Revenue - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	$ 23,708	$ 13,483	$ 36,632	$ 22,601
Total Revenues	23,708	13,483	36,632	22,601
Services and goods transferred over time
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	2,222		2,907	22,601
Services and goods transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	21,486	13,483	33,725
Building Solutions
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	20,384	13,483	32,502	22,601
Total Revenues	20,384	13,483	32,502	22,601
Building Solutions | Services and goods transferred over time
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	0		0	22,601
Building Solutions | Services and goods transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	20,384	13,483	32,502
Energy Services
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	3,324	0	4,130	0
Total Revenues	3,324	0	4,130	0
Energy Services | Services and goods transferred over time
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	2,222		2,907	$ 0
Energy Services | Services and goods transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	$ 1,102	$ 0	$ 1,223