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Plant Acquisition - Identifiable Assets Acquired and Liabilities Assumed (Details) - Washington County Power - Natural Gas Processing Plant
$ in Thousands
Dec. 31, 2022
USD ($)
Plant Acquisition [Line Items]  
Electric plant in service, net $ 80,878
Inventories, at average cost 981
Other current assets 417
Power purchase and sale agreement (4,708)
Other current liabilities (158)
Total identifiable net assets $ 86,826