Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Net income	$ 131,241	$ 133,137	$ 77,795
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	262,863	224,797	198,792
Accretion of asset retirement obligation	7,747	6,164	5,257
Stock-based compensation	20,197	15,478	11,646
Income attributable to sale of tax benefits, net of interest expense	(22,145)	(23,462)	(13,153)
Equity in losses (earnings) of investees, net	425	(35)	3,072
Mark-to-market of derivative instruments	856	(2,206)	1,613
Loss (gain) on disposal of property, plant and equipment	101	35	(89)
Write-off of unsuccessful exploration activities	3,930	3,733	828
Impairment of long-lived assets	1,280	0	32,648
Loss from prepayment of a long-term loan	0	0	1,102
Loss (gain) on severance pay fund asset	(413)	154	1,019
Loss (gain) on foreign currency exchange rate	3,428	0	0
Deferred income tax provision	5,300	(6,017)	(18,979)
Liability for unrecognized tax benefits	(2,401)	2,114	829
Other	0	0	575
Changes in operating assets and liabilities, net of businesses acquired:
Receivables	27,172	(97,640)	(19,929)
Costs and estimated earnings in excess of billings on uncompleted contracts	(11,614)	(1,962)	(6,713)
Long-term costs and estimated earnings in excess of billings on uncompleted contracts	(26,033)	0	0
Inventories	6,945	(22,205)	5,613
Prepaid expenses and other	(8,510)	(3,248)	4,888
Change in operating lease right of use asset	4,368	3,761	2,717
Deposits and other	(4,491)	(7,900)	2,571
Accounts payable and accrued expenses	11,426	68,590	(2,045)
Billings in excess of costs and estimated earnings on uncompleted contracts	5,330	9,884	(463)
Liabilities for severance pay	(1,356)	(989)	(2,861)
Change in operating lease liabilities	(9,472)	(3,435)	(3,581)
Other liabilities, net	4,745	10,653	(2,178)
Net cash provided by operating activities	410,919	309,401	280,974
Cash flows from investing activities:
Purchase of marketable securities	0	0	(19,192)
Maturities of marketable securities	0	0	32,645
Sale of marketable securities	0	0	29,355
Capital expenditures	(487,678)	(618,383)	(563,476)
Cash received from insurance recoveries	0	0	600
Investment in unconsolidated companies	(18,969)	(10,181)	(4,509)
Cash paid for acquisition of a business, net of cash acquired	(274,631)	0	0
Decrease (increase) in severance pay fund asset, net of payments made to retired employees	1,024	221	1,171
Net cash used in investing activities	(780,254)	(628,343)	(523,406)
Cash flows from financing activities:
Proceeds from long-term loans, net of transaction costs	514,630	149,837	135,259
Proceeds from exercise of options by employees	0	314	39
Proceeds from issuance of common stock, net of stock issuance costs	0	341,671	0
Proceeds from issuance of convertible notes, net of transaction costs	44,041	0	419,698
Purchase of capped call instruments	0	0	(24,538)
Purchase of treasury stock	0	0	(17,964)
Proceeds from the sale of limited liability company interest, net of transaction costs	0	42,329	50,330
Repayments of commercial paper and prepayments of long-term debt	0	0	(219,126)
Proceeds from issuance of commercial paper, net of transaction costs	0	99,971	0
Proceeds from revolving credit lines with banks	185,500	55,000	0
Repayment of revolving credit lines with banks	(205,500)	(35,000)	0
Cash received from noncontrolling interest	12,251	7,341	5,443
Transaction with noncontrolling interest	(9,803)	(30,000)	0
Repayments of long-term debt and financing liability	(209,280)	(207,039)	(185,163)
Cash paid to noncontrolling interest	(6,373)	(9,856)	(5,880)
Payments under finance lease obligations	(1,383)	(1,963)	(2,983)
Deferred debt issuance costs	(7,058)	(4,229)	(1,699)
Cash dividends paid	(29,109)	(28,412)	(27,143)
Net cash provided by (used in) financing activities	287,916	379,964	126,273
Effect of exchange rate changes on cash and cash equivalents and restricted cash and cash equivalents	(579)	72	(609)
Net change in cash and cash equivalents and restricted cash and cash equivalents	(81,998)	61,094	(116,768)
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	287,770	226,676	343,444
Cash and cash equivalents and restricted cash and cash equivalents at end of period	205,772	287,770	226,676
Supplemental disclosure of cash flow information:
Interest, net of interest capitalized	102,605	72,236	69,132
Income taxes, net	26,183	26,250	29,004
Supplemental non-cash investing and financing activities:
Increase (decrease) in accounts payable related to purchases of property, plant and equipment	(2,501)	(12,417)	4,764
Right of use assets obtained in exchange for new lease liabilities	13,360	6,402	8,759
Increase in asset retirement cost and asset retirement obligation	$ 740	$ 10,546	$ 7,512