Business Combinations - Additional Information (Details) - USD ($) $ in Thousands			1 Months Ended	3 Months Ended		9 Months Ended
	Sep. 01, 2022	Jul. 13, 2022	Dec. 31, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Business Acquisition [Line Items]
Goodwill			$ 1,046,760	$ 1,190,450		$ 1,190,450
Revenue				467,777	$ 394,060	1,304,355	$ 1,165,063
Operating loss				28,234	32,265	85,713	92,348
Net loss				19,105	$ 20,390	55,364	$ 59,053
Blanton and Associates
Business Acquisition [Line Items]
Business acquisition date	Sep. 01, 2022
Working capital acquired	$ 5,000
Purchase price allocated to property and equipment	200
Measurement period adjustments						5,830
Purchase price allocated to intangibles	11,400
Goodwill	5,800
Blanton and Associates | Customer Relationships
Business Acquisition [Line Items]
Purchase price allocated to intangibles	10,900
Blanton and Associates | Contract Backlog
Business Acquisition [Line Items]
Purchase price allocated to intangibles	500
Blanton and Associates | Trade Names and Trademarks
Business Acquisition [Line Items]
Purchase price allocated to intangibles	$ 100
SemanticBits
Business Acquisition [Line Items]
Purchase price acquisition		$ 217,710
Measurement period adjustments						144,609
Purchase price allocated to intangibles		208,700
Goodwill		144,600
Post-closing working capital adjustments		2,300
Revenue				30,100		30,100
Gross profit				9,500		9,500
Initial cash purchase price		220,000
SemanticBits | Customer Relationships
Business Acquisition [Line Items]
Purchase price allocated to intangibles		$ 63,000
Weighted average amortization period for intangibles		4 years
SemanticBits | Trade Names and Trademarks
Business Acquisition [Line Items]
Purchase price allocated to intangibles		$ 1,120
Weighted average amortization period for intangibles		8 months 12 days
Creative Systems
Business Acquisition [Line Items]
Business acquisition date			Dec. 31, 2021
Purchase price acquisition			$ 156,600
Measurement period adjustments			128,100
Goodwill				1,900		$ 1,900
Initial cash purchase price			159,500
Working capital adjustments			2,900
Creative Systems | Intangible Assets
Business Acquisition [Line Items]
Purchase price allocated to intangibles			28,900
Creative Systems | Customer Relationships
Business Acquisition [Line Items]
Purchase price allocated to intangibles			24,500
Creative Systems | Developed Technology
Business Acquisition [Line Items]
Purchase price allocated to intangibles			3,700
Creative Systems | Trade Names and Trademarks
Business Acquisition [Line Items]
Purchase price allocated to intangibles			600
Creative Systems | Non-compete Agreements
Business Acquisition [Line Items]
Purchase price allocated to intangibles			$ 100
We Are Vista | Indemnity
Business Acquisition [Line Items]
Purchase price acquisition				$ 1,000