UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 120,232	$ 101,651
Accounts receivable, net of allowance for doubtful accounts of $410 and $533, respectively	61,526	63,541
Income taxes receivable	8,157	10,306
Inventory, net of allowances of $71 and $66, respectively	7,071	5,728
Prepaid expenses and other	60,923	60,527
Total current assets	257,909	241,753
Investments	12,011	12,388
Property, plant and equipment, net	695,920	701,514
Intangible assets, net	299,458	314,147
Goodwill	149,070	149,070
Operating lease right-of-use assets	382,973	392,589
Deferred charges and other assets	53,436	53,352
Total assets	1,850,777	1,864,813
Current liabilities:
Current maturities of long-term debt, net of unamortized loan fees	31,672	31,650
Accounts payable	30,384	40,295
Advanced billings and customer deposits	8,414	8,358
Accrued compensation	5,787	10,075
Current operating lease liabilities	44,204	42,567
Accrued liabilities and other	19,183	14,391
Total current liabilities	139,644	147,336
Long-term debt, less current maturities, net of unamortized loan fees	680,531	688,464
Other long-term liabilities:
Deferred income taxes	137,674	137,567
Asset retirement obligations	37,422	36,914
Benefit plan obligations	11,980	12,675
Noncurrent operating lease liabilities	343,723	352,439
Other liabilities	19,153	16,990
Total other long-term liabilities	549,952	556,585
Shareholders’ equity:
Common stock, no par value, authorized 96,000; 49,842 and 49,671 issued and outstanding at March 31, 2020 and December 31, 2019, respectively	0	0
Additional paid in capital	43,158	42,110
Retained earnings	443,290	430,010
Accumulated other comprehensive (loss) income, net of taxes	(5,798)	308
Total shareholders’ equity	480,650	472,428
Total liabilities and shareholders’ equity	$ 1,850,777	$ 1,864,813