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v3.22.4

Segment Information - Business Segments (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Segment Reporting Information [Line Items] |  |  |
Operating Revenue | $ 1,460,209 | $ 1,196,844 | $ 890,107
Depreciation and Amortization | 92,597 | 91,358 | 82,037
Operating Income (Loss) | 390,439 | 249,708 | 147,886
Interest Charges | 36,016 | 37,771 | 34,447
Income Tax Expense (Benefit) | 73,351 | 36,052 | 20,206
Net Income (Loss) | 284,184 | 176,769 | 95,851
Capital Expenditures | 171,134 | 171,829 | 371,553
Identifiable Assets | 2,901,661 | 2,754,830 |
Corporate |  |  |
Segment Reporting Information [Line Items] |  |  |
Depreciation and Amortization | 140 | 225 | 329
Operating Income (Loss) | (16,342) | (14,130) | (13,123)
Interest Charges | 685 | 1,902 | 1,740
Income Tax Expense (Benefit) | (5,723) | (4,689) | (4,931)
Net Income (Loss) | (12,114) | (10,698) | (9,557)
Capital Expenditures | 66 | 68 | 63
Identifiable Assets | 177,513 | 57,445 |
Electric |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Revenue | 549,699 | 480,321 | 446,088
Electric | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Revenue | 549,699 | 480,321 | 446,088
Depreciation and Amortization | 72,050 | 71,343 | 63,171
Operating Income (Loss) | 113,138 | 106,964 | 107,083
Interest Charges | 31,950 | 33,043 | 29,848
Income Tax Expense (Benefit) | 5,065 | 1,663 | 12,480
Net Income (Loss) | 79,974 | 72,458 | 66,778
Capital Expenditures | 147,869 | 140,031 | 356,581
Identifiable Assets | 2,351,961 | 2,283,776 |
Manufacturing |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Revenue | 397,983 | 336,294 | 238,770
Manufacturing | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Revenue | 397,983 | 336,294 | 238,770
Depreciation and Amortization | 16,202 | 15,436 | 14,933
Operating Income (Loss) | 29,065 | 24,114 | 16,103
Interest Charges | 2,796 | 2,239 | 2,215
Income Tax Expense (Benefit) | 5,321 | 4,704 | 2,939
Net Income (Loss) | 20,950 | 17,186 | 11,048
Capital Expenditures | 17,954 | 20,690 | 10,587
Identifiable Assets | 245,869 | 251,044 |
Plastics |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Revenue | 512,527 | 380,229 | 205,249
Plastics | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Revenue | 512,527 | 380,229 | 205,249
Depreciation and Amortization | 4,205 | 4,354 | 3,604
Operating Income (Loss) | 264,578 | 132,760 | 37,823
Interest Charges | 585 | 587 | 644
Income Tax Expense (Benefit) | 68,688 | 34,374 | 9,718
Net Income (Loss) | 195,374 | 97,823 | 27,582
Capital Expenditures | 5,245 | 11,040 | $ 4,322
Identifiable Assets | $ 126,318 | $ 162,565 |

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