XML 39 R27.htm IDEA: XBRL DOCUMENT
v3.22.4

Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Significant Accounting Policies [Abstract] |
Utility Plant | The following remaining lives are used for financial reporting purposes:
|  | December 31 |  |  | Approximate range |
Utility Plant Asset Category |  | 2022 |  |  | 2021 |  |  | of remaining lives |
Mains and accessories |  | $ | 265,033 |  |  | $ | 242,160 |  |  | 12 – 86 years |
Services, meters, and hydrants |  |  | 92,818 |  |  |  | 87,164 |  |  | 14 – 47 years |
Operations structures, reservoirs, and water tanks |  |  | 87,218 |  |  |  | 73,462 |  |  | 10 – 56 years |
Pumping and treatment equipment |  |  | 40,038 |  |  |  | 37,209 |  |  | 5 – 34 years |
Office, transportation, and operating equipment |  |  | 18,128 |  |  |  | 16,856 |  |  | 2 – 21 years |
Land and other non-depreciable assets |  |  | 3,938 |  |  |  | 3,714 |  |  |  | – |
Utility plant in service |  |  | 507,173 |  |  |  | 460,565 |  |  |  |  |
Construction work in progress |  |  | 41,968 |  |  |  | 25,185 |  |  |  | – |
Total Utility Plant |  | $ | 549,141 |  |  | $ | 485,750 |  |  |  |  |
Regulatory Assets and Liabilities | Regulatory assets and liabilities are comprised of the following:
|  | December 31 |  |  | Remaining Recovery |
|  | 2022 |  |  | 2021 |  |  | Periods |
Assets |  |  |  |  |  |  |  |  |
Income taxes |  | $ | 29,779 |  |  | $ | 33,255 |  |  | Various |
Unrealized swap losses |  |  | 674 |  |  |  | 2,054 |  |  | 1 – 7 years |
Utility plant retirement costs |  |  | 9,060 |  |  |  | 7,245 |  |  | 5 years |
Customer-owned lead service line replacements |  |  | 1,260 |  |  |  | 1,161 |  |  | Various |
Income taxes on customers’ advances for construction and contributions in aid of construction |  |  | 1,353 |  |  |  | 1,545 |  |  | Various |
Service life study expenses |  |  | 24 |  |  |  | 3 |  |  | 5 years |
Rate case filing expenses |  |  | 395 |  |  |  | 17 |  |  | 4 years |
|  | $ | 42,545 |  |  | $ | 45,280 |  |  |  |  |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |
Excess accumulated deferred income taxes on accelerated depreciation |  | $ | 13,483 |  |  | $ | 13,644 |  |  | Various |
Postretirement benefits |  |  | 14,906 |  |  |  | 11,870 |  |  | Not yet known |
Income taxes |  |  | 6,758 |  |  |  | 8,314 |  |  | Various |
IRS TPR catch-up deduction |  |  | 2,894 |  |  |  | 3,153 |  |  | 11 years |
|  | $ | 38,041 |  |  | $ | 36,981 |  |  |  |  |

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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, depreciation expense and method used, including composite depreciation, and accumulated depreciation. + 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 https://asc.fasb.org/extlink&oid=84167750&loc=d3e42232-110370 + Details
Name: | us-gaap_ScheduleOfPublicUtilityPropertyPlantAndEquipmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration