UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 33,033	$ 84,344
Accounts receivable, net of allowance for doubtful accounts of $371 and $352, respectively	23,592	22,005
Income taxes receivable	29,457	30,188
Prepaid expenses and other	11,915	29,830
Current assets held for sale	19,742	0
Total current assets	117,739	166,367
Investments	12,784	13,661
Property, plant and equipment, net	641,407	554,162
Intangible assets, net and goodwill	81,612	69,853
Operating lease right-of-use assets	55,749	56,414
Deferred charges and other assets	13,167	10,298
Non-current assets held for sale	0	19,978
Total assets	922,458	890,733
Current liabilities:
Current maturities of long-term debt, net of unamortized loan fees	105	0
Accounts payable	35,836	28,542
Advanced billings and customer deposits	11,443	11,128
Accrued compensation	10,721	9,653
Current operating lease liabilities	2,962	3,318
Accrued liabilities and other	14,040	14,611
Current liabilities held for sale	3,834	38
Total current liabilities	78,941	67,290
Long-term debt, less current maturities, net of unamortized loan fees	24,869	0
Other long-term liabilities:
Deferred income taxes	84,639	86,014
Asset retirement obligations	9,727	9,615
Benefit plan obligations	7,711	8,216
Non-current operating lease liabilities	52,001	51,692
Other liabilities	22,059	21,824
Non-current liabilities held for sale	0	3,807
Total other long-term liabilities	176,137	181,168
Commitments and contingencies
Shareholders’ equity:
Common stock, no par value, authorized 96,000; 50,098 and 49,965 issued and outstanding at September 30, 2022 and December 31, 2021, respectively	0	0
Additional paid in capital	56,143	49,351
Retained earnings	586,368	592,924
Total shareholders’ equity	642,511	642,275
Total liabilities and shareholders’ equity	$ 922,458	$ 890,733