CONSOLIDATED CONDENSED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 54,660	$ 61,723
Accounts receivable, trade, less allowance of $7,496 and $9,337, respectively	384,023	444,944
Other receivables	25,199	25,479
Inventories and supplies	15,442	18,077
Prepaid taxes, licenses and permits	7,218	16,505
Other current assets	60,424	67,900
Total current assets	546,966	634,628
Property and equipment, at cost	3,022,296	2,951,654
Less – accumulated depreciation	1,001,471	978,698
Property and equipment, net	2,020,825	1,972,956
Goodwill	129,104	129,104
Intangible assets, net	78,924	86,477
Other non-current assets	345,898	334,771
Total assets	3,121,717	3,157,936
Current liabilities:
Accounts payable	164,410	135,990
Current portion of long-term debt	0	2,500
Insurance and claims accruals	81,155	81,794
Accrued payroll	54,833	50,549
Accrued expenses	22,227	30,282
Other current liabilities	35,084	29,470
Total current liabilities	357,709	330,585
Long-term debt, net of current portion	690,000	646,250
Other long-term liabilities	66,867	54,275
Insurance and claims accruals, net of current portion	228,192	239,700
Deferred income taxes	292,139	320,180
Total liabilities	1,634,907	1,590,990
Commitments and contingencies
Temporary equity - redeemable noncontrolling interest	38,253	38,607
Stockholders’ equity:
Common stock, $0.01 par value, 200,000,000 shares authorized; 80,533,536 shares issued; 61,807,803 and 63,444,681 shares outstanding, respectively	805	805
Paid-in capital	137,219	134,894
Retained earnings	1,949,543	1,953,385
Accumulated other comprehensive loss	(21,437)	(9,684)
Treasury stock, at cost; 18,725,733 and 17,088,855 shares, respectively	(617,573)	(551,061)
Total stockholders’ equity	1,448,557	1,528,339
Total liabilities, temporary equity and stockholders’ equity	$ 3,121,717	$ 3,157,936