Condensed Consolidated Statements of Financial Condition - USD ($) $ in Thousands		Dec. 31, 2016	Dec. 31, 2015
Assets
Cash and cash equivalents		$ 112,014	$ 158,485
Cash collateral pledged		13,342	10,085
Securities owned, at fair value		700,876	609,234
Receivable on derivative contracts, at fair value		22,901	39,618
Other investments		157,279	141,647
Receivable from brokers		87,837	117,757
Fees receivable, net of allowance		45,883	34,413
Due from related parties		39,629	39,659
Fixed assets, net of accumulated depreciation and amortization of $23,867 and $29,953, respectively		42,408	27,231
Goodwill		60,678	58,361
Intangible assets, net of accumulated amortization of $29,418 and $28,301, respectively		25,769	25,663
Deferred tax assets, net		165,656	143,560
Other assets		38,406	71,531
Consolidated Funds
Cash and cash equivalents		17,761	13,934
Securities owned, at fair value		79,237	32,000
Receivable on derivatives, Consolidated Funds		893	0
Other investments		401,465	263,818
Receivable from brokers, Consolidated Funds		5,978	0
Other assets		511	663
Total Assets		2,018,523	1,787,659
Liabilities
Securities sold, not yet purchased, at fair value		266,090	257,159
Payable for derivative contracts, at fair value		20,762	21,183
Payable to brokers		210,309	131,789
Compensation payable		98,084	150,403
Notes payable and other debt		77,030	68,565
Convertible debt	[1]	130,029	122,401
Fees payable		3,272	5,638
Due to related parties		573	329
Accounts payable, accrued expenses and other liabilities		51,115	52,233
Consolidated Funds
Securities sold, not yet purchased, Consolidated Funds		883	0
Payable for derivatives, Consolidated Funds		572	0
Payable to brokers, Consolidated Funds		3,700	0
Due to related parties		189	3
Contributions received in advance		2,000	850
Capital withdrawals payable		1,408	78
Accounts payable, accrued expenses and other liabilities		652	124
Total Liabilities		866,668	810,755
Commitments and Contingencies
Redeemable non-controlling interests		379,205	186,911
Stockholders' equity
Additional paid-in capital		928,646	903,429
(Accumulated deficit) retained earnings		(2,442)	23,627
Accumulated other comprehensive income (loss)		(2)	0
Less: Class A common stock held in treasury, at cost, 9,810,802 and 8,628,933 shares as of December 31, 2016 and 2015, respectively.		(153,845)	(137,356)
Total Stockholders' Equity		772,650	789,993
Total Liabilities and Stockholders' Equity		2,018,523	1,787,659
Convertible Preferred Stock
Stockholders' equity
Preferred stock		1	1
Common Stock Class A
Stockholders' equity
Common stock		292	292
Less: Class A common stock held in treasury, at cost, 9,810,802 and 8,628,933 shares as of December 31, 2016 and 2015, respectively.		(153,845)	(137,356)
Common Stock Class B
Stockholders' equity
Common stock		$ 0	$ 0

[1] The carrying amount of the convertible debt includes an unamortized discount of $17.8 million and $24.7 million as of December 31, 2016 and 2015.