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v3.19.3.a.u2

Quarterly Summary of Operations (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Operating Revenues: |  |  |  |  |  |  |  |  |  |  |  |
Electric revenues | $ 93,613 | $ 120,821 | $ 97,077 | $ 97,469 | $ 88,464 | $ 119,388 | $ 99,282 | $ 94,867 | $ 408,980 | $ 402,001 | $ 414,274 |
Gas revenues | 47,328 | 17,377 | 25,070 | 70,100 | 51,615 | 18,407 | 24,980 | 62,765 | 159,875 | 157,767 | 148,825 |
Total Operating Revenues | 140,941 | 138,198 | 122,147 | 167,569 | 140,079 | 137,795 | 124,262 | 157,632 | 568,855 | 559,768 | 563,099 |
Operating expenses | 119,064 | 99,460 | 102,364 | 137,057 | 116,089 | 97,997 | 100,031 | 131,444 | 457,945 | 445,561 | 438,474 |
Operating Income (Loss) | 21,877 | 38,738 | 19,783 | 30,512 | 23,990 | 39,798 | 24,231 | 26,188 | 110,910 | 114,207 | 124,625 |
Interest and other income, net | (2,099) | (627) | (730) | (796) | (1,987) | (695) | (52) | 180 |  |  |  |
Income tax provision | (3,116) | (7,454) | (3,505) | (5,709) | (5,642) | (9,597) | (5,828) | (6,367) | (19,784) | (27,434) | (22,094) | [1]
Net Income | $ 16,662 | $ 30,657 | $ 15,548 | $ 24,007 | $ 16,361 | $ 29,506 | $ 18,351 | $ 20,001 | $ 86,874 | $ 84,219 | $ 97,606 |
Earnings per common share | $ 0.48 | $ 0.88 | $ 0.45 | $ 0.69 | $ 0.47 | $ 0.85 | $ 0.53 | $ 0.58 | $ 2.51 | $ 2.43 | $ 2.82 |
Dividends per share | $ 0.353 | $ 0.353 | $ 0.338 | $ 0.338 | $ 0.338 | $ 0.338 | $ 0.323 | $ 0.323 | $ 1.38 | $ 1.32 | $ 1.26 |
Effects Of The Tax Cuts And Jobs Act |  |  |  |  |  |  |  |  |  |  |  |
Net Deferred Income Tax Benefit Tax Cuts And Jobs Act |  |  |  |  |  |  |  |  |  |  | $ 21,700 |
[1] | In December 2017, there was a $21.7 million one-time tax impact as a result of the Tax Act.

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