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v3.20.4

Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Income Statement [Abstract] |  |  |
Operating revenue | $ 794,307 | $ 714,557 | $ 698,196
Operations: |  |  |
Purchased water | 230,076 | 212,461 | 207,103
Purchased power | 34,006 | 31,362 | 31,080
Pump taxes | 12,647 | 11,518 | 14,664
Administrative and general | 117,058 | 108,617 | 100,781
Other operations | 95,859 | 90,061 | 79,868
Maintenance | 28,026 | 26,834 | 24,494
Depreciation and amortization | 98,505 | 89,220 | 83,781
Income taxes | 11,435 | 16,280 | 18,589
Property and other taxes | 30,029 | 28,792 | 27,296
Total operating expenses | 657,641 | 615,145 | 587,656
Net operating income | 136,666 | 99,412 | 110,540
Other income and expenses: |  |  |
Non-regulated revenue | 16,922 | 19,205 | 18,272
Non-regulated expenses | (14,300) | (13,869) | (22,787)
Other components of net periodic benefit cost | (4,988) | (5,733) | (9,308)
Allowance for equity funds used during construction | 4,976 | 6,685 | 3,954
Gain on sale of non-utility property | 0 | 28 | 50
Income tax (expense) benefit on other income and expenses | (583) | (1,391) | 2,717
Net other income (loss) | 2,027 | 4,925 | (7,102)
Interest expense: |  |  |
Interest expense | 45,047 | 44,891 | 39,917
Allowance for borrowed funds used during construction | (3,185) | (3,670) | (2,063)
Net interest expense | 41,862 | 41,221 | 37,854
Net income | $ 96,831 | $ 63,116 | $ 65,584
Earnings per share: |  |  |
Basic (in dollars per share) | $ 1.97 | $ 1.31 | $ 1.36
Diluted (in dollars per share) | $ 1.97 | $ 1.31 | $ 1.36
Weighted average number of common shares outstanding: |  |  |
Basic (in shares) | 49,274 | 48,168 | 48,060
Diluted (in shares) | 49,274 | 48,168 | 48,060

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