Acquisitions - Additional Information (Details) - Applied Energy Group, Inc. - USD ($) $ in Thousands		3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2024	Mar. 31, 2025	Sep. 30, 2025	Dec. 31, 2024	Jun. 30, 2025
Business Combination [Line Items]
Business acquisition date	Dec. 31, 2024
Business acquisition, description			AEG, an energy technology and advisory services company
Cash purchase price	$ 59,900
Restricted cash			$ 5,400
Accounts receivable			4,400
Contract assets			2,600
Accrued expenses			6,600
Accounts payable			1,300
Other assets			700
Other liabilities			700
Trade Names and Trademarks
Business Combination [Line Items]
Purchase price allocated to intangibles			$ 350
Estimated useful lives of acquired intangible assets			3 months 15 days
Customer-Related Intangibles
Business Combination [Line Items]
Purchase price allocated to intangibles	21,000	$ 20,000	$ 20,000	$ 21,000
Estimated useful lives of acquired intangible assets		6 years	6 years	9 years
Goodwill
Business Combination [Line Items]
Purchase price allocated to intangibles	$ 30,200			$ 30,200	$ 30,600