XML 38 R28.htm IDEA: XBRL DOCUMENT
v3.23.1

Select Balance Sheet Information (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Receivables | Receivables as of March 31, 2023 and December 31, 2022 are as follows:
(in thousands) | March 31, 2023 |  | December 31, 2022
Receivables |  |  |
Trade | $ | 145,337 |  |  | $ | 112,126 |
Other | 8,918 |  |  | 9,983 |
Unbilled Receivables | 23,378 |  |  | 23,932 |
Total Receivables | 177,633 |  |  | 146,041 |
Less: Allowance for Credit Losses | 2,191 |  |  | 1,648 |
Receivables, net of allowance for credit losses | $ | 175,442 |  |  | $ | 144,393 |
Schedule of Activity in Allowance for Credit Losses | The following is a summary of activity in the allowance for credit losses for the three months ended March 31, 2023 and 2022:
(in thousands) | 2023 |  | 2022
Beginning Balance, January 1 | $ | 1,648 |  |  | $ | 1,836 |
Additions Charged to Expense | 737 |  |  | 210 |
Reductions for Amounts Written Off, Net of Recoveries | (194) |  |  | (259) |
Ending Balance, March 31 | $ | 2,191 |  |  | $ | 1,787 |
Schedule of Inventories | Inventories consist of the following as of March 31, 2023 and December 31, 2022:
(in thousands) | March 31, 2023 |  | December 31, 2022
Raw Material, Fuel and Supplies | $ | 73,860 |  |  | $ | 70,374 |
Work in Process | 30,602 |  |  | 31,766 |
Finished Goods | 40,305 |  |  | 43,812 |
Total Inventories | $ | 144,767 |  |  | $ | 145,952 |
Schedule of Investments | The following is a summary of our investments as of March 31, 2023 and December 31, 2022:
(in thousands) | March 31, 2023 |  | December 31, 2022
Corporate-Owned Life Insurance Policies | $ | 39,781 |  |  | $ | 38,991 |
Corporate and Government Debt Securities | 8,971 |  |  | 8,761 |
Money Market Funds | 2,148 |  |  | 1,560 |
Mutual Funds | 7,128 |  |  | 5,503 |
Other Investments | 30 |  |  | 30 |
Total Investments | $ | 58,058 |  |  | $ | 54,845 |
Schedule of Property, Plant and Equipment | Major classes of property, plant and equipment as of March 31, 2023 and December 31, 2022 include:
(in thousands) | March 31, 2023 |  | December 31, 2022
Electric Plant |  |  |
Electric Plant in Service | $ | 2,917,699 |  |  | $ | 2,844,379 |
Construction Work in Progress | 128,328 |  |  | 113,932 |
Total Gross Electric Plant | 3,046,027 |  |  | 2,958,311 |
Less Accumulated Depreciation and Amortization | 876,330 |  |  | 859,988 |
Net Electric Plant | 2,169,697 |  |  | 2,098,323 |
Nonelectric Property, Plant and Equipment |  |  |
Nonelectric Property, Plant and Equipment in Service | 295,548 |  |  | 293,928 |
Construction Work in Progress | 22,840 |  |  | 15,170 |
Total Gross Nonelectric Property, Plant and Equipment | 318,388 |  |  | 309,098 |
Less Accumulated Depreciation and Amortization | 198,594 |  |  | 194,704 |
Net Nonelectric Property, Plant and Equipment | 119,794 |  |  | 114,394 |
Net Property, Plant and Equipment | $ | 2,289,491 |  |  | $ | 2,212,717 |

X
- Definition Tabular disclosure of allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
Name: | us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of investment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -URI https://asc.fasb.org/topic&trid=2197064 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -URI https://asc.fasb.org/topic&trid=75115024 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI https://asc.fasb.org/topic&trid=2196928 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -URI https://asc.fasb.org/topic&trid=2196965 + Details
Name: | us-gaap_InvestmentTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of 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 and depletion 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 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
Name: | us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: 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(6)(c)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 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(6)(b)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: 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(6)(a)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 + Details
Name: | us-gaap_ScheduleOfInventoryCurrentTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration