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Employee Benefit Plans (Amounts Recognized in the Balance Sheets) (Details) - Pension Benefits [Member] - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Current liabilities	$ 0	$ 0
Noncurrent liabilities	(35)	(7,045)
Net amount recognized at December 31	$ (35)	$ (7,045)

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- Definition

Amount of asset (liability), recognized in statement of financial position, for defined benefit pension and other postretirement plans.

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