Employee Benefit Plans (Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Share-based Payment Arrangement, Noncash Expense [Abstract]
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax	$ (530)	$ (1,092)	$ 838
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax	131	254	(1,211)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax	(399)	(838)	$ (373)
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax	8,182	7,652
Underfunded pension liability, deferred tax benefit	(1,912)	(1,781)
Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax	$ 6,270	$ 5,871