Employee Benefit Plans (Net Periodic Pension Cost Of The Defined Benefit Plan) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Share-based Payment Arrangement, Noncash Expense [Abstract]
Interest cost	$ 561	$ 590	$ 772
Expected return on plan assets	(856)	(1,080)	(1,219)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	0	71	(104)
Net amortization and deferral	917	890	849
Net Periodic Pension Cost	$ 622	$ 471	$ 298