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INCOME TAXES (Tables) | 12 Months Ended
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Dec. 31, 2018
INCOME TAXES [Abstract] |
Components of Income Tax Expense |
Components of Income Tax Expense |  |
In thousands | For the Year Ended December 31, |
State income taxes | 2018 |  |  | 2017 |  |  | 2016 |
Current |  | $ | 1,768 |  |  | $ | 489 |  |  | $ | 1,050 |
Deferred |  |  | 71 |  |  |  | 1,368 |  |  |  | 860 |
Total state income tax expense |  | $ | 1,839 |  |  | $ | 1,857 |  |  | $ | 1,910 |
| For the Year Ended December 31, |
Federal income taxes |  |  | 2018 |  |  |  | 2017 |  |  |  | 2016 |
Current |  | $ | 2,404 |  |  | $ | (1,418 | ) |  | $ | 1,799 |
Deferred |  |  | 748 |  |  |  | 6,856 |  |  |  | 4,622 |
Total federal income tax expense |  | $ | 3,152 |  |  | $ | 5,438 |  |  | $ | 6,421 |
Reconciliation of Effective Tax Rate |
Reconciliation of effective tax rate: |
| For the Year Ended December 31, |
In thousands | 2018 |  | 2018 |  | 2017 |  | 2017 |  | 2016 |  | 2016 |
| Amount |  | Percent |  | Amount |  | Percent |  | Amount |  | Percent |
Reconciliation of effective tax rate |  |  |  |  |  |  |  |  |  |  |  |
Income before federal and state income taxes |  | $ | 19,270 |  |  |  | 100.0 | % |  | $ | 21,278 |  |  |  | 100.0 | % |  | $ | 21,285 |  |  |  | 100.0 | %
Amount computed at statutory rate |  |  | 4,047 |  |  |  | 21.0 | % |  |  | 7,234 |  |  |  | 34.0 | % |  |  | 7,237 |  |  |  | 34.0 | %
Reconciling items |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
State income tax-net of federal tax benefit |  |  | 1,350 |  |  |  | 7.0 | % |  |  | 1,297 |  |  |  | 6.1 | % |  |  | 1,327 |  |  |  | 6.2 | %
Regulatory liability adjustment |  |  | (920 | ) |  |  | (4.8 | )% |  |  | — |  |  |  | 0.0 | % |  |  | — |  |  |  | 0.0 | %
Federal rate change and TCJA effect |  |  | 325 |  |  |  | 1.7 | % |  |  | (957 | ) |  |  | (4.5 | )% |  |  | — |  |  |  | 0.0 | %
Other |  |  | 189 |  |  |  | 1.0 | % |  |  | (279 | ) |  |  | (1.3 | )% |  |  | (233 | ) |  |  | (1.1 | )%
Total income tax expense and effective rate |  | $ | 4,991 |  |  |  | 25.9 | % |  | $ | 7,295 |  |  |  | 34.3 | % |  | $ | 8,331 |  |  |  | 39.1 | %
Deferred Income Taxes | Deferred income taxes at December 31, 2018, 2017, and 2016 were comprised of the following:
|  | For the Year Ended December 31, |
In thousands |  | 2018 |  |  | 2017 |  |  | 2016 |
Deferred tax assets related to: |  |  |  |  |  |  |  |  |
Federal alternative minimum tax credit carry-forwards |  | $ | — |  |  | $ | — |  |  | $ | 2,474 |
Federal and state operating loss carry-forwards |  |  | 1,050 |  |  |  | 1,094 |  |  |  | 752 |
Less: valuation allowance |  |  | (396 | ) |  |  | (360 | ) |  |  | (286 | )
Bad debt allowance |  |  | 65 |  |  |  | 80 |  |  |  | 104 |
Stock options |  |  | 202 |  |  |  | 207 |  |  |  | 452 |
Other |  |  | 85 |  |  |  | 161 |  |  |  | 320 |
Total deferred tax assets |  | $ | 1,006 |  |  | $ | 1,182 |  |  | $ | 3,816 |
Deferred tax liabilities related to: |  |  |  |  |  |  |  |  |  |  |  |
Property plant and equipment basis differences |  | $ | (53,296 | ) |  | $ | (52,629 | ) |  | $ | (70,711 | )
Bond retirement costs |  |  | (1,361 | ) |  |  | (1,437 | ) |  |  | — |
Uncertain tax position |  |  | (283 | ) |  |  | (145 | ) |  |  | (80 | )
Expenses of rate proceedings |  |  | (2 | ) |  |  | (8 | ) |  |  | (19 | )
Property taxes |  |  | (521 | ) |  |  | (500 | ) |  |  | (663 | )
Other |  |  | (597 | ) |  |  | (600 | ) |  |  | (796 | )
Total deferred tax liabilities |  | $ | (56,060 | ) |  | $ | (55,319 | ) |  | $ | (72,269 | )
Net deferred tax liability |  | $ | (55,054 | ) |  | $ | (54,137 | ) |  | $ | (68,453 | )
Schedule of Valuation Allowance |
Schedule of Valuation Allowance |
| Balance at Beginning of Period |  | Additions Charged to Costs and Expenses |  | Deductions |  | Balance at End of Period |
In thousands |  |  |  |  |  |  |  |
Classification |  |  |  |  |  |  |  |
For the Year Ended December 31, 2018 Valuation allowance for deferred tax assets |  | $ | 360 |  |  | $ | 36 |  |  |  | — |  |  | $ | 396 |
For the Year Ended December 31, 2017 Valuation allowance for deferred tax assets |  | $ | 286 |  |  | $ | 74 |  |  |  | — |  |  | $ | 360 |
For the Year Ended December 31, 2016 Valuation allowance for deferred tax assets |  | $ | 182 |  |  | $ | 104 |  |  |  | — |  |  | $ | 286 |
Schedule of Unrecognized Tax Benefits Roll Forward | The following table provides the changes in the Company's uncertain tax position:
|  | For the years ended December 31, |
In thousands |  | 2018 |  |  | 2017 |
Balance at beginning of year |  | $ | 145 |  |  | $ | 80 |
Additions based on tax positions related to the current year |  |  | 130 |  |  |  | 118 |
Additions based on tax positions related to prior years |  |  | 13 |  |  |  | 8 |
Reductions for tax positions of prior years |  |  | — |  |  |  | — |
Settlements |  |  | — |  |  |  | — |
Federal tax rate change |  |  | (5 | ) |  |  | (61 | )
Lapses in statutes of limitations |  |  | — |  |  |  | — |
Balance at end of year |  | $ | 283 |  |  | $ | 145 |

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