Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Cash flows from operating activities
Net Income	$ 158,340	$ 197,490	$ 190,057
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	29,703	33,629	30,441
Amortization of purchased intangibles and acquired capitalized software	211	211	211
Debt issue cost related to debt refinancing	5,579
Amortization of debt issuance costs and deferred financing fees	1,690	1,755	1,334
Termination of office leases		1,380
Share based compensation	22,866	61,878	14,234
Reserve for legal matter		5,440
Equipment writeoff	428	559	378
Deferred taxes	13,313	3,985
Other	(1,070)	219	(2,204)
Changes in operating assets and liabilities:
Securities borrowed	233,291	31,638	223,169
Securities purchased under agreements to resell	14,981	16,482	131,145
Receivables from broker dealers and clearing organizations	27,808	(88,884)	40,089
Trading assets, at fair value	(530,668)	247,094	259,105
Other Assets	772	(5,796)	2,751
Securities loaned	(302,400)	26,741	(531,450)
Securities sold under agreements to repurchase		(2,006)	(8,877)
Payables to broker dealers and clearing organizations	209,374	(199,599)	155,974
Trading liabilities, at fair value	370,065	(58,544)	(240,778)
Accounts payable and accrued expenses and other liabilities	(14,684)	(13,392)	7,120
Net cash provided by operating activities	239,599	260,280	272,699
Cash flows from investing activities
Development of capitalized software	(8,404)	(8,028)	(8,039)
Acquisition of property and equipment	(11,859)	(16,271)	(28,120)
Investment in SBI Japannext described in Note 9	(38,754)
Net cash used in investing activities	(59,017)	(24,299)	(36,159)
Cash flows from financing activities
Distribution to members		(130,000)	(140,652)
Distribution from Virtu Financial to non-controlling interest	(162,969)	(81,377)
Dividends	(37,759)	(17,362)
Short-term borrowings, net	(20,000)	45,000	(72,800)
Issuance of Common Stock, net of offering costs		327,366
Purchase of treasury stock	(4,539)	(3,819)
Proceeds from long-term borrowings	75,753
Repayment of senior secured credit facility	(3,825)	(2,914)	(7,286)
Debt issuance costs	(5,094)	(976)
Repurchase of Virtu Financial Units and corresponding number of Class A and C Common Stock	(98)	(277,153)
Issuance of common stock, net of offering costs	16,677	7,782
Repurchase of Virtu Financial Units and corresponding number of Class A and C common stock in connection with IPO	(17,383)	(8,805)
Net cash used in financing activities	(161,237)	(144,355)	(221,654)
Effect of exchange rate changes on Cash and cash equivalents	(1,165)	(4,255)	(5,032)
Net (decrease) increase in Cash and cash equivalents	18,180	87,371	9,854
Cash and cash equivalents, beginning of period	163,235	75,864	66,010
Cash and cash equivalents, end of period	181,415	163,235	75,864
Supplementary disclosure of cash flow information
Cash paid for interest	54,872	63,230	61,293
Cash paid for taxes	16,175	12,875	3,764
Non-cash investing activities
Share based compensation of developers relating to software capitalized	2,750	11,278	$ 1,719
Non-cash financing activities
Tax receivable agreement described in Note 4	(545)	$ 21,854
Discount on issuance of senior secured credit facility	$ 1,350