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Summary Of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Millions		6 Months Ended
	Jul. 20, 2023	Jun. 30, 2023	Jul. 14, 2023
Prudential Private Placement Shelf Agreement
Concentration Risk [Line Items]
Maximum borrowing capacity		$ 100.0
Debt maturity date		Aug. 01, 2023
Subsequent Event [Member] \| Prudential Private Placement Shelf Agreement
Concentration Risk [Line Items]
Maximum borrowing capacity	$ 200.0
Debt maturity date	Aug. 01, 2026
Shepherd Electric Supply [Member] \| Subsequent Event [Member]
Concentration Risk [Line Items]
Percentage of interest acquired			100.00%