Condensed Consolidated Statements of Operations and Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenues:
Total revenues	$ 211,784	$ 208,056	$ 648,913	$ 588,084
Cost of revenues:
Total cost of revenues	152,922	148,053	449,855	402,522
Gross profit	58,862	60,003	199,058	185,562
Operating expenses:
Research and development expenses	1,816	1,392	5,110	4,763
Selling and marketing expenses	4,248	4,682	13,541	13,999
General and administrative expenses	22,973	14,044	60,536	49,525
Other operating income	(6,250)	0	(6,250)	0
Write-off of long-lived assets	323	0	1,280	0
Write-off of unsuccessful exploration activities	77	2,318	1,456	2,318
Operating income	35,675	37,567	123,385	114,957
Other income (expense):
Interest income	2,051	2,827	6,494	9,620
Interest expense, net	(34,822)	(25,054)	(99,506)	(73,078)
Derivatives and foreign currency transaction gains (losses)	2,046	(781)	132	(3,990)
Income attributable to sale of tax benefits	19,760	14,936	53,034	42,481
Other non-operating income, net	22	108	122	247
Income from operations before income tax and equity in earnings of investees	24,732	29,603	83,661	90,237
Income tax (provision) benefit	1,193	7,134	4,518	2,205
Equity in earnings (losses) of investees	(1,624)	(405)	437	1,862
Net income	24,301	36,332	88,616	94,304
Net income attributable to noncontrolling interest	(2,219)	(879)	(5,704)	(5,631)
Net income attributable to the Company's stockholders	22,082	35,453	82,912	88,673
Comprehensive income:
Net income	24,301	36,332	88,616	94,304
Other comprehensive income (loss), net of related taxes:
Change in foreign currency translation adjustments	4,914	(1,220)	2,485	(1,523)
Change in unrealized gains or losses in respect of the Company's share in derivatives instruments of an unconsolidated investment that qualifies as a cash flow hedge	(1,863)	673	(924)	1,063
Change in unrealized gains or losses in respect of a cross currency swap derivative instrument that qualifies as a cash flow hedge		(4,749)
Other changes in comprehensive income	11	12	36	40
Total other comprehensive income (loss), net of related taxes:	(1,988)	(5,284)	(2,974)	(8,095)
Comprehensive income	22,313	31,048	85,642	86,209
Comprehensive income attributable to noncontrolling interest	(3,071)	(655)	(5,992)	(5,266)
Comprehensive income attributable to the Company's stockholders	$ 19,242	$ 30,393	$ 79,650	$ 80,943
Earnings per share attributable to the Company's stockholders:
Earnings per share, basic (US Dollar per share)	$ 0.37	$ 0.59	$ 1.37	$ 1.50
Earnings per share, diluted (US Dollar per share)	$ 0.36	$ 0.59	$ 1.37	$ 1.49
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 basic earnings per share	60,480,000	60,299,000	60,439,000	59,105,000
Weighted average number of shares used in computation of diluted earnings per share	60,770,000	60,570,000	60,726,000	59,494,000
Cross Currency Swap
Other comprehensive income (loss), net of related taxes:
Change in unrealized gains or losses in respect of a cross currency swap derivative instrument that qualifies as a cash flow hedge	$ (2,649)	$ (4,749)	$ (3,277)	$ (7,675)
Interest rate swap
Other comprehensive income (loss), net of related taxes:
Change in unrealized gains or losses in respect of a cross currency swap derivative instrument that qualifies as a cash flow hedge	(2,401)	0	(1,294)	0
Electricity
Revenues:
Total revenues	164,638	157,212	522,117	482,846
Cost of revenues:
Total cost of revenues	114,941	107,166	342,186	311,348
Product
Revenues:
Total revenues	37,357	39,831	100,018	83,331
Cost of revenues:
Total cost of revenues	30,166	32,393	83,982	71,729
Energy Storage and Management Services
Revenues:
Total revenues	9,789	11,013	26,778	21,907
Cost of revenues:
Total cost of revenues	$ 7,815	$ 8,494	$ 23,687	$ 19,445