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v3.19.3.a.u2

Business Segment Data (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 USD ($) | Sep. 30, 2019 USD ($) | Jun. 30, 2019 USD ($) | Mar. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Sep. 30, 2018 USD ($) | Jun. 30, 2018 USD ($) | Mar. 31, 2018 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of Reportable Segments |  |  |  |  |  |  |  |  | 2 |  |
Revenues | $ 32,738 | $ 37,769 | $ 33,393 | $ 30,698 | $ 33,268 | $ 38,713 | $ 34,919 | $ 31,177 | $ 134,598 | $ 138,077 | $ 130,775
Operating Income | 7,559 | 11,983 | 8,950 | 7,028 | 7,153 | 12,918 | 10,721 | 6,350 | 35,520 | 37,142 | 37,798
Depreciation |  |  |  |  |  |  |  |  | 16,716 | 15,037 | 13,922
Other Income (Expense), Net |  |  |  |  |  |  |  |  | 2,492 | 2,992 | 1,617
Interest Expense |  |  |  |  |  |  |  |  | 7,264 | 6,758 | 5,506
Income Taxes |  |  |  |  |  |  |  |  | (3,140) | 924 | 11,100
Net Income | 8,071 | $ 11,119 | $ 8,146 | $ 6,552 | 6,993 | $ 12,290 | $ 8,675 | $ 4,494 | 33,888 | 32,452 | 22,809
Capital Expenditures |  |  |  |  |  |  |  |  | 89,125 | 72,094 | 50,301
Assets | 909,878 |  |  |  | 767,830 |  |  |  | 909,878 | 767,830 |
Inter-segment Elimination [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | (657) | (602) | (591)
Other Income (Expense), Net |  |  |  |  |  |  |  |  | (273) | (411) | (467)
Interest Expense |  |  |  |  |  |  |  |  | (273) | (411) | (467)
Assets | (9,889) |  |  |  | (5,913) |  |  |  | (9,889) | (5,913) |
Regulated [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 123,078 | 121,901 | 115,454
Operating Income |  |  |  |  |  |  |  |  | 31,805 | 34,127 | 35,130
Depreciation |  |  |  |  |  |  |  |  | 16,481 | 14,846 | 13,732
Other Income (Expense), Net |  |  |  |  |  |  |  |  | 3,018 | 3,284 | 2,020
Interest Expense |  |  |  |  |  |  |  |  | 7,456 | 7,060 | 5,855
Income Taxes |  |  |  |  |  |  |  |  | (4,317) | (54) | 9,848
Net Income |  |  |  |  |  |  |  |  | 31,602 | 30,405 | 21,447
Capital Expenditures |  |  |  |  |  |  |  |  | 88,858 | 71,493 | 50,078
Assets | 910,081 |  |  |  | 764,749 |  |  |  | 910,081 | 764,749 |
Non - Regulated [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 12,177 | 16,778 | 15,912
Operating Income |  |  |  |  |  |  |  |  | 3,715 | 3,015 | 2,668
Depreciation |  |  |  |  |  |  |  |  | 235 | 191 | 190
Other Income (Expense), Net |  |  |  |  |  |  |  |  | (253) | 119 | 64
Interest Expense |  |  |  |  |  |  |  |  | 81 | 109 | 118
Income Taxes |  |  |  |  |  |  |  |  | 1,177 | 978 | 1,252
Net Income |  |  |  |  |  |  |  |  | 2,286 | 2,047 | 1,362
Capital Expenditures |  |  |  |  |  |  |  |  | 267 | 601 | $ 223
Assets | $ 9,686 |  |  |  | $ 8,994 |  |  |  | $ 9,686 | $ 8,994 |

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