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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 84,344 $ 195,397
Accounts receivable, net of allowance for doubtful accounts of $352 and $614, respectively 22,005 70,393
Income taxes receivable 30,188 0
Prepaid expenses and other 29,830 7,522
Current assets held for sale 0 1,133,294
Total current assets 166,367 1,406,606
Investments 13,661 13,769
Property, plant and equipment, net 554,162 440,427
Goodwill and Intangible assets, net 89,831 106,759
Operating lease right-of-use assets 56,414 50,387
Deferred charges and other assets 10,298 6,448
Total assets 890,733 2,024,396
Current liabilities:    
Current maturities of long-term debt, net of unamortized loan fees 0 688,463
Accounts payable 28,542 19,599
Advanced billings and customer deposits 11,128 8,594
Accrued compensation 9,653 16,413
Income taxes payable 0 6,951
Current operating lease liabilities 3,318 1,970
Accrued liabilities and other 14,649 13,869
Current liabilities held for sale 0 452,202
Total current liabilities 67,290 1,208,061
Other long-term liabilities:    
Deferred income taxes 86,014 148,684
Asset retirement obligations 9,615 4,955
Benefit plan obligations 8,216 14,645
Non-current operating lease liabilities 51,692 46,095
Other liabilities 25,631 24,905
Total other long-term liabilities 181,168 239,284
Commitments and contingencies
Shareholders’ equity:    
Common stock, no par value, authorized 96,000; 49,965 and 49,868 issued and outstanding at December 31, 2021 and 2020, respectively 0 0
Additional paid in capital 49,351 47,317
Retained earnings 592,924 534,440
Accumulated other comprehensive loss, net of taxes 0 (4,706)
Total shareholders’ equity 642,275 577,051
Total liabilities and shareholders’ equity $ 890,733 $ 2,024,396