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UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Current assets: |  |
Cash and cash equivalents | $ 69,859 | $ 85,086
Accounts receivable, net of allowance for doubtful accounts of $464 and $534, respectively | 58,153 | 54,407
Income taxes receivable | 0 | 5,282
Inventory, net of allowances of $81 and $113, respectively | 7,240 | 5,265
Prepaid expenses and other | 52,533 | 60,162
Total current assets | 187,785 | 210,202
Investments | 11,274 | 10,788
Property, plant and equipment, net | 701,980 | 701,359
Intangible assets, net | 339,714 | 366,029
Goodwill | 149,070 | 146,497
Operating lease right-of-use assets | 361,564 | 0
Deferred charges and other assets | 48,325 | 49,891
Total assets | 1,799,712 | 1,484,766
Current Liabilities |  |
Current maturities of long-term debt, net of unamortized loan fees | 24,293 | 20,618
Accounts payable | 25,410 | 35,987
Advanced billings and customer deposits | 8,095 | 7,919
Accrued compensation | 4,488 | 9,452
Income taxes payable | 2,306 | 0
Current operating lease liabilities | 39,400 | 0
Accrued liabilities and other | 15,129 | 14,563
Total current liabilities | 119,121 | 88,539
Long-term debt, less current maturities, net of unamortized loan fees | 726,970 | 749,624
Other Long-Term Liabilities |  |
Deferred income taxes | 123,169 | 127,453
Deferred lease |  | 22,436
Asset retirement obligations | 29,846 | 28,584
Retirement plan obligations | 10,323 | 11,519
Noncurrent operating lease liabilities | 322,635 | 0
Other liabilities | 15,034 | 14,364
Total other long-term liabilities | 501,007 | 204,356
Shareholders’ Equity |  |
Common stock, no par value, authorized 96,000; 49,844 and 49,630 issued and outstanding at March 31, 2019 and December 31, 2018, respectively | 0 | 0
Additional paid in capital | 46,641 | 47,456
Retained earnings | 400,421 | 386,511
Accumulated other comprehensive income (loss), net of taxes | 5,552 | 8,280
Total shareholders’ equity | 452,614 | 442,247
Total liabilities and shareholders’ equity | $ 1,799,712 | $ 1,484,766

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