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Segment and Geographic Information - Narrative (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2025 USD ($) numberOfSegment	Mar. 31, 2024 USD ($)
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Number of reportable segments | numberOfSegment	1
Reportable Segment
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Headcount‑related costs	$ 199,609	$ 185,201
Segment reporting other segment item amount, net income measure	79,595	82,252
Segment reporting other segment item amount, Adjusted OI w/SBC	45,529	42,402
Headcount adjustment amount, Adjusted OI w/ SBC measure	$ 816	$ 2,185

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- Definition

Headcount-Related Costs

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- Definition

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Segment Reporting, Other Segment Item, Amount, Net Income Measure

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 47
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482785/280-10-55-47

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 54
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482785/280-10-55-54

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-18

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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