Shares Acquired, Share-Based Payment Arrangement, Cost Per Share of Shares Withheld for Tax Withholding Obligation

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- Definition

Treasury stock acquired weighted average cost per share.

+ References

No definition available.

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Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement.

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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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- Definition

The cash outflow to reacquire common stock during the period.

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- Definition

Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

+ References

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- Definition

Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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No definition available.

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

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Stock Transactions and Unit Redemptions - Share Repurchases of Class A Common Stock (Details) - USD ($) $ / shares in Units, $ in Thousands				1 Months Ended						3 Months Ended						9 Months Ended
	May 19, 2025	May 16, 2025	Feb. 05, 2025	Sep. 30, 2025	Aug. 31, 2025	Jul. 31, 2025	Sep. 30, 2024	Aug. 31, 2024	Jul. 31, 2024	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024
Class of Stock [Line Items]
Total Number of Shares Repurchased (in shares)				2,225,000	2,014,000	0	1,046,000	4,807,000	2,040,000	4,239,000	17,224,000	3,184,000	7,893,000	10,688,000	11,250,000	24,647,000	29,831,000
Weighted-Average Price Paid per Share (in dollars per share)				$ 9.96	$ 9.80	$ 0	$ 9.65	$ 9.12	$ 8.59		$ 9.21	$ 9.36		$ 8.32	$ 7.11	$ 9.34	$ 8.06
Approximate Dollar Value of Shares That Could Be Repurchased Under the Program				$ 136,518			$ 121,173			$ 136,518			$ 121,173			$ 136,518	$ 121,173
Aggregate purchase price of Class A common stock																$ 213,549	$ 212,192
Shares withheld to satisfy tax liabilities (in shares)													900,000			1,800,000	3,600,000
Weighted-average price of shares withheld for tax liabilities (in dollars per share)													$ 8.48			$ 9.16	$ 7.98
Class A Common Stock
Class of Stock [Line Items]
Total Number of Shares Repurchased (in shares)										4,236,069			7,013,116			22,808,205	26,264,523
Approximate Dollar Value of Shares That Could Be Repurchased Under the Program				$ 136,500						$ 136,500						$ 136,500
Stock repurchased during period (in shares)										4,200,000			7,900,000			24,600,000	29,800,000
Aggregate purchase price of Class A common stock										$ 41,900			$ 71,500			$ 230,300	$ 240,400
Stock repurchased, weighted average price (in dollars per share)										$ 9.88			$ 9.05			$ 9.34	$ 8.06
Shares withheld to satisfy tax liabilities (in shares)			700,000
Share-based payment arrangement, decrease for tax withholding obligation										$ 10,100			$ 3,700			$ 31,000	$ 24,900
Class A Common Stock \| Mr. Howard W. Lutnick \| Nonrelated Party
Class of Stock [Line Items]
Total Number of Shares Repurchased (in shares)		16,100,000
Class A Common Stock \| Mr. Howard W. Lutnick \| Related Party
Class of Stock [Line Items]
Total Number of Shares Repurchased (in shares)	16,115,102	16,452,850
Stock repurchased, weighted average price (in dollars per share)		$ 9.2082
Restricted Shares
Class of Stock [Line Items]
Share-based payment arrangement, decrease for tax withholding obligation													$ 7,500			$ 16,800	$ 28,400