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UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Current assets:    
Cash and cash equivalents $ 33,335 $ 84,344
Accounts receivable, net of allowance for doubtful accounts of $365 and $352, respectively 16,856 22,005
Income taxes receivable 30,188 30,188
Prepaid expenses and other 29,612 29,830
Current assets held for sale 19,821 0
Total current assets 129,812 166,367
Investments 12,897 13,661
Property, plant and equipment, net 609,785 554,162
Intangible assets, net and goodwill 69,612 69,853
Operating lease right-of-use assets 55,872 56,414
Deferred charges and other assets 13,439 10,298
Non-current assets held for sale 0 19,978
Total assets 891,417 890,733
Current liabilities:    
Accounts payable 30,056 28,542
Advanced billings and customer deposits 11,375 11,128
Accrued compensation 7,799 9,653
Current operating lease liabilities 3,047 3,318
Accrued liabilities and other 14,934 14,611
Current liabilities held for sale 3,843 38
Total current liabilities 71,054 67,290
Other long-term liabilities:    
Deferred income taxes 85,622 86,014
Asset retirement obligations 9,720 9,615
Benefit plan obligations 7,760 8,216
Non-current operating lease liabilities 51,835 51,692
Other liabilities 22,056 21,824
Non-current liabilities held for sale 0 3,807
Total other long-term liabilities 176,993 181,168
Commitments and contingencies
Shareholders’ equity:    
Common stock, no par value, authorized 96,000; 50,077 and 49,965 issued and outstanding at June 30, 2022 and December 31, 2021, respectively 0 0
Additional paid in capital 54,274 49,351
Retained earnings 589,096 592,924
Total shareholders’ equity 643,370 642,275
Total liabilities and shareholders’ equity $ 891,417 $ 890,733