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CONDENSED CONSOLIDATED STATEMENTS OF INCOME Unaudited - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Income Statement [Abstract] |  |
Operating revenue | $ 126,111 | $ 134,553
Operations: |  |
Water production costs | 45,592 | 47,606
Administrative and general | 29,097 | 26,319
Other operations | 17,821 | 17,640
Maintenance | 6,455 | 5,439
Depreciation and amortization | 22,368 | 20,715
Income tax (benefit) expense | (2,991) | 294
Property and other taxes | 7,293 | 6,704
Total operating (income) expenses | 125,635 | 124,717
Net operating income | 476 | 9,836
Other income and expenses: |  |
Non-regulated revenue | 4,901 | 4,419
Non-regulated expenses | (2,219) | (5,437)
Other components of net periodic benefit cost | (1,259) | (2,546)
Allowance for equity funds used during construction | 1,533 | 911
Income tax (expense) benefit on other income and expenses | (828) | 758
Net other income (loss) | 2,128 | (1,895)
Interest expense: |  |
Interest expense | 11,075 | 9,198
Allowance for borrowed funds used during construction | (831) | (495)
Net interest expense | 10,244 | 8,703
Net loss | $ (7,640) | $ (762)
Loss per share: |  |
Basic (in dollars per share) | $ (0.16) | $ (0.02)
Diluted (in dollars per share) | $ (0.16) | $ (0.02)
Weighted average shares outstanding: |  |
Basic (in shares) | 48,086 | 48,030
Diluted (in shares) | 48,086 | 48,030

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