Consolidated Statements of Financial Condition (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012		Dec. 31, 2011
Assets
Cash and cash-equivalents	$ 458,191		$ 297,230
U.S. Treasury and government agency securities	370,614		381,697
Corporate investments, at equity	98,950	[1]	121,825	[1]
Due from affiliates	44,589		31,826
Deferred tax assets	159,171		68,438
Deferred tax assets	163,690		72,986
Investments, at fair value	38,372,626		38,614,226
Other assets	127,244		110,181
Total assets	43,869,998	[2]	44,294,156	[2]
Liabilities:
Accrued compensation expense	118,921		185,597
Accounts payable, other accrued expenses and other liabilities	95,390		63,108
Due to affiliates	136,165		57,574
Debt obligations	615,179		652,143
Securities sold short, at fair value	126,530		213,727
Total liabilities	2,805,274		2,121,549
Commitments and contingencies
Non-controlling redeemable interests in consolidated funds	39,670,831		41,048,607
Unitholders' capital:
Paid-in capital	645,053		634,739
Accumulated deficit	(336,903)		(444,713)
Accumulated other comprehensive loss	(1,748)		(1,884)
Class A unitholders’ capital	306,402		188,142
OCGH non-controlling interest in consolidated subsidiaries	1,087,491		935,858
Total unitholders’ capital	1,393,893		1,124,000
Total liabilities and unitholders’ capital	43,869,998		44,294,156
Class A Units [Member]
Unitholders' capital:
Common stock; Class A units, no par value, unlimited units authorized, 30,180,933 and 22,664,100; Class B units, no par value, unlimited units authorized, 120,267,503 and 125,847,115; Class C units, no par value, unlimited units authorized, 0 and 13,000 units issued and outstanding at December 31, 2012 and 2011, respectively	0		0
Class B Units [Member]
Unitholders' capital:
Common stock; Class A units, no par value, unlimited units authorized, 30,180,933 and 22,664,100; Class B units, no par value, unlimited units authorized, 120,267,503 and 125,847,115; Class C units, no par value, unlimited units authorized, 0 and 13,000 units issued and outstanding at December 31, 2012 and 2011, respectively	0		0
Class C Units [Member]
Unitholders' capital:
Common stock; Class A units, no par value, unlimited units authorized, 30,180,933 and 22,664,100; Class B units, no par value, unlimited units authorized, 120,267,503 and 125,847,115; Class C units, no par value, unlimited units authorized, 0 and 13,000 units issued and outstanding at December 31, 2012 and 2011, respectively	0		0
Consolidated funds [Member]
Assets
Cash and cash-equivalents	2,470,335		3,208,429
Investments, at fair value	38,372,626		38,614,226
Dividends and interest receivable	177,746		268,162
Due from brokers.	405,143		903,685
Receivable for securities sold	501,199		59,678
Derivative assets, at fair value	107,560		115,980
Other assets	576,630		108,251
Liabilities:
Accounts payable, other accrued expenses and other liabilities	104,744		52,600
Payables for securities purchased	629,627		398,714
Securities sold short, at fair value	126,530		213,727
Derivative liabilities, at fair value	156,647		68,414
Distributions payable	330,446		379,555
Borrowings under credit facilities	$ 491,625		$ 50,117

[1] The adjustment to corporate investments is to remove from segment assets the consolidated funds that are treated as equity method investments for segment reporting purposes.

[2] The total assets adjustment represents the inclusion of investments and other assets of the consolidated funds, net of segment assets eliminated in consolidation, which are primarily corporate investments in funds and incentive income receivable.