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Equity and Equity-Based Compensation - Narrative (Details) - USD ($) |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 13 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 09, 2021 | May 31, 2022 | Mar. 31, 2022 | Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Apr. 11, 2022 | Apr. 06, 2022
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Dividends declared - common stock |  |  |  |  |  | $ 0 | $ 0 |  |  |
Issuance of common stock, net |  |  |  |  | $ 176,972,000 |  | $ 548,281,000 |  |  |
Authorized amount |  |  |  |  |  |  |  |  |  | $ 200,000,000
Stock repurchased (in shares) |  |  |  | 0 | 0 | 0 | 0 |  |  |
Common Stock |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock issued (in shares) |  |  |  |  | 9,297,000 |  | 19,009,000 |  |  |
Issuance of common stock, net |  |  |  |  | $ 93,000 |  | $ 190,000 |  |  |
Common Stock | Director |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock issued (in shares) |  | 16,000 |  |  |  |  |  |  |  |
Issuance of common stock, net |  | $ 90,000 |  |  |  |  |  |  |  |
Performance stock units |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Vesting period (in years) |  |  | 3 years |  |  | 3 years |  |  |  |
Granted (in shares) |  |  | 34,000 |  |  |  |  |  |  |
Fair value of units granted |  |  | $ 344,000 | $ 194,000 |  |  |  |  |  |
Performance stock units | Minimum |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Performance adjustment range (as a percent) |  |  |  | 0.00% |  | 0.00% |  | 0.00% |  |
Performance stock units | Maximum |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Performance adjustment range (as a percent) |  |  |  | 200.00% |  | 200.00% |  | 200.00% |  |
2019 and 2020 Grants | Performance stock units | Minimum |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Performance adjustment range (as a percent) |  |  |  | 0.00% |  | 0.00% |  | 0.00% |  |
2019 and 2020 Grants | Performance stock units | Maximum |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Performance adjustment range (as a percent) |  |  |  | 200.00% |  | 200.00% |  | 200.00% |  |
2021 and 2022 Grants | Performance stock units | Minimum |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Performance adjustment range (as a percent) |  |  |  | 0.00% |  | 0.00% |  | 0.00% |  |
Performance adjustment range on initial calculation (as a percent) |  |  |  | 75.00% |  | 75.00% |  | 75.00% |  |
2021 and 2022 Grants | Performance stock units | Maximum |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Performance adjustment range (as a percent) |  |  |  | 250.00% |  | 250.00% |  | 250.00% |  |
Performance adjustment range on initial calculation (as a percent) |  |  |  | 125.00% |  | 125.00% |  | 125.00% |  |
At-The-Market Equity Distribution | Common Stock |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Commission percentage |  |  |  |  |  |  |  |  | 1.00% |
M3A LP | Private Placement |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Shares authorized (in shares) | 6,000,000 |  |  |  |  |  |  |  |  |
Shares issued (in shares) |  |  |  |  |  |  |  | 900,000 |  |
Virtu Americas LLC | At-The-Market Equity Distribution |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Aggregate offering price |  |  |  |  |  |  |  |  | $ 100,000,000 |

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