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Consolidated Balance Sheets (Current Period Unaudited) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Current Assets    
Cash and Cash Equivalents $ 44,904 $ 21,199
Accounts Receivable:    
Trade—Net 100,423 77,947
Other 6,322 8,773
Inventories 81,871 97,851
Unbilled Receivables 16,409 20,911
Income Taxes Receivable 0 1,487
Regulatory Assets 17,435 21,650
Other 7,552 5,042
Total Current Assets 274,916 254,860
Investments 10,791 9,894
Other Assets 42,316 40,196
Goodwill 37,572 37,572
Other Intangibles—Net 10,419 11,290
Regulatory Assets 145,977 144,138
Right of Use Assets - Operating Leases 19,713 21,851
Plant    
Electric Plant in Service 2,221,785 2,212,884
Nonelectric Operations 256,480 247,356
Construction Work in Progress 454,128 185,238
Total Gross Plant 2,932,393 2,645,478
Less Accumulated Depreciation and Amortization 939,590 891,684
Net Plant 1,992,803 1,753,794
Total Assets 2,534,507 2,273,595
Current Liabilities    
Short-Term Debt 48,600 6,000
Current Maturities of Long-Term Debt 215 183
Accounts Payable 189,327 120,775
Accrued Salaries and Wages 20,933 22,730
Accrued Taxes 14,283 17,525
Regulatory Liabilities 12,870 7,480
Current Operating Lease Liabilities 4,581 4,136
Other Accrued Liabilities 8,927 10,912
Total Current Liabilities 299,736 189,741
Pensions Benefit Liability 86,101 98,970
Other Postretirement Benefits Liability 72,508 71,437
Long-Term Operating Lease Liabilities 15,778 18,193
Other Noncurrent Liabilities 35,146 30,833
Commitments and Contingencies (note 9)
Deferred Credits    
Deferred Income Taxes 152,448 131,941
Deferred Tax Credits 17,640 18,626
Regulatory Liabilities 236,892 239,906
Other 1,914 2,885
Total Deferred Credits 408,894 393,358
Capitalization    
Long-Term Debt—Net 764,274 689,581
Common Shares, Par Value $5 Per Share—Authorized, 50,000,000 Shares; Outstanding, 2020—41,052,165 Shares; 2019—40,157,591 Shares 205,261 200,788
Premium on Common Shares 398,301 364,790
Retained Earnings 254,468 222,341
Accumulated Other Comprehensive Loss (5,960) (6,437)
Total Common Equity 852,070 781,482
Total Capitalization 1,616,344 1,471,063
Total Liabilities and Equity 2,534,507 2,273,595
Cumulative Preferred Shares [Member]    
Capitalization    
Cumulative Shares 0 0
Cumulative Preference Shares [Member]    
Capitalization    
Cumulative Shares $ 0 $ 0