Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenues:
Revenue	$ 185,232	$ 183,710
Cost of revenues:
Cost of revenues	109,163	113,805
Gross profit	76,069	69,905
Operating expenses:
Research and development expenses	1,288	1,064
Selling and marketing expenses	3,948	4,365
General and administrative expenses	17,667	17,572
Write-off of Energy Storage projects and assets	0	1,826
Operating income	53,166	45,078
Other income (expense):
Interest income	1,851	342
Interest expense, net	(23,631)	(21,081)
Derivatives and foreign currency transaction gains (losses)	(1,937)	260
Income attributable to sale of tax benefits	12,566	7,705
Other non-operating income, net	60	75
Income from operations before income tax and equity in earnings of investees	42,075	32,379
Income tax provision	(8,885)	(10,163)
Equity in earnings of investees	271	577
Net income	33,461	22,793
Net income attributable to noncontrolling interest	(4,432)	(4,363)
Net income attributable to the Company's stockholders	29,029	18,430
Comprehensive income:
Net income	33,461	22,793
Other comprehensive income (loss), net of related taxes:
Change in foreign currency translation adjustments	(696)	(1,156)
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	(1,014)	3,902
Change in unrealized gains or losses in respect of a cross currency swap derivative instrument that qualifies as a cash flow hedge	(5,403)	(1,905)
Change in unrealized gains or losses on marketable securities available-for-sale (net of related tax)	0	(101)
Other changes in comprehensive income	14	15
Total other comprehensive income (loss), net of related taxes:	(7,099)	755
Comprehensive income	26,362	23,548
Comprehensive income attributable to noncontrolling interest	(4,042)	(4,064)
Comprehensive income attributable to the Company's stockholders	$ 22,320	$ 19,484
Earnings per share attributable to the Company's stockholders:
Basic: (in dollars per share)	$ 0.51	$ 0.33
Diluted: (in dollars per share)	$ 0.51	$ 0.33
Weighted average number of shares used in computation of earnings per share attributable to the Company's stockholders:
Basic (in shares)	56,710	56,063
Diluted (in shares)	57,104	56,366
Electricity [Member]
Revenues:
Revenue	$ 170,310	$ 162,525
Cost of revenues:
Cost of revenues	94,758	94,521
Product [Member]
Revenues:
Revenue	10,042	14,628
Cost of revenues:
Cost of revenues	9,351	13,613
Energy Storage and Management Services [Member]
Revenues:
Revenue	4,880	6,557
Cost of revenues:
Cost of revenues	$ 5,054	$ 5,671