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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Current assets:    
Cash and cash equivalents $ 44,061 $ 84,344
Accounts receivable, net of allowance for doubtful accounts of $776 and $352, respectively 20,615 22,005
Income taxes receivable 29,755 30,188
Prepaid expenses and other 11,509 29,830
Current assets held for sale 22,622 0
Total current assets 128,562 166,367
Investments 12,971 13,661
Property, plant and equipment, net 687,553 554,162
Goodwill and intangible assets, net 81,515 89,831
Operating lease right-of-use assets 53,859 56,414
Deferred charges and other assets 13,259 10,298
Total assets 977,719 890,733
Current liabilities:    
Current maturities of long-term debt, net of unamortized loan fees 648 0
Accounts payable 49,173 28,542
Advanced billings and customer deposits 12,425 11,128
Accrued compensation 9,616 9,653
Current operating lease liabilities 2,829 3,318
Accrued liabilities and other 17,906 14,649
Current liabilities held for sale 3,824 0
Total current liabilities 96,421 67,290
Long-term debt, less current maturities, net of unamortized loan fees 74,306 0
Other long-term liabilities:    
Deferred income taxes 84,600 86,014
Asset retirement obligations 9,932 9,615
Benefit plan obligations 3,758 8,216
Non-current operating lease liabilities 50,477 51,692
Other liabilities 20,218 25,631
Total other long-term liabilities 168,985 181,168
Commitments and contingencies
Shareholders’ equity:    
Common stock, no par value, authorized 96,000; 50,110 and 49,965 issued and outstanding at December 31, 2022 and 2021, respectively 0 0
Additional paid in capital 57,453 49,351
Retained earnings 580,554 592,924
Total shareholders’ equity 638,007 642,275
Total liabilities and shareholders’ equity $ 977,719 $ 890,733