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Financial Statement Schedule - Condensed Statements of Comprehensive Income (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Condensed Financial Statements, Captions [Line Items] |  |  |
Operating revenue | $ 748,439 | $ 670,363 | $ 620,698
Operating expense: |  |  |
Administrative and general | 105,830 | 98,656 | 95,404
Property taxes and other non-income taxes | 35,928 | 34,475 | 32,572
Total operating expense | 577,936 | 520,928 | 489,720
Operating income | 170,503 | 149,435 | 130,978
Other (expense) income: |  |  |
Interest on long-term debt and other interest expense | (71,390) | (66,144) | (58,062)
Other, net | 55 | 8,882 | 4,385
Income before income taxes | 102,937 | 90,943 | 82,324
Income Tax Expense (Benefit) | 8,970 | 5,956 | 8,496
Net income | 93,967 | 84,987 | 73,828
Other comprehensive income, net | 169 | 314 | 1,640
Comprehensive income | 94,136 | 85,301 | 75,468
SJW Group |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Operating revenue | 0 | 0 | 0
Operating expense: |  |  |
Administrative and general | 5,568 | 2,239 | 1,977
Property taxes and other non-income taxes | 388 | 80 | 93
Total operating expense | 5,956 | 2,319 | 2,070
Operating income | (5,956) | (2,319) | (2,070)
Other (expense) income: |  |  |
Interest on long-term debt and other interest expense | (18,022) | (17,692) | (17,795)
Interest income on intercompany notes receivable | 6,756 | 3,862 | 81
Other, net | (3,456) | 1,034 | (421)
Income before income taxes | (20,678) | (15,115) | (20,205)
Income Tax Expense (Benefit) | (5,727) | (4,294) | (5,523)
Equity earnings from subsidiaries, net of taxes | 108,918 | 95,808 | 88,510
Subsidiaries |  |  |
Other (expense) income: |  |  |
Equity earnings from subsidiaries, net of taxes | $ 108,918 | $ 95,808 | $ 88,510

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