Equity method investment (Additional Information) (Details) - USD ($) $ in Thousands		12 Months Ended
	Jul. 28, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Feb. 09, 2023
Schedule of Equity Method Investments [Line Items]
Gain from disposal of investment in unconsolidated subsidiary		$ 1,319	$ 1,745	$ 20,829
Loss from unconsolidated subsidiary		$ 660	$ 0	$ 354
Placing purchase orders		Pursuant to the Supply Agreement, we have committed to placing purchase orders with Alpha Steel during the year ended December 31, 2024, for at least 40,000 metric tons of torque tubes, with such volume commitments increasing in each of the next two annual periods by 20,000 metric tons per period
Net profit attributable		$ 4,000
Alpha Steel [Member]
Schedule of Equity Method Investments [Line Items]
Additional interest rate (above prime)	2.00%
Ownership percentage					45.00%
Capital contributions		900
Additional capital contributions		2,600
Loss from unconsolidated subsidiary		700
Liability for unpaid claims and claims adjustment expense		$ 3,400
Taihua New Energy [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage					51.00%
DAYV LLC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage					4.00%