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Employee Benefit Plans (Amounts Recognized in Consolidated Balance Sheets) (Details) - Employee Pension Plans [Member] - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Funded Status |  |
Funded status | $ (29,250) | $ (32,760)
Net unfunded amounts recognized in Consolidated Balance Sheets consist of: |  |
Current liabilities | (279) | (262)
Long-term liabilities | (28,971) | (32,498)
Total net unfunded amount recognized in Consolidated Balance Sheets | $ (29,250) | $ (32,760)

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