Regulatory Requirement - Regulatory Capital and Capital Requirements (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Virtu Americas LLC
Public Utilities, General Disclosures [Line Items]
Regulatory Capital	$ 450,843	$ 455,678
Regulatory Capital Requirement	3,414	1,532
Excess Regulatory Capital	447,429	454,146
RFQ-hub Americas LLC
Public Utilities, General Disclosures [Line Items]
Regulatory Capital		602
Regulatory Capital Requirement		9
Excess Regulatory Capital		593
Virtu Canada Corp \| Canada
Public Utilities, General Disclosures [Line Items]
Regulatory Capital	12,032
Regulatory Capital Requirement	180
Excess Regulatory Capital	11,852
Virtu Canada Corp \| Canada
Public Utilities, General Disclosures [Line Items]
Regulatory Capital		12,327
Regulatory Capital Requirement		174
Excess Regulatory Capital		12,153
Virtu Financial Canada ULC \| Canada
Public Utilities, General Disclosures [Line Items]
Regulatory Capital		0
Regulatory Capital Requirement		0
Excess Regulatory Capital		0
Virtu Europe Trading Limited \| Ireland
Public Utilities, General Disclosures [Line Items]
Regulatory Capital	86,795	57,834
Regulatory Capital Requirement	28,228	26,359
Excess Regulatory Capital	58,567	31,475
Virtu Financial Ireland Limited \| Ireland
Public Utilities, General Disclosures [Line Items]
Regulatory Capital	122,288	76,457
Regulatory Capital Requirement	59,995	29,764
Excess Regulatory Capital	62,293	46,693
Virtu ITG UK Limited \| United Kingdom
Public Utilities, General Disclosures [Line Items]
Regulatory Capital	2,214	2,043
Regulatory Capital Requirement	1,008	939
Excess Regulatory Capital	1,206	1,104
Virtu ITG Australia Limited \| Asia Pacific
Public Utilities, General Disclosures [Line Items]
Regulatory Capital	32,741	24,928
Regulatory Capital Requirement	15,776	9,550
Excess Regulatory Capital	16,965	15,378
Virtu ITG Hong Kong Limited \| Asia Pacific
Public Utilities, General Disclosures [Line Items]
Regulatory Capital	7,485	5,392
Regulatory Capital Requirement	522	426
Excess Regulatory Capital	6,963	4,966
Virtu ITG Singapore Pte Limited \| Asia Pacific
Public Utilities, General Disclosures [Line Items]
Regulatory Capital	800	1,120
Regulatory Capital Requirement	174	166
Excess Regulatory Capital	626	954
Virtu Financial Singapore Pte. Ltd. \| Asia Pacific
Public Utilities, General Disclosures [Line Items]
Regulatory Capital	267,538	219,817
Regulatory Capital Requirement	199,826	136,891
Excess Regulatory Capital	$ 67,712	$ 82,926

Amount of net capital in excess of minimum required net capital, calculated under Aggregate Indebtedness Standard.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Rule 15c3-1
-Number 240
-Section 15c3-1
-Publisher SEC

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Minimum amount of net capital required to be maintained by broker-dealer and its subsidiary, calculated under Aggregate Indebtedness Standard.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Rule 15c3-1
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-Publisher SEC

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Amount of net capital of broker-dealer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Rule 15c3-1
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-Publisher SEC

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