Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating Activities:
Net income	$ 193,214	$ 167,416
Noncash items included in net income:
Depreciation and amortization	101,385	87,538
Deferred income taxes	4,084	12,772
Other, net	10,669	7,894
Changes in operating assets and liabilities:
Accounts receivable	(66,063)	(10,771)
Accounts payable	11,438	10,893
Change in other assets and liabilities, net	(17,485)	15,663
Net cash provided by operating activities	237,242	291,405
Investing Activities:
Acquisition of property and equipment	(681,919)	(227,022)
Proceeds from disposal of property and equipment	643	529
Other	4,999	0
Net cash used in investing activities	(676,277)	(226,493)
Financing Activities:
Repayments of revolving credit facility	(489,100)	0
Borrowings of revolving credit facility	556,100	0
Borrowings on private shelf agreement	100,000	0
Proceeds from stock option exercises	1,993	2,250
Shares withheld for taxes	(7,968)	(8,928)
Repayment of finance leases	(6,813)	(9,650)
Other financing activity	(223)	(977)
Net cash provided by (used in) financing activities	153,989	(17,305)
Net (Decrease) Increase in Cash and Cash Equivalents	(285,046)	47,607
Cash and Cash Equivalents, beginning of period	296,215	187,390
Cash and Cash Equivalents, end of period	$ 11,169	$ 234,997