XML 23 R12.htm IDEA: XBRL DOCUMENT v3.21.2
Select Balance Sheet Information
 6 Months Ended
Jun. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Select Balance Sheet Information Select Balance Sheet Information
Receivables and Allowance for Credit Losses
Receivables as of June 30, 2021 and December 31, 2020 are as follows:
(in thousands)June 30,
2021		December 31,
2020
Receivables
Trade$135,744 $87,048 
Other12,252 8,939 
Unbilled Receivables18,154 21,187 
Total Receivables166,150 117,174 
Less: Allowance for Credit Losses2,726 3,215 
Receivables, net of allowance for credit losses$163,424 $113,959 
The following is a summary of activity in the allowance for credit losses for the six months ended June 30, 2021 and 2020:
(in thousands)20212020
Beginning Balance, January 1$3,215 $1,339 
Additions Charged to Expense284 1,371 
Reductions for Amounts Written-Off, Net of Recoveries(773)(655)
Ending Balance, June 30$2,726 $2,055 
Inventories
Inventories consist of the following as of June 30, 2021 and December 31, 2020:
(in thousands)June 30,
2021		December 31,
2020
Finished Goods$21,272 $22,046 
Work in Process24,140 16,210 
Raw Material, Fuel and Supplies57,612 53,909 
Total Inventories$103,024 $92,165 
Investments
The following is a summary of our investments as of June 30, 2021 and December 31, 2020:
(in thousands)June 30,
2021		December 31,
2020
Corporate-Owned Life Insurance Policies$39,492 $36,825 
Debt Securities9,227 9,260 
Money Market Funds1,861 4,075 
Mutual Funds5,201 1,662 
Other Investments28 34 
Total Investments$55,809 $51,856 
The amount of unrealized gains and losses on debt securities as of June 30, 2021 and December 31, 2020 are not material and no unrealized losses were deemed to be other-than-temporary. In addition, the amount of unrealized gains and losses on marketable equity securities still held as of June 30, 2021 and December 31, 2020 are not material.
Property, Plant and Equipment
Major classes of property, plant and equipment as of June 30, 2021 and December 31, 2020 include:
(in thousands)June 30,
2021		December 31,
2020
Electric Plant in Service  
Electric Plant in Service$2,699,352 $2,531,352 
Construction Work in Progress87,676 203,078 
Total Gross Electric Plant2,787,028 2,734,430 
Less Accumulated Depreciation and Amortization811,134 778,988 
Net Electric Plant1,975,894 1,955,442 
Nonelectric Property, Plant and Equipment
Nonelectric Property, Plant and Equipment in Service261,065 258,730 
Construction Work in Progress12,936 9,290 
Total Gross Nonelectric Property, Plant and Equipment274,001 268,020 
Less Accumulated Depreciation and Amortization176,886 174,189 
Net Nonelectric Property, Plant and Equipment97,115 93,831 
Net Property, Plant and Equipment$2,073,009 $2,049,273