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v3.23.2

Subsequent Events (Detail) - USD ($) |  |  |  |  | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 01, 2023 | Jul. 11, 2023 | Jul. 10, 2023 | Jul. 01, 2023 | Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | May 25, 2023 | Dec. 31, 2022 | Jul. 24, 2018
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Dividends declared per share of common stock (in dollars per share) |  |  |  |  | $ 0.01 | $ 0.01 | $ 0.02 | $ 0.02 |  |  |
Restricted Stock Units |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share-based payment arrangement, decrease for tax withholding obligation |  |  |  |  | $ 49,200,000 |  |  |  |  |  |
Aggregate estimated grant date fair value |  |  |  |  |  |  | $ 16,267,000 |  |  |  |
Corporate conversion, exchange ratio (in shares) |  |  |  |  | 1 |  | 1 |  |  |  |
Class A Common Stock |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock, par value (in dollars per share) |  |  |  |  | $ 0.01 |  | $ 0.01 |  |  | $ 0.01 |
Common stock, issued during the period (in shares) |  |  |  |  | 166,280 |  | 179,583 |  |  |  |
Common stock, shares authorized (in shares) |  |  |  |  | 750,000,000 |  | 750,000,000 |  |  | 750,000,000 |
Class B Common Stock |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock, par value (in dollars per share) |  |  |  |  | $ 0.01 |  | $ 0.01 |  |  | $ 0.01 |
Common stock, issued during the period (in shares) |  |  |  |  | 0 | 0 | 0 | 0 |  |  |
Common stock, shares authorized (in shares) |  |  |  |  | 150,000,000 |  | 150,000,000 |  |  | 150,000,000 |
5.375% Senior Notes due July 24, 2023 |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  | 5.375% |  | 5.375% |  |  |  | 5.375%
Principal amount of debt component |  |  |  |  | $ 449,900,000 |  | $ 449,900,000 |  |  |  | $ 450,000,000
8.000% Senior Notes due May 25, 2028 |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  | 8.00% |  | 8.00% |  | 8.00% |  |
Principal amount of debt component |  |  |  |  |  |  |  |  | $ 350,000,000 |  |
Subsequent event |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Dividends declared per share of common stock (in dollars per share) | $ 0.01 |  |  |  |  |  |  |  |  |  |
Minimum number of shares required to be issued (in shares) |  |  |  | 75,000,000 |  |  |  |  |  |  |
Period for minimum number of shares to be issued |  |  |  | 7 years |  |  |  |  |  |  |
Conversion of stock, shares converted (in shares) |  |  |  | 64,000,000 |  |  |  |  |  |  |
Subsequent event | Stock Purchased On 6/30/2023 |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Conversion of stock, shares converted (in shares) |  |  |  | 5,700,000 |  |  |  |  |  |  |
Subsequent event | The Company Equity Securities |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Shares authorized to be repurchased (in shares) |  |  |  | 400,000,000 |  |  |  |  |  |  |
Subsequent event | The Company Debt Securities |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Shares authorized to be repurchased (in shares) |  |  |  | 50,000,000 |  |  |  |  |  |  |
Subsequent event | Restricted Stock Units |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share-based payment arrangement, decrease for tax withholding obligation |  |  |  | $ 123,100,000 |  |  |  |  |  |  |
Aggregate estimated grant date fair value |  | $ 3,986,600 |  |  |  |  |  |  |  |  |
Shares granted in period (in shares) |  |  |  | 25,300,000 |  |  |  |  |  |  |
Subsequent event | Restricted Stock Units | Mr. Windeatt |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Vested in period (in shares) |  |  | 720,509 |  |  |  |  |  |  |  |
Share-based payment arrangement, decrease for tax withholding obligation |  |  | $ 780,333 |  |  |  |  |  |  |  |
Subsequent event | Restricted Shares | Maximum |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Shares granted in period (in shares) |  |  |  | 38,600,000 |  |  |  |  |  |  |
Subsequent event | Class A Common Stock |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share price (in dollars per share) |  |  | $ 4.45 |  |  |  |  |  |  |  |
Shares granted in period (in shares) |  |  |  | 600,000,000 |  |  |  |  |  |  |
Common stock, shares authorized (in shares) |  |  |  | 1,500,000,000 |  |  |  |  |  |  |
Subsequent event | Class A Common Stock | BGC Parnters |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock, par value (in dollars per share) |  |  |  | $ 0.01 |  |  |  |  |  |  |
Subsequent event | Class A Common Stock | BGC Group |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock, par value (in dollars per share) |  |  |  | $ 0.01 |  |  |  |  |  |  |
Corporate conversion, exchange ratio (in shares) |  |  |  | 1 |  |  |  |  |  |  |
Subsequent event | Class B Common Stock |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock, issued during the period (in shares) |  |  |  | 64,000,000 |  |  |  |  |  |  |
Common stock, shares authorized (in shares) |  |  |  | 300,000,000 |  |  |  |  |  |  |
Subsequent event | Class B Common Stock | BGC Parnters |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock, par value (in dollars per share) |  |  |  | $ 0.01 |  |  |  |  |  |  |
Subsequent event | Class B Common Stock | BGC Group |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock, par value (in dollars per share) |  |  |  | $ 0.01 |  |  |  |  |  |  |
Corporate conversion, exchange ratio (in shares) |  |  |  | 1 |  |  |  |  |  |  |

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