Environmental Costs (Schedule of Change in Environmental Remediation) (Details) - Accruals and Payable and Other Long Term Liabilities - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accrual for Environmental Loss Contingencies [Roll Forward]
Net additions to accrual	$ 382	$ 391
Payments	(504)	(482)
Accrual for Environmental Loss Contingencies, Accruals & Payables and Other Long-Term Liabilities	$ 5,836	$ 5,958	$ 6,049

Accrual for Environmental Loss Contingencies, Accruals & Payables and Other Long-Term Liabilities

No definition available.

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- Definition

Amount of expense for newly incurred environmental loss contingencies. Includes, but is not limited to, remediation expense and interest accretion.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.Y.Q1)
-URI https://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751

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- Definition

Amount of cash outflow to settle environmental loss contingencies.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 17
-Subparagraph (f)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3367-108585

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.Y.Q1)
-URI https://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751

+ Details

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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