Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenues:
Revenues	$ 879,654	$ 829,424	$ 734,159
Cost of revenues:
Total cost of revenues	607,035	565,406	465,335
Gross profit	272,619	264,018	268,824
Operating expenses:
Research and development expenses	6,501	7,215	5,078
Selling and marketing expenses	17,694	18,306	16,193
General and administrative expenses	80,119	68,179	61,274
Other operating income	(9,375)	0	0
Impairment of long-lived assets	1,280	0	32,648
Write-off of unsuccessful exploration activities	3,930	3,733	828
Operating income	172,470	166,585	152,803
Other income (expense):
Interest income	7,883	11,983	3,417
Interest expense, net	(134,031)	(98,881)	(87,743)
Derivatives and foreign currency transaction gains (losses)	(4,187)	(3,278)	(6,044)
Income attributable to sale of tax benefits	73,054	61,157	33,885
Other non-operating income (expense), net	188	1,519	(709)
Income from operations before income tax and equity in earnings (losses) of investees	115,377	139,085	95,609
Income tax (provision) benefit	16,289	(5,983)	(14,742)
Equity in earnings (losses) of investees	(425)	35	(3,072)
Net income	131,241	133,137	77,795
Net income attributable to noncontrolling interest	(7,508)	(8,738)	(11,954)
Net income attributable to the Company's stockholders	123,733	124,399	65,841
Comprehensive income:
Net income	131,241	133,137	77,795
Other comprehensive income (loss), net of related taxes:
Change in foreign currency translation adjustments	(8,232)	1,257	(2,486)
Change in unrealized gains or losses in respect of the Company's share in derivatives instruments of unconsolidated investment that qualifies as a cash flow hedge	602	(470)	8,370
Change in unrealized gains or losses in respect of a cross-currency swap derivative or interest rate swap derivative instruments that qualifies as a cash flow hedge (net of related tax)		(4,237)	(1,825)
Change in unrealized gains or losses on marketable securities available-for-sale (net of related tax of $0)	0	0	40
Other changes in comprehensive income	50	53	59
Comprehensive income	124,662	129,740	81,953
Comprehensive income attributable to noncontrolling interest	(6,328)	(9,173)	(11,421)
Comprehensive income attributable to the Company's stockholders	$ 118,334	$ 120,567	$ 70,532
Earnings per share attributable to the Company's stockholders:
Basic (in dollars per share)	$ 2.05	$ 2.09	$ 1.17
Diluted (in dollars per share)	$ 2.04	$ 2.08	$ 1.17
Weighted average number of shares used in computation of earnings per share attributable to the Company's stockholders:
Weighted average number of shares used in computation of earnings per share, basic (in shares)	60,455	59,424	56,063
Weighted average number of shares used in computation of earnings per share, diluted (in shares)	60,790	59,762	56,503
Cross currency swap derivative
Other comprehensive income (loss), net of related taxes:
Change in unrealized gains or losses in respect of a cross-currency swap derivative or interest rate swap derivative instruments that qualifies as a cash flow hedge (net of related tax)	$ 988	$ (4,237)	$ (1,825)
Interest rate swap derivative
Other comprehensive income (loss), net of related taxes:
Change in unrealized gains or losses in respect of a cross-currency swap derivative or interest rate swap derivative instruments that qualifies as a cash flow hedge (net of related tax)	13	0	0
Electricity
Revenues:
Revenues	702,264	666,767	631,727
Cost of revenues:
Total cost of revenues	459,526	422,549	380,361
Product
Revenues:
Revenues	139,661	133,763	71,414
Cost of revenues:
Total cost of revenues	113,911	115,802	60,479
Energy storage
Revenues:
Revenues	37,729	28,894	31,018
Cost of revenues:
Total cost of revenues	$ 33,598	$ 27,055	$ 24,495