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Segment Information (Tables)
 3 Months Ended
Mar. 31, 2021
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information by Segment The following table presents financial information about our reportable segments:
Three Months Ended
March 31,
20212020
(in thousands)
Operating Revenues, Unaffiliated Customers
Regulated Energy$120,721 $102,469 
Unregulated Energy70,466 50,221 
Total operating revenues, unaffiliated customers$191,187 $152,690 
Intersegment Revenues (1)
Regulated Energy$476 $486 
Unregulated Energy4,293 3,791 
Other businesses132 132 
Total intersegment revenues$4,901 $4,409 
Operating Income
Regulated Energy$32,864 $27,888 
Unregulated Energy19,105 13,862 
Other businesses and eliminations(372)384 
Operating income51,597 42,134 
Other income, net385 3,319 
Interest charges5,105 5,814 
Income from Continuing Operations before Income Taxes46,877 39,639 
Income Taxes on Continuing Operations12,405 10,598 
Income from Continuing Operations34,472 29,041 
Loss from Discontinued Operations, Net of Tax(6)(111)
Net Income$34,466 $28,930 
(1) All significant intersegment revenues are billed at market rates and have been eliminated from consolidated operating revenues.


(in thousands)March 31, 2021December 31, 2020
Identifiable Assets
Regulated Energy segment$1,559,260 $1,547,619 
Unregulated Energy segment 352,271 347,665 
Other businesses and eliminations42,419 37,203 
Total identifiable assets $1,953,950 $1,932,487