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UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Current assets:    
Cash and cash equivalents $ 35,966 $ 44,061
Accounts receivable, net of allowance for doubtful accounts of $767 and $776, respectively 18,851 20,615
Income taxes receivable 4,647 29,755
Prepaid expenses and other 14,394 11,509
Current assets held for sale 596 22,622
Total current assets 74,454 128,562
Investments 12,918 12,971
Property, plant and equipment, net 822,494 687,553
Goodwill and intangible assets, net 81,187 81,515
Operating lease right-of-use assets 51,832 53,859
Deferred charges and other assets 15,825 13,259
Total assets 1,058,710 977,719
Current liabilities:    
Current maturities of long-term debt, net of unamortized loan fees 2,412 648
Accounts payable 43,360 49,173
Advanced billings and customer deposits 13,120 12,425
Accrued compensation 10,640 9,616
Current operating lease liabilities 3,126 2,829
Accrued liabilities and other 11,763 17,906
Current liabilities held for sale 0 3,824
Total current liabilities 84,421 96,421
Long-term debt, less current maturities, net of unamortized loan fees 147,494 74,306
Other long-term liabilities:    
Deferred income taxes 88,938 84,600
Asset retirement obligations 9,942 9,932
Benefit plan obligations 3,972 3,758
Non-current operating lease liabilities 49,502 50,477
Other liabilities 20,078 20,218
Total other long-term liabilities 172,432 168,985
Commitments and contingencies (Note 13)
Shareholders’ equity:    
Common stock, no par value, authorized 96,000; 50,264 and 50,110 issued and outstanding at September 30, 2023 and December 31, 2022, respectively 0 0
Additional paid in capital 65,118 57,453
Retained earnings 586,003 580,554
Accumulated other comprehensive income, net of taxes 3,242 0
Total shareholders’ equity 654,363 638,007
Total liabilities and shareholders’ equity $ 1,058,710 $ 977,719