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Employee Benefit Plans (Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Loss) (Details) - USD ($) $ in Thousands | 12 Months Ended
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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 |

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