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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Income Statement [Abstract] |  |
Operating revenue | $ 172,993 | $ 147,737
Operations: |  |
Water production costs | 61,538 | 54,826
Administrative and general | 33,411 | 30,369
Other operations | 25,852 | 17,912
Maintenance | 7,341 | 6,769
Depreciation and amortization | 28,770 | 27,047
Income tax benefit | (1,417) | (101)
Property and other taxes | 8,360 | 7,996
Total operating expenses | 163,855 | 144,818
Net operating income | 9,138 | 2,919
Other income and expenses: |  |
Non-regulated revenue | 5,197 | 5,572
Non-regulated expenses | (6,986) | (4,760)
Other components of net periodic benefit credit | 4,014 | 2,979
Allowance for equity funds used during construction | 975 | 544
Income tax expense on other income and expenses | (512) | (358)
Net other income | 2,688 | 3,977
Interest expense: |  |
Interest expense | 11,495 | 10,222
Allowance for borrowed funds used during construction | (563) | (294)
Net interest expense | 10,932 | 9,928
Net income (loss) | 894 | (3,032)
Net loss attributable to noncontrolling interests | (192) | 0
Net income (loss) attributable to California Water Service Group | $ 1,086 | $ (3,032)
Earnings (loss) per share of common stock: |  |
Basic (in dollars per share) | $ 0.02 | $ (0.06)
Diluted (in dollars per share) | $ 0.02 | $ (0.06)
Weighted average shares outstanding: |  |
Basic (in shares) | 53,731 | 50,440
Diluted (in shares) | 53,775 | 50,440

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