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Consolidated Balance Sheets (Current Period Unaudited) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Current Assets    
Cash and Cash Equivalents $ 39,512 $ 21,199
Accounts Receivable:    
Trade—Net 84,197 77,947
Other 6,452 8,773
Inventories 89,754 97,851
Unbilled Receivables 19,019 20,911
Income Taxes Receivable 0 1,487
Regulatory Assets 19,958 21,650
Other 8,031 5,042
Total Current Assets 266,923 254,860
Investments 10,581 9,894
Other Assets 40,138 40,196
Goodwill 37,572 37,572
Other Intangibles—Net 10,703 11,290
Regulatory Assets 141,063 144,138
Right of Use Assets - Operating Leases 20,571 21,851
Plant    
Electric Plant in Service 2,211,082 2,212,884
Nonelectric Operations 252,933 247,356
Construction Work in Progress 321,621 185,238
Total Gross Plant 2,785,636 2,645,478
Less Accumulated Depreciation and Amortization 923,948 891,684
Net Plant 1,861,688 1,753,794
Total Assets 2,389,239 2,273,595
Current Liabilities    
Short-Term Debt 41,239 6,000
Current Maturities of Long-Term Debt 261 183
Accounts Payable 133,967 120,775
Accrued Salaries and Wages 16,891 22,730
Accrued Taxes 12,193 17,525
Regulatory Liabilities 13,023 7,480
Current Operating Lease Liabilities 4,543 4,136
Other Accrued Liabilities 10,806 10,912
Total Current Liabilities 232,923 189,741
Pensions Benefit Liability 86,657 98,970
Other Postretirement Benefits Liability 71,845 71,437
Long-Term Operating Lease Liabilities 16,584 18,193
Other Noncurrent Liabilities 34,647 30,833
Commitments and Contingencies (note 9)
Deferred Credits    
Deferred Income Taxes 141,538 131,941
Deferred Tax Credits 17,969 18,626
Regulatory Liabilities 238,160 239,906
Other 2,472 2,885
Total Deferred Credits 400,139 393,358
Capitalization    
Long-Term Debt—Net 724,389 689,581
Common Shares, Par Value $5 Per Share—Authorized, 50,000,000 Shares; Outstanding, 2020—40,848,828 Shares; 2019—40,157,591 Shares 204,244 200,788
Premium on Common Shares 390,141 364,790
Retained Earnings 233,705 222,341
Accumulated Other Comprehensive Loss (6,035) (6,437)
Total Common Equity 822,055 781,482
Total Capitalization 1,546,444 1,471,063
Total Liabilities and Equity 2,389,239 2,273,595
Cumulative Preferred Shares [Member]    
Capitalization    
Cumulative Shares 0 0
Cumulative Preference Shares [Member]    
Capitalization    
Cumulative Shares $ 0 $ 0