Acquisition - Additional Information (Detail) $ in Thousands			1 Months Ended	3 Months Ended
	Dec. 01, 2023 USD ($) Teammate Office	Aug. 17, 2023 USD ($)	Mar. 31, 2024 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Business Acquisition [Line Items]
Goodwill			$ 680,876	$ 680,876	$ 684,345
SADA Systems, LLC
Business Acquisition [Line Items]
Acquisition, percentage of issued and outstanding shares acquired	100.00%
Business combination, consideration transferred	$ 399,762
Cash and cash equivalents acquired from acquisition	$ 24,701
Number of office | Office	3
Cash paid to acquire business	$ 424,252
Cash purchase price	423,290
Contractual adjustments	1,173
Seller retention fund	5,000
Business combination, contingent consideration, liability	21,288
Seller incentive opportunity	390,000
Stock-based compensation liabilities	68,335
Transaction costs	16,852
Goodwill adjustments				1,255
Indemnification receivable			1,798	$ 1,798
Estimated fair value of net assets acquired	308,485
Identifiable intangible assets - see description below	158,100
Goodwill	115,767
SADA Systems, LLC | Customer Relationships
Business Acquisition [Line Items]
Identifiable intangible assets - see description below	$ 124,700
Finite-lived intangible asset, useful life	10 years
SADA Systems, LLC | Noncompete Agreements
Business Acquisition [Line Items]
Identifiable intangible assets - see description below	$ 26,200
SADA Systems, LLC | Trade Names
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life	3 years
SADA Systems, LLC | Minimum
Business Acquisition [Line Items]
Number of teammates | Teammate	800
SADA Systems, LLC | Minimum | Noncompete Agreements
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life	3 years
SADA Systems, LLC | Maximum | Noncompete Agreements
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life	5 years
Amdaris
Business Acquisition [Line Items]
Acquisition, percentage of issued and outstanding shares acquired		100.00%
Cash paid to acquire business		$ 82,875
Estimated fair value of net assets acquired		34,060
Goodwill		71,698
Earnout payment			$ 14,348
Intangible assets acquired		$ 41,291
Amdaris | Customer Relationships
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life		10 years
Amdaris | Minimum
Business Acquisition [Line Items]
Business combination, contingent consideration, liability		$ 0
Amdaris | Maximum
Business Acquisition [Line Items]
Business combination, contingent consideration, liability		$ 54,391