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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

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