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v3.21.2

Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Disaggregation of Revenue [Line Items] |  |  |  |
Total Operating Revenues | $ 316,294 | $ 235,755 | $ 863,612 | $ 663,258
Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Operating Revenues from Contracts with Customers | 316,327 | 232,977 | 866,402 | 660,358
Operating Segments | Electric |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Operating Revenues | 118,775 | 115,213 | 348,629 | 333,213
Electric Segment - ARP Revenues | (33) | 2,778 | (2,790) | 2,900
Operating Segments | Manufacturing |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Operating Revenues | 89,977 | 59,849 | 250,085 | 174,276
Operating Segments | Plastics |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Operating Revenues | 107,542 | 60,693 | 264,898 | 155,769
Operating Segments | Retail: Residential | Electric |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Operating Revenues | 33,902 | 32,734 | 100,067 | 96,440
Operating Segments | Retail: Commercial and Industrial | Electric |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Operating Revenues | 60,557 | 64,918 | 185,376 | 189,771
Operating Segments | Retail: Other | Electric |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Operating Revenues | 1,979 | 1,953 | 5,687 | 5,550
Operating Segments | Total Retail | Electric |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Operating Revenues | 96,438 | 99,605 | 291,130 | 291,761
Operating Segments | Transmission | Electric |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Operating Revenues | 13,300 | 12,288 | 37,085 | 32,802
Operating Segments | Wholesale | Electric |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Operating Revenues | 6,944 | 1,500 | 14,711 | 3,141
Operating Segments | Other | Electric |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Operating Revenues | 2,093 | 1,820 | 5,703 | 5,509
Operating Segments | Metal Parts and Tooling | Manufacturing |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Operating Revenues | 76,455 | 50,957 | 210,141 | 145,435
Operating Segments | Plastic Products and Tooling | Manufacturing |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Operating Revenues | 10,198 | 7,600 | 30,624 | 25,323
Operating Segments | Scrap Metal Sales | Manufacturing |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Operating Revenues | $ 3,324 | $ 1,292 | $ 9,320 | $ 3,518

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