Revenue - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Asset recognized related to incremental costs of obtaining a contract	$ 0	$ 0
Costs in excess of billings	54,437,000	26,915,000	$ 20,607,000
Unearned revenue	3,681,000	21,325,000	15,389,000
Revenue recognized which was in contract liabilities	53,000,000	57,800,000	27,500,000
Billings in excess of cost
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Unearned revenue	$ 46,711,000	34,702,000	$ 47,598,000
Thermo Energy Systems Inc., Delta Separations, LLC, Architectural Mailboxes LLC , Sunfig Corporation, and TerraSmart LLC
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Costs in excess of billings		6,800,000
Unearned revenue		9,000,000
Thermo Energy Systems Inc., Delta Separations, LLC, Architectural Mailboxes LLC , Sunfig Corporation, and TerraSmart LLC | Billings in excess of cost
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Unearned revenue		$ 12,400,000
Minimum
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Contract payment terms	30 days
Maximum
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Contract payment terms	60 days
Remaining performance obligation expected timing of satisfaction	1 year