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Stock Incentive Plans - Schedule of Share-based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based compensation recorded within Compensation and benefits	$ 44,434	$ 45,999
Property and equipment (capitalized internal-use software)	2,080	1,028
Total share-based compensation expense	46,514	47,027
Restricted stock units
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based compensation recorded within Compensation and benefits	24,163	24,792
Stock options
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based compensation recorded within Compensation and benefits	6,611	7,483
Performance restricted stock units
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based compensation recorded within Compensation and benefits	240	0
Performance restricted stock units | Chief Executive Officer
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based compensation recorded within Compensation and benefits	13,121	13,121
Employee Stock Purchase Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based compensation recorded within Compensation and benefits	$ 299	$ 603

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479830/718-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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Amount of cost capitalized for award under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Section 50
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Amount of cost expensed and capitalized for award under share-based payment arrangement.

+ References

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-Section 50
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-Subparagraph (h)(1)
-Publisher FASB
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