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Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 2,374,475	$ 2,347,775
Accumulated Amortization	(881,426)	(796,831)
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,056,655	2,029,955
Accumulated Amortization	(685,565)	(606,532)
Trade Names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	201,861	201,861
Accumulated Amortization	(167,061)	(164,797)
Subcontractor Relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	5,440	5,440
Accumulated Amortization	(5,440)	(5,440)
Non-compete Agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	14,919	14,919
Accumulated Amortization	(6,287)	(5,685)
Developed Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	95,600	95,600
Accumulated Amortization	$ (17,073)	$ (14,377)

X

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(16))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

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