Acquisitions - Narrative (Details) $ in Thousands			6 Months Ended	12 Months Ended
	May 29, 2021 USD ($) employee	Dec. 14, 2020 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Business Acquisition [Line Items]
Acquisition fair value of contingent consideration issued for acquisition of business			$ 4,986	$ 4,986	$ 1,947	$ 0
Tactic
Business Acquisition [Line Items]
Voting rights, percentage	100.00%
Number of employees acquired | employee	180
Consideration transferred	$ 37,600
Payments to acquire business	33,600
Acquisition fair value of contingent consideration issued for acquisition of business	4,000
Maximum contingent consideration	$ 5,000
Estimated future operating results period	12 months
Cash and cash equivalents			3,000	3,000
Increase in goodwill			700
Revenue of acquiree from date of acquisition				16,700
Daxx
Business Acquisition [Line Items]
Payments to acquire business		$ 18,400
Acquisition fair value of contingent consideration issued for acquisition of business			1,900	1,900
Estimated future operating results period		270 days
Cash and cash equivalents			$ 2,300	2,300
Revenue of acquiree from date of acquisition				$ 29,200
Daxx | Maximum
Business Acquisition [Line Items]
Consideration transferred		$ 23,300
Maximum contingent consideration		$ 4,900
Tactic Knowledge Inc. and Daxx Web Industries B.V ("Daxx")
Business Acquisition [Line Items]
Revenue of acquiree from date of acquisition					$ 1,000