Goodwill and Identifiable Intangible Assets, Net - Identifiable Intangible Assets, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Identifiable Intangible Assets, Net
Finite-lived intangible assets acquired	$ 251,300	$ 49,900
Estimated Useful Life	9 years 1 month 6 days	10 years 2 months 12 days
Gross Book Value	$ 756,997	$ 512,182
Accumulated Amortization	(322,580)	(231,785)
Future amortization expense of identifiable intangible assets
2025	66,576
2026	55,961
2027	53,650
2028	52,103
2028	45,835
Thereafter	160,292
Total	$ 434,417
Customer Relationships
Identifiable Intangible Assets, Net
Estimated Useful Lives in Years	7 years 2 months 12 days
Gross Book Value	$ 550,518	376,621
Accumulated Amortization	$ (241,263)	(193,338)
Backlog
Identifiable Intangible Assets, Net
Estimated Useful Lives in Years	1 year 6 months
Gross Book Value	$ 54,918	5,900
Accumulated Amortization	$ (40,328)	(4,331)
Trade Name
Identifiable Intangible Assets, Net
Estimated Useful Lives in Years	17 years 7 months 6 days
Gross Book Value	$ 151,561	129,661
Accumulated Amortization	$ (40,989)	$ (34,116)
Customer Relationships Noncompete Agreements and Tradenames | Minimum
Identifiable Intangible Assets, Net
Estimated Useful Lives in Years	1 year
Customer Relationships Noncompete Agreements and Tradenames | Maximum
Identifiable Intangible Assets, Net
Estimated Useful Lives in Years	25 years