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Retirement Plans, Amounts Recognized in Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Pension Plan [Member]
Amounts recognized in the consolidated balance sheets [Abstract]
Current liability	$ 0	$ 0
Long-term liability	(64,451)	(113,557)
SERP [Member]
Amounts recognized in the consolidated balance sheets [Abstract]
Current liability	(128)	(159)
Long-term liability	(905)	(1,015)
Other Postretirement Benefits [Member]
Amounts recognized in the consolidated balance sheets [Abstract]
Current liability	(49)	(58)
Long-term liability	$ (533)	$ (571)

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- Definition

Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as current.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent.

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