Acquisitions and Dispositions - Narrative (Details) $ in Thousands, € in Millions, ₪ in Millions, £ in Millions, R$ in Millions																	12 Months Ended
	Jun. 02, 2025 USD ($)	May 01, 2025 USD ($) shares	Apr. 11, 2025 USD ($)	Apr. 02, 2025 USD ($) 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	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 19, 2024 EUR (€)	Jul. 19, 2024 ILS (₪)	Apr. 05, 2024 BRL (R$)	Apr. 04, 2024 EUR (€)	Mar. 01, 2024 GBP (£)	Dec. 31, 2023 USD ($)
Business Acquisition [Line Items]
Deferred acquisition consideration																		$ 28,100
Goodwill																	$ 1,595,238	1,554,146						$ 1,498,815
ADK Group
Business Acquisition [Line Items]
Aggregate purchase price	$ 21,700
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 | Customer Relationships
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		6,500
JetFuel | Trade Names
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		1,000
JetFuel | Maximum
Business Acquisition [Line Items]
Deferred acquisition consideration		$ 59,500
Create Group Holding Limited
Business Acquisition [Line Items]
Aggregate purchase price			$ 300	$ 15,700
Closing cash payment				11,500
Goodwill				$ 6,200
Shares issued by the Company (shares) | shares				653,663
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned				$ 4,000
Business Combination, Consideration Transferred, Liabilities Incurred				200
Create Group Holding Limited | Customer Relationships
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles				3,800
Create Group Holding Limited | Trade Names
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles				600
Create Group Holding Limited | Maximum
Business Acquisition [Line Items]
Deferred acquisition consideration				$ 24,000
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
Goodwill					$ 36,048
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, Equity Interest Issued or Issuable, Value Assigned					26,000														25.0
Business Combination, Consideration Transferred, Liabilities Incurred					$ 1,000	€ 0.7
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life					10 years	10 years
Unicepta | Customer Relationships
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles					$ 22,083
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life					12 years	12 years
Unicepta | Trade Names
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles					$ 5,417
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life					10 years	10 years
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
Goodwill							$ 16,687
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, Equity Interest Issued or Issuable, Value Assigned							$ 12,900
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life							9 years
Business Combination, Consideration Transferred, Other																	$ 100
Consulum | Customer Relationships
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles							$ 43,800
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life							7 years
Consulum | Trade Names
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles							$ 13,400
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life							10 years
Consulum | Maximum
Business Acquisition [Line Items]
Deferred acquisition consideration							$ 90,000
Team Epiphany
Business Acquisition [Line Items]
Aggregate purchase price																$ 16,700
Closing cash payment																11,700
Deferred acquisition consideration																17,000
Goodwill																$ 8,452
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
Team Epiphany | Customer Relationships
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles																3,767
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life					3 years	3 years
Team Epiphany | Trade Names
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles																$ 549
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life							3 years
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 | Customer Relationships
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles																		700
Leaders | Trade Names
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles																		600
Leaders | Maximum
Business Acquisition [Line Items]
Deferred acquisition consideration								$ 7,000												₪ 24.2
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										$ 5,500
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 | Customer Relationships
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles																		2,400
PROS Agency | Trade Names
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles																		300
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
What's Next Partners | Customer Relationships
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles																		2,400
What's Next Partners | Trade Names
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles																		400
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
Sidekick Live Limited | Customer Relationships
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles																		$ 700