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Related Party Transactions - Cantor Aurel Revenue Sharing Agreement (Details) - USD ($)		3 Months Ended		9 Months Ended
	Jun. 24, 2021	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Related Party Transaction [Line Items]
Total revenues		$ 482,694,000	$ 416,567,000	$ 1,508,641,000	$ 1,358,787,000
Related Party | Cantor
Related Party Transaction [Line Items]
Total revenues			$ 0	$ 0
Fees payable		$ 0			$ 0
Related Party | Cantor
Related Party Transaction [Line Items]
Percentage of revenue shared between related parties	80.00%
Revenue sharing agreement, term	12 months

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