Condensed Consolidated Statements of Operations and Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenues:
Total revenues	$ 212,963	$ 194,796	$ 437,129	$ 380,028
Cost of revenues:
Total cost of revenues	151,577	145,306	296,933	254,469
Gross profit	61,386	49,490	140,196	125,559
Operating expenses:
Research and development expenses	1,730	2,083	3,294	3,371
Selling and marketing expenses	4,167	5,369	9,293	9,317
General and administrative expenses	18,026	17,814	37,563	35,481
Write-off of long-lived assets	957	0	957	0
Write-off of unsuccessful exploration activities	1,379	0	1,379	0
Operating income	35,127	24,224	87,710	77,390
Other income (expense):
Interest income	2,604	4,942	4,443	6,793
Interest expense, net	(33,716)	(24,393)	(64,684)	(48,024)
Derivatives and foreign currency transaction gains (losses)	(332)	(1,272)	(1,914)	(3,209)
Income attributable to sale of tax benefits	15,798	14,979	33,274	27,545
Other non-operating income, net	74	79	100	139
Income from operations before income tax and equity in earnings of investees	19,555	18,559	58,929	60,634
Income tax (provision) benefit	3,178	3,956	3,325	(4,929)
Equity in earnings of investees	1,232	1,996	2,061	2,267
Net income	23,965	24,511	64,315	57,972
Net income attributable to noncontrolling interest	(1,722)	(320)	(3,485)	(4,752)
Net income attributable to the Company's stockholders	22,243	24,191	60,830	53,220
Comprehensive income:
Net income	23,965	24,511	64,315	57,972
Other comprehensive income (loss), net of related taxes:
Change in foreign currency translation adjustments	(266)	393	(2,429)	(303)
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	429	1,404	939	390
Other changes in comprehensive income	(28)	14	25	28
Total other comprehensive income (loss), net of related taxes:	(1,013)	4,288	(986)	(2,811)
Comprehensive income	22,952	28,799	63,329	55,161
Comprehensive income attributable to noncontrolling interest	(1,620)	(569)	(2,921)	(4,611)
Comprehensive income attributable to the Company's stockholders	$ 21,332	$ 28,230	$ 60,408	$ 50,550
Earnings per share attributable to the Company's stockholders:
Earnings per share, basic (US Dollar per share)	$ 0.37	$ 0.40	$ 1.01	$ 0.91
Earnings per share, diluted (US Dollar per share)	$ 0.37	$ 0.40	$ 1.00	$ 0.90
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	60,451,000	60,245,000	60,419,000	58,494,000
Weighted average number of shares used in computation of diluted earnings per share	60,755,000	60,634,000	60,655,000	58,901,000
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	$ (1,189)	$ 2,477	$ (628)	$ (2,926)
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	41	0	1,107	0
Electricity
Revenues:
Total revenues	166,226	155,324	357,479	325,634
Cost of revenues:
Total cost of revenues	110,515	109,424	227,245	204,182
Product
Revenues:
Total revenues	37,829	33,458	62,661	43,500
Cost of revenues:
Total cost of revenues	32,662	29,985	53,816	39,336
Energy Storage and Management Services
Revenues:
Total revenues	8,908	6,014	16,989	10,894
Cost of revenues:
Total cost of revenues	$ 8,400	$ 5,897	$ 15,872	$ 10,951