Revenue from Contracts with Customers - Revisions in Contract Estimates (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) project	Dec. 31, 2020 USD ($) project
Revenue from Contract with Customer [Abstract]
Revision amount of gross profit contract estimates (more than)	$ 250
Disaggregation of Revenue [Line Items]
Gross profit write-up	$ 5,663	$ 1,654
Project count | project	12	3
Gross profit write ups	$ (6,290)	$ (10,379)
Project count | project	9	15
Total gross profit write-downs, net	$ (627)	$ (8,725)
GCR
Disaggregation of Revenue [Line Items]
Gross profit write-up	$ 5,663	$ 1,654
Project count | project	12	3
Gross profit write ups	$ (5,958)	$ (10,379)
Project count | project	8	15
ODR
Disaggregation of Revenue [Line Items]
Gross profit write-up	$ 0	$ 0
Project count | project	0	0
Gross profit write ups	$ (332)	$ 0
Project count | project	1	0