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Acquisitions and Dispositions - Narrative (Details) $ in Thousands, € in Millions, £ in Millions, R$ in Millions													3 Months Ended		6 Months Ended
	Apr. 05, 2024 USD ($) shares	Apr. 05, 2024 BRL (R$) shares	Apr. 04, 2024 USD ($)	Apr. 04, 2024 EUR (€)	Mar. 01, 2024 USD ($) shares	Mar. 01, 2024 GBP (£) shares	Jan. 02, 2024 USD ($) shares	Nov. 01, 2023 USD ($) shares	Oct. 02, 2023 USD ($) shares	Jul. 03, 2023 USD ($)	Apr. 25, 2023 USD ($)	Apr. 25, 2023 EUR (€)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Apr. 05, 2024 BRL (R$)	Apr. 04, 2024 EUR (€)	Mar. 01, 2024 GBP (£)	Dec. 31, 2023 USD ($)
Business Acquisition [Line Items]
Goodwill													$ 1,504,650		$ 1,504,650					$ 1,498,815
Revenues													671,168	$ 632,265	1,341,227	$ 1,254,709
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest													(3,954)	(4,965)	(4,667)	(7,834)
Huskies [Member]
Business Acquisition [Line Items]
Aggregate purchase price											$ 6,000	€ 5.2
Goodwill											2,600
Business Combination, Payables to Sellers											$ 1,000	€ 0.9
Tinsel
Business Acquisition [Line Items]
Aggregate purchase price										$ 2,500
Goodwill										$ 1,600
Left Field Labs
Business Acquisition [Line Items]
Aggregate purchase price									$ 13,200
Closing cash payment									9,400
Deferred acquisition consideration									51,000
Goodwill									$ 7,900
Shares issued by the Company (shares) | shares									825,402
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned									$ 3,800
Movers and Shakers LLC
Business Acquisition [Line Items]
Aggregate purchase price								$ 14,700
Closing cash payment								10,200
Deferred acquisition consideration								35,000
Goodwill								8,200
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned								$ 4,500
Movers and Shakers LLC | Common Class A
Business Acquisition [Line Items]
Shares issued by the Company (shares) | shares								1,000,000
Team Epiphany
Business Acquisition [Line Items]
Aggregate purchase price							$ 15,800
Closing cash payment							10,800
Deferred acquisition consideration							$ 17,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life							3 years
Goodwill							$ 7,237
Revenues													10,300		23,700
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net							$ 15,848
Shares issued by the Company (shares) | shares							797,916
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles							$ 4,316
Business Acquisition, Pro Forma Revenue														642,126		1,272,964
Business Acquisition, Pro Forma Net Income (Loss)														$ (3,852)		$ (5,973)
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned							$ 5,000
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest													$ 600		$ 700
Team Epiphany | Customer Relationships
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life							3 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles							$ 3,767
Team Epiphany | Trade Names
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life							3 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles							$ 549
Sidekick Live Limited
Business Acquisition [Line Items]
Aggregate purchase price					$ 6,000	£ 4.6
Closing cash payment					5,000	£ 3.6
Deferred acquisition consideration					10,000														£ 8.0
Goodwill					$ 2,000
Shares issued by the Company (shares) | shares					195,431	195,431
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned					$ 1,000														£ 0.9
Business Combination, Consideration Transferred, Liabilities Incurred					$ 200	£ 0.1
PROS Agency
Business Acquisition [Line Items]
Aggregate purchase price	$ 9,000	R$ 42.1
Closing cash payment	5,000	R$ 23.3
Deferred acquisition consideration	14,000																R$ 72.5
Goodwill	$ 5,500
Shares issued by the Company (shares) | shares	182,256	182,256
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned	$ 1,000																R$ 5.3
What's Next Partners
Business Acquisition [Line Items]
Aggregate purchase price			$ 5,000	€ 4.3
Deferred acquisition consideration			9,000															€ 8.5
Goodwill			$ 5,400

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