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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Current assets:    
Cash and cash equivalents $ 195,397 $ 101,651
Accounts receivable, net of allowance for doubtful accounts of $614 and $533, respectively 70,393 63,641
Income taxes receivable 0 10,306
Prepaid expenses and other 9,631 11,178
Current assets held for sale 1,133,294 55,077
Total current assets 1,408,715 241,853
Investments 13,769 12,388
Property, plant and equipment, net 440,427 363,087
Goodwill and Intangible assets, net 106,759 88,241
Operating lease right-of-use assets 50,387 42,568
Deferred charges and other assets 11,650 9,267
Non-current assets held for sale 0 1,141,498
Total assets 2,031,707 1,898,902
Current liabilities:    
Current maturities of long-term debt, net of unamortized loan fees 688,463 31,650
Accounts payable 19,599 40,295
Advanced billings and customer deposits 8,594 8,358
Accrued compensation 16,413 10,075
Income taxes payable 6,951 0
Current operating lease liabilities 1,970 1,731
Accrued liabilities and other 13,869 7,556
Current liabilities held for sale 452,202 53,912
Total current liabilities 1,208,061 153,577
Long-term debt, less current maturities, net of unamortized loan fees 0 688,464
Other long-term liabilities:    
Deferred income taxes 150,652 137,567
Asset retirement obligations 4,955 6,152
Benefit plan obligations 14,645 12,675
Non-current operating lease liabilities 46,095 42,625
Other liabilities 24,905 16,991
Total other long-term liabilities 241,252 584,433
Commitments and contingencies
Shareholders’ equity:    
Common stock, no par value, authorized 96,000; 49,868 and 49,671 issued and outstanding at December 31, 2020 and 2019, respectively 0 0
Additional paid in capital 47,317 42,110
Retained earnings 539,783 430,010
Accumulated other comprehensive (loss) income, net of taxes (4,706) 308
Total shareholders’ equity 582,394 472,428
Total liabilities and shareholders’ equity 2,031,707 1,898,902
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent $ 0 $ 368,423