Acquisitions and Divestitures - Additional Information (Details) - USD ($) $ in Thousands							1 Months Ended	12 Months Ended
	Nov. 01, 2023	Sep. 12, 2023	May 01, 2023	Sep. 01, 2022	Jul. 13, 2022	Nov. 01, 2021	Dec. 31, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jul. 24, 2023	Jul. 21, 2023
Acquisition and Divestiture [Line Items]
Goodwill							$ 1,046,760	$ 1,219,476	$ 1,212,898	$ 1,046,760
Goodwill resulting from business combination								21,133	171,415
Revenue								1,963,238	1,779,964	1,553,048
Goodwill, Purchase Accounting Adjustments								21,133	171,415
Business Acquisition and Integration Related Costs								4,300
Proceeds from divestiture of a business								51,328
Gain on divestiture								$ 7,590
Commercial Marketing
Acquisition and Divestiture [Line Items]
Initial cash consideration												$ 49,500
Asset purchase agreement date		Sep. 12, 2023
Proceeds from divestiture of a business		$ 47,100
Gain on divestiture		4,400
Divestiture transactions fees		1,900
Pre-tax gain on divestiture, net of transactions fees		$ 2,500
Mobile Aggregation Business
Acquisition and Divestiture [Line Items]
Initial cash consideration											$ 5,400
Asset purchase agreement date	Nov. 01, 2023
Pre-tax gain on divestiture, net of transactions fees	$ 3,200
CMY Solutions, LLC.
Acquisition and Divestiture [Line Items]
Business acquisition date			May 01, 2023
Working capital acquired			$ 1,200
Goodwill			21,100
Purchase price allocated to intangibles			10,300
Cash purchase price			32,600
CMY Solutions, LLC. | Customer Relationships
Acquisition and Divestiture [Line Items]
Purchase price allocated to intangibles			10,200
CMY Solutions, LLC. | Trade Names and Trademarks
Acquisition and Divestiture [Line Items]
Purchase price allocated to intangibles			$ 100
Blanton & Associates
Acquisition and Divestiture [Line Items]
Working capital acquired				$ 4,600
Purchase price allocated to property and equipment				200
Deferred income tax liabilities				3,000
Goodwill				9,700
Purchase price allocated to intangibles				11,400
Cash purchase price				22,900
Blanton & Associates | Customer Relationships
Acquisition and Divestiture [Line Items]
Purchase price allocated to intangibles				10,900
Blanton & Associates | Trade Names and Trademarks
Acquisition and Divestiture [Line Items]
Purchase price allocated to intangibles				100
Blanton & Associates | Contract Backlog
Acquisition and Divestiture [Line Items]
Purchase price allocated to intangibles				$ 500
SemanticBits LLC
Acquisition and Divestiture [Line Items]
Purchase price acquisition					$ 215,998
Deferred income tax liabilities					16,701
Cash purchase price					$ 216,000
Revenue									64,300
Gross Profit									$ 26,700
SemanticBits LLC | Customer Relationships
Acquisition and Divestiture [Line Items]
Weighted average amortization period for intangibles					4 years
SemanticBits LLC | Trade Names and Trademarks
Acquisition and Divestiture [Line Items]
Purchase price allocated to intangibles					$ 1,120
Weighted average amortization period for intangibles					8 months 12 days
Creative Systems
Acquisition and Divestiture [Line Items]
Business acquisition date							Dec. 31, 2021
Purchase price acquisition							$ 156,600
Goodwill resulting from business combination							28,900
Goodwill, Purchase Accounting Adjustments							28,900
Creative Systems | Customer Relationships
Acquisition and Divestiture [Line Items]
Purchase price allocated to intangibles							$ 24,500			$ 24,500
Amortization Period of intangible assets							4 years			4 years
Creative Systems | Intangible Assets
Acquisition and Divestiture [Line Items]
Purchase price allocated to intangibles							$ 128,100			$ 128,100
Creative Systems | Developed Technology
Acquisition and Divestiture [Line Items]
Purchase price allocated to intangibles							$ 3,700			$ 3,700
Amortization Period of intangible assets							10 years			10 years
Creative Systems | Trade Names and Trademarks
Acquisition and Divestiture [Line Items]
Purchase price allocated to intangibles							$ 600			$ 600
Creative Systems | Non-compete Agreements
Acquisition and Divestiture [Line Items]
Purchase price allocated to intangibles							$ 100			$ 100
Creative Systems | Non-compete Agreements | Maximum
Acquisition and Divestiture [Line Items]
Amortization Period of intangible assets							1 year			1 year
ESAC
Acquisition and Divestiture [Line Items]
Working capital acquired						$ 2,600
Goodwill						11,300
Cash purchase price						17,300
ESAC | Customer Relationships
Acquisition and Divestiture [Line Items]
Purchase price allocated to intangibles						$ 3,100
Amortization Period of intangible assets						3 years
ESAC | Technology and other intangibles
Acquisition and Divestiture [Line Items]
Purchase price allocated to intangibles						$ 300
Amortization Period of intangible assets						1 year
ESAC | Intangible Assets
Acquisition and Divestiture [Line Items]
Purchase price allocated to intangibles						$ 3,400