The amount of indemnification assets (amounts to be reimbursed if and when certain assumed liabilities are paid) recognized at the acquisition date of a business combination.

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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479907/805-20-50-1

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Period Type:	instant

- Definition

For indemnification assets recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the indemnification benefit which may be realized.

+ References

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Period Type:	instant

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 30
-Name Accounting Standards Codification
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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
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- Details

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Related Party Transactions - Purchases of Futures Exchange Group (Details) - Futures Exchange Group - USD ($) $ in Millions	Jul. 30, 2021	Dec. 31, 2023	Dec. 31, 2022
Related Party Transaction [Line Items]
Payments to acquire businesses	$ 4.9
Related Party
Related Party Transaction [Line Items]
Business combination, indemnified expenses (up to)	$ 1.0
Indemnification assets		$ 1.0	$ 1.0