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Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2020
Significant Accounting Policies [Abstract] |
Utility Plant | The following remaining lives are used for financial reporting purposes:
|  | December 31 |  | Approximate range |
Utility Plant Asset Category |  | 2020 |  |  | 2019 |  | of remaining lives |
Mains and accessories |  | $ | 212,164 |  |  | $ | 200,954 |  | 10 – 86 years |
Services, meters and hydrants |  |  | 80,590 |  |  |  | 77,501 |  | 17 – 51 years |
Operations structures, reservoirs and water tanks |  |  | 65,617 |  |  |  | 63,530 |  | 9 – 58 years |
Pumping and treatment equipment |  |  | 34,163 |  |  |  | 33,124 |  | 6 – 30 years |
Office, transportation and operating equipment |  |  | 15,520 |  |  |  | 14,464 |  | 3 – 22 years |
Land and other non-depreciable assets |  |  | 3,478 |  |  |  | 3,393 |  | – |
Utility plant in service |  |  | 411,532 |  |  |  | 392,966 |  |
Construction work in progress |  |  | 27,138 |  |  |  | 8,417 |  | – |
Total Utility Plant |  | $ | 438,670 |  |  | $ | 401,383 |  |  |  |  |
Regulatory Assets and Liabilities | Regulatory assets and liabilities are comprised of the following:
|  | December 31 |  | Remaining Recovery |
|  | 2020 |  |  | 2019 |  | Periods |
Assets |  |  |  |  |  |  |  |
Income taxes |  | $ | 28,200 |  |  | $ | 24,405 |  | Various |
Postretirement benefits |  |  | – |  |  |  | 365 |  | - |
Unrealized swap losses |  |  | 2,700 |  |  |  | 2,227 |  | 1 – 9 years |
Utility plant retirement costs |  |  | 5,968 |  |  |  | 5,012 |  | 5 years |
Customer-owned lead service line replacements |  |  | 1,081 |  |  |  | 944 |  | Various |
Income taxes on customers’ advances for construction and contributions in aid of construction |  |  | 1,815 |  |  |  | 998 |  | Various |
Service life study expenses |  |  | 8 |  |  |  | 13 |  | 2 years |
Rate case filing expenses |  |  | 121 |  |  |  | 225 |  | 1 year |
|  | $ | 39,893 |  |  | $ | 34,189 |  |  |  |  |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |
Excess accumulated deferred income taxes on accelerated depreciation |  | $ | 13,826 |  |  | $ | 14,008 |  | Various |
Income taxes |  |  | 8,706 |  |  |  | 7,494 |  | Various |
IRS TPR catch-up deduction |  |  | 3,412 |  |  |  | 3,671 |  | 13 years |
Postretirement benefits |  |  | 25 |  |  |  | – |  | Not yet known |
Revenue reduction for tax rate change |  |  | – |  |  |  | 226 |  | - |
|  | $ | 25,969 |  |  | $ | 25,399 |  |  |  |  |

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- Definition Tabular disclosure of public utility physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, deprecation expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84167750&loc=d3e42232-110370 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The entire disclosure for detailed information about regulatory assets and liabilities, including current and noncurrent assets created when regulatory agencies permit the deferral of costs to the balance sheet that would otherwise be required to appear on the company's income statement and would be charged against current expenses or revenues, as well as current and noncurrent liabilities created when regulatory agencies permit. + References No definition available. + Details
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