XML 66 R33.htm IDEA: XBRL DOCUMENT v3.24.0.1
Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2023
Accounting Policies [Abstract]  
Schedule of Inventories
Inventories consist of the following as of December 31, 2023 and 2022:
(in thousands)20232022
Finished Goods$47,614 $43,812 
Work in Process26,354 31,766 
Raw Material, Fuel and Supplies75,733 70,374 
Total Inventories$149,701 $145,952 
Schedule of Investments
The following is a summary of our investments at December 31, 2023 and 2022:
(in thousands)20232022
Corporate-Owned Life Insurance Policies$42,287 $38,991 
Corporate and Government Debt Securities
9,303 8,761 
Mutual Funds7,771 5,503 
Money Market Funds3,125 1,560 
Other Investments30 30 
Total Investments$62,516 $54,845 
Schedule of Estimated Service Lives for Rate-Regulated and Nonelectric Assets
The estimated service lives for rate-regulated electric assets and nonelectric assets are included below:
 Service Life Range
(years)LowHigh
Electric Assets:  
Production Plant21114
Transmission Plant5175
Distribution Plant1070
General Plant556
Nonelectric Assets:
Equipment220
Buildings and Leasehold Improvements240
Schedule of Capitalized Cost and Related Accumulated Amortization Below are the amounts of capitalized cost and related accumulated amortization as of December 31, 2023 and 2022:
(in thousands)20232022
Cloud Computing Costs
$12,782 $9,024 
Accumulated Amortization
$(1,505)$(897)
Cloud Computing Costs, net
$11,277 $8,127