Acquisitions and Dispositions - Narrative (Details) $ in Thousands, € in Millions, ₪ in Millions, £ in Millions, R$ in Millions																3 Months Ended		6 Months Ended
	Jun. 02, 2025 USD ($)	May 01, 2025 USD ($) shares	Apr. 02, 2025 USD ($) shares	Dec. 19, 2024 USD ($) shares	Dec. 19, 2024 EUR (€) shares	Oct. 01, 2024 USD ($) shares	Jul. 19, 2024 USD ($) shares	Jul. 19, 2024 ILS (₪) shares	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 ($) shares	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)	Dec. 19, 2024 EUR (€)	Jul. 19, 2024 ILS (₪)	Apr. 05, 2024 BRL (R$)	Apr. 04, 2024 EUR (€)	Mar. 01, 2024 GBP (£)
Business Acquisition [Line Items]
Deferred acquisition consideration																$ 28,100		$ 28,100
Goodwill																1,600,714		1,600,714		$ 1,554,146
Revenues																706,818	$ 671,168	1,358,558	$ 1,341,227
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest																(4,634)	(3,954)	(9,959)	(4,667)
Team Epiphany
Business Acquisition [Line Items]
Aggregate purchase price															$ 16,700
Closing cash payment															11,700
Deferred acquisition consideration															$ 17,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life															3 years
Goodwill															$ 8,452
Revenues																9,700	10,300	20,600	23,700
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net															$ 16,669
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, Equity Interest Issued or Issuable, Value Assigned															$ 5,000
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest																300	600	1,600	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													$ 2,200
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									$ 8,500	R$ 42.1
Closing cash payment									4,700	R$ 23.3
Deferred acquisition consideration									2,700														R$ 13.5
Goodwill									$ 5,400
Shares issued by the Company (shares) | shares									182,256	182,256
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned									$ 1,100														5.3
PROS Agency | Maximum
Business Acquisition [Line Items]
Deferred acquisition consideration									$ 14,400														R$ 72.5
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
Leaders
Business Acquisition [Line Items]
Aggregate purchase price							$ 7,000	₪ 25.2
Closing cash payment							3,000	₪ 10.9
Deferred acquisition consideration							3,000															₪ 10.9
Goodwill							$ 4,900
Shares issued by the Company (shares) | shares							135,010	135,010
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned							$ 1,000															3.5
Leaders | Maximum
Business Acquisition [Line Items]
Deferred acquisition consideration							$ 7,000															₪ 24.2
Unicepta
Business Acquisition [Line Items]
Aggregate purchase price				$ 62,000	€ 60.1
Closing cash payment				24,000	€ 23.8
Deferred acquisition consideration				$ 11,000																	€ 10.6
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life				10 years	10 years
Goodwill				$ 34,583
Revenues																13,200		25,600
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net				$ 62,414
Shares issued by the Company (shares) | shares				3,390,788	3,390,788
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles				$ 36,833
Business Acquisition, Pro Forma Revenue																	684,630		1,367,875
Business Acquisition, Pro Forma Net Income (Loss)																	(5,275)		(8,855)
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned				26,000																	25.0
Business Combination, Consideration Transferred, Liabilities Incurred				$ 1,000	€ 0.7
Unicepta | Customer Relationships
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life				12 years	12 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles				$ 22,083
Unicepta | Trade Names
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life				10 years	10 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles				$ 5,417
Unicepta | Other Intangible Assets
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life				5 years	5 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles				$ 9,333
Unicepta | Maximum
Business Acquisition [Line Items]
Deferred acquisition consideration				$ 42,000																	€ 40.0
Consulum
Business Acquisition [Line Items]
Aggregate purchase price						$ 82,800
Closing cash payment						58,600
Deferred acquisition consideration						$ 11,300
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life						9 years
Goodwill						$ 16,687
Revenues																16,000		28,700
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net						$ 82,846
Shares issued by the Company (shares) | shares						1,810,274
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles						$ 57,200
Business Acquisition, Pro Forma Revenue																	684,832		1,369,810
Business Acquisition, Pro Forma Net Income (Loss)																	(2,708)		(95)
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned						$ 12,900
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest																6,400		6,600
Consulum | Customer Relationships
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life						7 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles						$ 43,800
Consulum | Trade Names
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life						10 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles						$ 13,400
Consulum | Maximum
Business Acquisition [Line Items]
Deferred acquisition consideration						$ 90,000
ADK Group
Business Acquisition [Line Items]
Aggregate purchase price	$ 25,700
Revenues																6,300
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 103
Business Acquisition, Pro Forma Revenue																722,667	687,264	1,389,112	1,373,675
Business Acquisition, Pro Forma Net Income (Loss)																(6,652)	$ (4,523)	$ (13,882)	$ (6,274)
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest																$ 600
JetFuel
Business Acquisition [Line Items]
Aggregate purchase price		$ 22,200
Closing cash payment		10,300
Goodwill		$ 11,900
Shares issued by the Company (shares) | shares		2,017,857
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned		$ 11,300
Business Combination, Consideration Transferred, Liabilities Incurred		700
JetFuel | Maximum
Business Acquisition [Line Items]
Deferred acquisition consideration		$ 59,500
Create Group Holding Limited
Business Acquisition [Line Items]
Aggregate purchase price			$ 15,700
Closing cash payment			11,500
Goodwill			$ 7,300
Shares issued by the Company (shares) | shares			653,663
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned			$ 4,000
Create Group Holding Limited | Maximum
Business Acquisition [Line Items]
Deferred acquisition consideration			$ 24,000