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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Utility plant:    
Utility plant $ 4,124,024 $ 3,890,423
Less accumulated depreciation and amortization (1,327,655) (1,239,865)
Net utility plant 2,796,369 2,650,558
Current assets:    
Cash and cash equivalents 140,368 44,555
Receivables:    
Customers, net 67,807 44,025
Regulatory balancing accounts 85,027 96,241
Other, net 20,448 20,331
Unbilled revenue, net 54,129 34,069
Materials and supplies at weighted average cost 9,383 8,831
Taxes, prepaid expenses, and other assets 16,246 17,964
Total current assets 393,408 266,016
Other assets:    
Regulatory assets 328,505 325,376
Goodwill 36,815 31,842
Other assets 124,592 120,456
Total other assets 489,912 477,674
TOTAL ASSETS 3,679,689 3,394,248
Capitalization:    
Common stock, $0.01 par value; 68,000 shares authorized, 52,608 and 50,334 outstanding in 2021 and 2020, respectively 526 503
Additional paid-in capital 580,760 448,632
Retained earnings 534,685 472,209
Noncontrolling interests 4,689 0
Total equity 1,120,660 921,344
Long-term debt, net 1,059,724 781,100
Total capitalization 2,180,384 1,702,444
Current liabilities:    
Current maturities of long-term debt, net 5,180 5,127
Short-term borrowings 120,000 370,000
Accounts payable 148,415 131,725
Regulatory balancing accounts 19,273 34,636
Accrued interest 17,170 6,178
Accrued expenses and other liabilities 50,900 41,040
Total current liabilities 360,938 588,706
Deferred income taxes 284,193 276,032
Pension and postretirement benefits other than pensions 114,192 115,581
Regulatory liabilities and other 257,108 247,810
Advances for construction 198,344 195,625
Contributions in aid of construction 284,530 268,050
Commitments and contingencies (Note 10)
TOTAL CAPITALIZATION AND LIABILITIES $ 3,679,689 $ 3,394,248