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v3.25.2

Segment Information - Schedule of Segment Profit or Loss (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Segment Reporting Information [Line Items] |  |  |  |
Operating Revenue | $ 333,043 | $ 342,336 | $ 670,396 | $ 689,404
Operating and Maintenance Expenses | 46,804 | 44,652 | 95,685 | 92,630
Depreciation and Amortization | 29,447 | 26,632 | 58,822 | 52,528
Property Taxes | 4,227 | 3,619 | 8,455 | 7,986
Interest Expense | 11,720 | 10,202 | 23,273 | 20,052
Selling, General, and Administrative Expenses | 17,352 | 18,154 | 38,644 | 37,067
Income Tax (Benefit) Expense | 13,652 | 20,592 | 23,737 | 38,400
Net Income | 77,728 | 86,995 | 145,827 | 161,333
Electric |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating Revenue | 128,731 | 112,828 | 278,451 | 254,317
Manufacturing |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating Revenue | 78,726 | 96,684 | 160,412 | 196,065
Plastics |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating Revenue | 125,586 | 132,824 | 231,533 | 239,022
Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Interest Expense | 11,695 | 10,089 | 23,120 | 19,761
Income Tax (Benefit) Expense | 15,173 | 22,061 | 26,730 | 41,263
Net Income | 75,780 | 85,932 | 145,459 | 160,402
Operating Segments | Electric |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating Revenue | 128,731 | 112,828 | 278,451 | 254,317
Production Fuel and Purchased Power | 31,789 | 21,573 | 76,980 | 61,789
Operating and Maintenance Expenses | 46,804 | 44,652 | 95,685 | 92,630
Depreciation and Amortization | 22,278 | 20,387 | 44,655 | 40,273
Property Taxes | 4,227 | 3,619 | 8,455 | 7,986
Interest Expense | 10,822 | 9,307 | 21,479 | 18,261
Income Tax (Benefit) Expense | (4,469) | (1,401) | (8,477) | (225)
Other Segment Items | (1,915) | (3,794) | (4,229) | (7,353)
Net Income | 19,195 | 18,485 | 43,903 | 40,956
Operating Segments | Manufacturing |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating Revenue | 78,726 | 96,684 | 160,412 | 196,065
Depreciation and Amortization | 5,523 | 5,087 | 10,946 | 9,999
Interest Expense | 627 | 631 | 1,249 | 1,202
Cost of Goods Sold | 63,311 | 75,620 | 131,827 | 156,235
Selling, General, and Administrative Expenses | 10,350 | 11,464 | 21,093 | 22,816
Income Tax (Benefit) Expense | 958 | 2,135 | 1,230 | 3,717
Other Segment Items | (1) | (1) | 0 | (1)
Net Income | 3,481 | 6,835 | 5,013 | 12,096
Operating Segments | Plastics |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating Revenue | 125,586 | 132,824 | 231,533 | 239,022
Depreciation and Amortization | 1,588 | 1,133 | 3,135 | 2,208
Interest Expense | 246 | 151 | 392 | 298
Cost of Goods Sold | 46,929 | 44,998 | 87,016 | 82,809
Selling, General, and Administrative Expenses | 6,623 | 5,737 | 13,608 | 10,821
Income Tax (Benefit) Expense | 18,684 | 21,327 | 33,977 | 37,771
Other Segment Items | 0 | (1) | (3) | (27)
Net Income | $ 53,104 | $ 60,612 | $ 96,543 | $ 107,350

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