Acquisitions of Businesses - Summary of the Valuation Methodologies Significant Assumptions, and Estimated Useful Lives of Acquired Intangible Assets (Details) - USD ($) $ in Thousands					3 Months Ended	12 Months Ended
	Oct. 18, 2021	Oct. 01, 2021	Apr. 20, 2021	Apr. 01, 2021	Mar. 31, 2022	Dec. 31, 2021
Customer Relationships | Minimum
Business Acquisition [Line Items]
Estimated Useful Life					5 years	3 years
Customer Relationships | Maximum
Business Acquisition [Line Items]
Estimated Useful Life					10 years	10 years
Customer Relationships | Inposia
Business Acquisition [Line Items]
Intangible assets Fair Value/ Assigned Value				$ 3,288
Valuation Methodology				Multi-period excess earnings-income approach
Discount Rate				18.50%
Estimated Useful Life				8 years
Customer Relationships | Davo Technologies LLC
Business Acquisition [Line Items]
Intangible assets Fair Value/ Assigned Value			$ 2,050
Valuation Methodology			Multi-period excess earnings-income approach and replacement cost method-cost approach
Discount Rate			13.50%
Estimated Useful Life			6 years
Customer Relationships | Track1099 LLC
Business Acquisition [Line Items]
Intangible assets Fair Value/ Assigned Value		$ 3,200
Valuation Methodology		Multi-period excess earnings-income approach
Discount Rate		28.00%
Estimated Useful Life		5 years
Customer Relationships | CrowdReason LLC and CorrelationAdvisors
Business Acquisition [Line Items]
Intangible assets Fair Value/ Assigned Value	$ 5,700
Valuation Methodology	Multi-period excess earnings-income approach
Discount Rate	18.00%
Customer Relationships | CrowdReason LLC and CorrelationAdvisors | Minimum
Business Acquisition [Line Items]
Estimated Useful Life	5 years
Customer Relationships | CrowdReason LLC and CorrelationAdvisors | Maximum
Business Acquisition [Line Items]
Estimated Useful Life	8 years
Developed Technology | Minimum
Business Acquisition [Line Items]
Estimated Useful Life					1 year	3 years
Developed Technology | Maximum
Business Acquisition [Line Items]
Estimated Useful Life					6 years	8 years
Developed Technology | Inposia
Business Acquisition [Line Items]
Intangible assets Fair Value/ Assigned Value				$ 9,572
Valuation Methodology				Relief from royalty-income approach
Discount Rate				18.50%
Estimated Useful Life				6 years
Developed Technology | Davo Technologies LLC
Business Acquisition [Line Items]
Intangible assets Fair Value/ Assigned Value			$ 1,950
Valuation Methodology			Relief from royalty-income approach
Discount Rate			13.50%
Estimated Useful Life			5 years
Developed Technology | Track1099 LLC
Business Acquisition [Line Items]
Intangible assets Fair Value/ Assigned Value		$ 1,250
Valuation Methodology		Relief from royalty-income approach
Discount Rate		28.00%
Estimated Useful Life		2 years
Developed Technology | CrowdReason LLC and CorrelationAdvisors
Business Acquisition [Line Items]
Intangible assets Fair Value/ Assigned Value	$ 3,900
Valuation Methodology	Relief from royalty-income approach
Discount Rate	18.00%
Estimated Useful Life	5 years
Backlog
Business Acquisition [Line Items]
Estimated Useful Life						3 years
Backlog | Minimum
Business Acquisition [Line Items]
Estimated Useful Life					1 year
Backlog | Maximum
Business Acquisition [Line Items]
Estimated Useful Life					7 years
Backlog | CrowdReason LLC and CorrelationAdvisors
Business Acquisition [Line Items]
Intangible assets Fair Value/ Assigned Value	$ 450
Valuation Methodology	Multi-period excess earnings-income approach
Discount Rate	15.00%
Estimated Useful Life	1 year
Noncompete Agreements | Minimum
Business Acquisition [Line Items]
Estimated Useful Life					3 years	3 years
Noncompete Agreements | Maximum
Business Acquisition [Line Items]
Estimated Useful Life					5 years	5 years
Noncompete Agreements | Inposia
Business Acquisition [Line Items]
Intangible assets Fair Value/ Assigned Value				$ 1,174
Valuation Methodology				With-and-without valuation-income approach
Discount Rate				21.00%
Estimated Useful Life				3 years
Noncompete Agreements | Davo Technologies LLC
Business Acquisition [Line Items]
Intangible assets Fair Value/ Assigned Value			$ 564
Valuation Methodology			With-and-without valuation-income approach
Discount Rate			15.50%
Estimated Useful Life			5 years
Noncompete Agreements | Track1099 LLC
Business Acquisition [Line Items]
Intangible assets Fair Value/ Assigned Value		$ 1,300
Valuation Methodology		With-and-without valuation-income approach
Discount Rate		30.00%
Estimated Useful Life		5 years
Noncompete Agreements | CrowdReason LLC and CorrelationAdvisors
Business Acquisition [Line Items]
Intangible assets Fair Value/ Assigned Value	$ 100
Valuation Methodology	With-and-without valuation-income approach
Discount Rate	20.00%
Estimated Useful Life	5 years
Tradename and Trademarks | Minimum
Business Acquisition [Line Items]
Estimated Useful Life					1 year	1 year
Tradename and Trademarks | Maximum
Business Acquisition [Line Items]
Estimated Useful Life					3 years	4 years
Tradename and Trademarks | Inposia
Business Acquisition [Line Items]
Intangible assets Fair Value/ Assigned Value				$ 235
Valuation Methodology				Relief from royalty-income approach
Discount Rate				18.50%
Estimated Useful Life				3 years
Tradename and Trademarks | Davo Technologies LLC
Business Acquisition [Line Items]
Intangible assets Fair Value/ Assigned Value			$ 87
Valuation Methodology			Relief from royalty-income approach
Discount Rate			13.50%
Estimated Useful Life			1 year
Tradename and Trademarks | Track1099 LLC
Business Acquisition [Line Items]
Intangible assets Fair Value/ Assigned Value		$ 100
Valuation Methodology		Relief from royalty-income approach
Discount Rate		28.00%
Estimated Useful Life		2 years
Tradename and Trademarks | CrowdReason LLC and CorrelationAdvisors
Business Acquisition [Line Items]
Intangible assets Fair Value/ Assigned Value	$ 150
Valuation Methodology	Relief from royalty-income approach
Discount Rate	18.00%
Estimated Useful Life	2 years