Parent Company - Statements of Financial Condition (Details) - USD ($) $ / shares in Units, $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Assets
Cash	$ 820,436	$ 981,580
Deferred tax assets	133,760	146,801
Other assets	303,720	303,916
Total assets	14,466,384	10,583,241
Liabilities
Accounts payable, accrued expenses and other liabilities	451,293	448,635
Tax receivable agreement obligations	216,480	238,758
Total liabilities	13,061,028	8,931,814
Virtu Financial Inc. Stockholders' equity
Treasury stock, at cost, 45,808,351 and 34,522,290 shares at December 31, 2023 and December 31, 2022, respectively	(1,166,299)	(954,637)
Additional paid-in capital	1,351,574	1,292,613
Retained earnings (accumulated deficit)	1,000,403	972,317
Accumulated other comprehensive income (loss)	17,047	31,604
Total Virtu Financial Inc. stockholders' equity	1,202,727	1,341,899
Total liabilities and stockholders' equity	$ 14,466,384	$ 10,583,241
Treasury stock, shares (in shares)	45,808,351	34,522,290
Related Party
Liabilities
Payable to affiliate	$ 1,500
Class A
Virtu Financial Inc. Stockholders' equity
Common stock	$ 1	$ 1
Common stock, par value (in dollars per share)	$ 0.00001	$ 0.00001
Common stock, shares authorized (in shares)	1,000,000,000	1,000,000,000
Common stock, shares issued (in shares)	134,901,037	133,071,754
Common stock, shares outstanding (in shares)	89,092,686	98,549,464
Class B common stock
Virtu Financial Inc. Stockholders' equity
Common stock	$ 0	$ 0
Common stock, par value (in dollars per share)	$ 0.00001	$ 0.00001
Common stock, shares authorized (in shares)	175,000,000	175,000,000
Common stock, shares issued (in shares)	0	0
Common stock, shares outstanding (in shares)	0	0
Class C common stock
Virtu Financial Inc. Stockholders' equity
Common stock	$ 0	$ 0
Common stock, par value (in dollars per share)	$ 0.00001	$ 0.00001
Common stock, shares authorized (in shares)	90,000,000	90,000,000
Common stock, shares issued (in shares)	8,607,998	9,030,066
Common stock, shares outstanding (in shares)	8,607,998	9,030,066
Class D common stock
Virtu Financial Inc. Stockholders' equity
Common stock	$ 1	$ 1
Common stock, par value (in dollars per share)	$ 0.00001	$ 0.00001
Common stock, shares authorized (in shares)	175,000,000	175,000,000
Common stock, shares issued (in shares)	60,091,740	60,091,740
Common stock, shares outstanding (in shares)	60,091,740	60,091,740
VFH
Assets
Cash	$ 27,981	$ 6,264
Deferred tax assets	130,344	139,139
Investment in subsidiary	2,955,137	3,119,418
Other assets	49,964	52,153
Total assets	3,163,426	3,316,974
Liabilities
Accounts payable, accrued expenses and other liabilities	3,928	888
Deferred tax liabilities	2,000	2,000
Tax receivable agreement obligations	216,480	238,758
Total liabilities	1,960,699	1,975,075
Virtu Financial Inc. Stockholders' equity
Treasury stock, at cost, 45,808,351 and 34,522,290 shares at December 31, 2023 and December 31, 2022, respectively	(1,166,299)	(954,637)
Additional paid-in capital	1,351,574	1,292,613
Retained earnings (accumulated deficit)	1,000,403	972,317
Accumulated other comprehensive income (loss)	17,047	31,604
Total Virtu Financial Inc. stockholders' equity	1,202,727	1,341,899
Total liabilities and stockholders' equity	$ 3,163,426	$ 3,316,974
Treasury stock, shares (in shares)	45,808,351	34,522,290
VFH | Related Party
Liabilities
Payable to affiliate	$ 1,738,291	$ 1,733,429
VFH | Class A
Virtu Financial Inc. Stockholders' equity
Common stock	$ 1	$ 1
Common stock, par value (in dollars per share)	$ 0.00001	$ 0.00001
Common stock, shares authorized (in shares)	1,000,000,000	1,000,000,000
Common stock, shares issued (in shares)	134,901,037	133,071,754
Common stock, shares outstanding (in shares)	89,092,686	98,549,464
VFH | Class B common stock
Virtu Financial Inc. Stockholders' equity
Common stock	$ 0	$ 0
Common stock, par value (in dollars per share)	$ 0.00001	$ 0.00001
Common stock, shares authorized (in shares)	175,000,000	175,000,000
Common stock, shares issued (in shares)	0	0
Common stock, shares outstanding (in shares)	0	0
VFH | Class C common stock
Virtu Financial Inc. Stockholders' equity
Common stock	$ 0	$ 0
Common stock, par value (in dollars per share)	$ 0.00001	$ 0.00001
Common stock, shares authorized (in shares)	90,000,000	90,000,000
Common stock, shares issued (in shares)	8,607,998	9,030,066
Common stock, shares outstanding (in shares)	8,607,998	9,030,066
VFH | Class D common stock
Virtu Financial Inc. Stockholders' equity
Common stock	$ 1	$ 1
Common stock, par value (in dollars per share)	$ 0.00001	$ 0.00001
Common stock, shares authorized (in shares)	175,000,000	175,000,000
Common stock, shares issued (in shares)	60,091,740	60,091,740
Common stock, shares outstanding (in shares)	60,091,740	60,091,740