Acquisitions - Summary of Estimated Fair Values of Assets Acquired and Liabilities Assumed on Preliminary Purchase Price Allocation (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Aug. 23, 2023	Apr. 13, 2023
Business Acquisition [Line Items]
Contract assets	$ 768,007	$ 757,515
Goodwill	1,791,443	1,792,665
Investments in and advances to unconsolidated joint ventures	145,043	128,204
Contract liabilities	$ (282,962)	$ (301,107)
Sealing Technologies, Inc.
Business Acquisition [Line Items]
Cash and cash equivalents			$ 8,133
Accounts receivable			17,889
Contract assets			2,946
Prepaid expenses and other current assets			1,379
Property and equipment			2,025
Right of use assets, operating leases			1,836
Deferred tax assets			357
Goodwill			90,593
Intangible assets			75,000
Accounts payable			(15,987)
Accrued expenses and other current liabilities			(2,408)
Contract liabilities			(668)
Short-term lease liabilities, operating leases			(418)
Long-term lease liabilities, operating leases			(1,418)
Net assets acquired			$ 179,259
IPKeys Power Partners
Business Acquisition [Line Items]
Cash and cash equivalents				$ 126
Accounts receivable				3,937
Contract assets				834
Prepaid expenses and other current assets				455
Property and equipment				86
Right of use assets, operating leases				1,105
Goodwill				22,407
Intangible assets				23,000
Other noncurrent assets				152
Accounts payable				(541)
Accrued expenses and other current liabilities				(1,768)
Contract liabilities				(1,936)
Short-term lease liabilities, operating leases				(343)
Deferred tax liabilities				(3,713)
Long-term lease liabilities, operating leases				(762)
Net assets acquired				$ 43,039