,080)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	0	0	71
Net amortization and deferral	1,089	917	890
Net Periodic Pension Cost	$ 723	$ 622	$ 471