Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 2,226,788	$ 2,347,775
Accumulated Amortization	(814,411)	(796,831)
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,053,638	2,029,955
Accumulated Amortization	(757,658)	(606,532)
Trade Names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	64,500	201,861
Accumulated Amortization	(31,964)	(164,797)
Subcontractor Relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		5,440
Accumulated Amortization		(5,440)
Non-compete Agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	13,050	14,919
Accumulated Amortization	(5,021)	(5,685)
Developed Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	95,600	95,600
Accumulated Amortization	$ (19,768)	$ (14,377)