Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating Activities:
Net income	$ 90,695	$ 76,097
Noncash items included in net income:
Depreciation and amortization	48,849	42,880
Deferred income taxes	1,785	5,738
Other, net	3,624	2,968
Changes in operating assets and liabilities:
Accounts receivable	(34,371)	(5,276)
Accounts payable	3,457	7,008
Change in other assets and liabilities, net	(7,571)	(10,145)
Net cash provided by operating activities	106,468	119,270
Investing Activities:
Acquisition of property and equipment	(457,164)	(128,415)
Proceeds from disposal of property and equipment	343	360
Other	4,999	0
Net cash used in investing activities	(451,822)	(128,055)
Financing Activities:
Repayments of revolving credit facility	(48,100)	0
Borrowings of revolving credit facility	120,100	0
Proceeds from stock option exercises	1,993	2,204
Shares withheld for taxes	(7,968)	(8,927)
Repayment of finance leases	(4,437)	(4,504)
Other financing activity	(141)	(953)
Net cash provided by (used in) financing activities	61,447	(12,180)
Net Decrease in Cash and Cash Equivalents	(283,907)	(20,965)
Cash and Cash Equivalents, beginning of period	296,215	187,390
Cash and Cash Equivalents, end of period	$ 12,308	$ 166,425