v3.25.2
Investments (Schedule Of Investments) (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Schedule of Invested Securities [Line Items]    
Equity, Cost $ 2,141 $ 2,141
Equity Method Investment Gross Unrealized Gains 2,208 2,164
Equity, Fair Value 4,349 4,305
Other, Cost 2,191 2,224
Other Gross Unrealized Gains 2,216 2,189
Other, Fair Value 4,407 4,413
Total Other 2,199 2,249
Total Investments 314,280 294,890
Total Nuclear decommissioning trust 312,081 292,641
Nuclear Decommissioning Trust [Member]    
Schedule of Invested Securities [Line Items]    
Investments, Debt securities, Cost 110,549 108,556
Investments, Debt securities, Gross Unrealized Losses (12,864) (14,958)
Investments, Debt securities 97,685 93,598
Investments, Equity securities, Cost 96,532 95,731
Investments, Equity securities, Gross Unrealized Gains 122,255 107,329
Investments, Equity securities, Gross Unrealized Losses (4,819) (4,067)
Investments, Equity securities 213,968 198,993
Investments, Cash and other 428 50
Investments, Cost 207,509 204,337
Investments, Gross Unrealized Gains 122,255 107,329
Investments, Gross Unrealized Losses (17,683) (19,025)
Total Nuclear decommissioning trust 312,081 292,641
Other [Member]    
Schedule of Invested Securities [Line Items]    
Investments, Equity securities, Cost 50 83
Investments, Equity securities, Gross Unrealized Gains 8 25
Total Investments $ 58 $ 108