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v3.23.1

Segment Information - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Segment Reporting Information [Line Items] |  |  |
Total Operating Revenues | $ 339,081 | $ 374,904 |
Net Income (Loss) | 62,481 | 72,003 |
Identifiable Assets | 2,987,410 |  | $ 2,901,661
Corporate |  |  |
Segment Reporting Information [Line Items] |  |  |
Net Income (Loss) | (1,288) | (2,160) |
Identifiable Assets | 163,159 |  | 177,513
Electric | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Operating Revenues | 151,909 | 130,416 |
Net Income (Loss) | 23,221 | 19,233 |
Identifiable Assets | 2,418,544 |  | 2,351,961
Manufacturing | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Operating Revenues | 106,782 | 104,957 |
Net Income (Loss) | 6,862 | 4,084 |
Identifiable Assets | 256,451 |  | 245,869
Plastics | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total Operating Revenues | 80,390 | 139,531 |
Net Income (Loss) | 33,686 | $ 50,846 |
Identifiable Assets | $ 149,256 |  | $ 126,318

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