CONSOLIDATED CONDENSED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 61,544	$ 59,922
Accounts receivable, trade, less allowance of $8,370 and $7,646, respectively	485,479	394,933
Other receivables	15,434	20,398
Inventories and supplies	14,404	12,104
Prepaid expenses	57,213	57,184
Assets held for sale	23,226	32,643
Other current assets	45,616	35,665
Total current assets	702,916	612,849
Property and equipment, at cost	3,040,309	2,901,984
Less – accumulated depreciation	1,140,064	1,111,480
Property and equipment, net	1,900,245	1,790,504
Finance lease right-of-use assets, net	53,913	0
Goodwill	138,576	129,104
Intangible assets, net	65,168	44,603
Operating lease right-of-use assets, net	108,212	39,703
Other non-current assets	287,166	271,911
Total assets	3,256,196	2,888,674
Current liabilities:
Accounts payable	137,517	95,084
Current portion of long-term debt	8,600	0
Insurance and claims accruals	114,769	99,827
Accrued payroll	63,709	51,442
Accrued expenses	18,156	16,199
Current maturities of finance lease liabilities	26,706	0
Current maturities of operating lease liabilities	48,832	15,451
Other current liabilities	63,653	36,781
Total current liabilities	481,942	314,784
Long-term debt, net of current portion	869,600	752,000
Finance lease liabilities, less current maturities	26,878	0
Operating lease liabilities, less current maturities	60,704	26,470
Other long-term liabilities	23,839	26,080
Insurance and claims accruals, net of current portion	136,816	112,126
Deferred income taxes	275,802	266,209
Total liabilities	1,875,581	1,497,669
Commitments and contingencies
Temporary equity - redeemable noncontrolling interest	27,914	28,113
Stockholders’ equity:
Common stock, $0.01 par value, 200,000,000 shares authorized; 80,533,536 shares issued; 59,950,115 and 59,869,405 shares outstanding, respectively	805	805
Paid-in capital	144,753	144,641
Retained earnings	1,891,918	1,904,572
Accumulated other comprehensive loss	(14,343)	(16,075)
Treasury stock, at cost; 20,583,421 and 20,664,131 shares, respectively	(670,432)	(671,051)
Total stockholders’ equity	1,352,701	1,362,892
Total liabilities, temporary equity and stockholders’ equity	$ 3,256,196	$ 2,888,674