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Segment Information
 9 Months Ended
Sep. 30, 2023
Segment Reporting [Abstract]  
Segment Information Segment Information
The classification of our business into three segments, Electric, Manufacturing, and Plastics is consistent with our business strategy, organizational structure and our internal reporting and review processes used by our chief operating decision maker to make decisions regarding allocation of resources, to assess operating performance and to make strategic decisions.
Certain assets and costs are not allocated to our operating segments. Corporate operating costs include items such as corporate staff and overhead costs, the results of our captive insurance company and other items excluded from the measurement of operating segment performance. Corporate assets consist primarily of cash and cash equivalents, prepaid expenses, investments and fixed assets. Corporate is not an operating segment, rather it is added to operating segment totals to reconcile to consolidated amounts.
Information for each segment and our unallocated corporate costs for the three and nine months ended September 30, 2023 and 2022 are as follows:
Three Months Ended September 30,Nine Months Ended September 30,
(in thousands)2023202220232022
Operating Revenue
Electric$130,326 $142,747 $395,997 $404,112 
Manufacturing100,678 98,767 309,936 306,921 
Plastics127,052 142,342 328,920 447,767 
Total$358,056 $383,856 $1,034,853 $1,158,800 
Net Income (Loss)
Electric$24,565 $24,847 $67,420 $62,938 
Manufacturing7,446 6,219 20,276 17,858 
Plastics59,162 55,982 148,240 170,788 
Corporate801 (2,809)488 (9,405)
Total$91,974 $84,239 $236,424 $242,179 
The following provides the identifiable assets by segment and corporate assets as of September 30, 2023 and December 31, 2022:
(in thousands)September 30,
2023		December 31,
2022
Identifiable Assets
Electric$2,489,682 $2,351,961 
Manufacturing261,044 245,869 
Plastics186,833 126,318 
Corporate249,910 177,513 
Total$3,187,469 $2,901,661