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Debt And Credit Agreements (Schedule Of Borrowings Under Credit Agreement At Various Indebtedness To Adjusted EBITDA Levels) (Details)	12 Months Ended
	Dec. 31, 2023 Rate
over 66% of $125 million aggregate commitment
Line of Credit Facility [Line Items]
Credit Spread Over Secured Overnight Financing Rate Basis Points	22500.00%
Credit Spread over Alternate Base Rate Basis Points	12500.00%
Line of Credit Facility, Commitment Fee Amount	40
less than 66% but over 33% of $125 million aggregate commitment
Line of Credit Facility [Line Items]
Credit Spread Over Secured Overnight Financing Rate Basis Points	25000.00%
Credit Spread over Alternate Base Rate Basis Points	15000.00%
Line of Credit Facility, Commitment Fee Amount	40
less then 33% of $125 million aggregate commitment
Line of Credit Facility [Line Items]
Credit Spread Over Secured Overnight Financing Rate Basis Points	27500.00%
Credit Spread over Alternate Base Rate Basis Points	17500.00%
Line of Credit Facility, Commitment Fee Amount	40

X

- Definition

Commitment Fee on Credit Facility, basis points

+ References

No definition available.

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- Definition

Credit Spread over Alternate Base Rate Basis Points

+ References

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- Definition

Credit spread over SOFR basis points.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1

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