Basis of Presentation and Recent Developments (Details) £ in Thousands, $ in Thousands	Oct. 03, 2022 USD ($)	Oct. 03, 2022 GBP (£)	Jul. 15, 2022 USD ($)	Jul. 12, 2022 USD ($)	Apr. 19, 2022 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)
Reclassification [Line Items]
Accrued media						$ 188,344	$ 237,794
BNG
Business Acquisition [Line Items]
Aggregate purchase price					$ 20,695
Estimated contingent consideration					$ 50,000
Contingent consideration payable in cash (percent)					67.00%
Contingent consideration payable in equity (percent)					33.00%
PEP Group
Business Acquisition [Line Items]
Aggregate purchase price				$ 521
Estimated contingent consideration				$ 2,679
Apollo
Business Acquisition [Line Items]
Aggregate purchase price			$ 2,300
Payments to Acquire Business, First Payment			1
Payments to Acquire Business, Second Payment			$ 1,500
Subsequent event | Maru Group
Business Acquisition [Line Items]
Aggregate purchase price | £		£ 23,000
Subsequent event | Wolfgang
Business Acquisition [Line Items]
Aggregate purchase price	$ 3,750
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	5,250
Subsequent event | Epicenter
Business Acquisition [Line Items]
Aggregate purchase price	9,729
Estimated contingent consideration	$ 5,000
Restatement Adjustment
Reclassification [Line Items]
Accrued media							$ 237,794