CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Assets
Cash and cash equivalents	$ 28,482	$ 36,672
Cash and securities segregated for regulatory and other purposes	4,000	9,612
Securities purchased under agreements to resell	132,608	1,523,227
Receivables from:
Brokers, dealers and clearing organizations	125,008	58,776
Related parties	1,372	1,337
Others	10,029	16,161
Financial instruments owned, at fair value (includes financial instruments pledged of $1,099,916 and $1,553,610 at September 30, 2012 and December 31, 2011, respectively)	1,100,731	1,554,660
Investments	19,253	18,310
Office equipment and leasehold improvements, net	5,726	6,735
Goodwill		21,096
Intangible assets	3,940	4,311
Income taxes receivable	4,807	12,102
Deferred tax assets, net	2,654	30,766
Other assets	9,106	9,791
Total Assets	1,447,716	3,303,556
Payables to:
Brokers, dealers and clearing organizations	791,172	1,108,664
Related parties	594	4,939
Others	2,804	3,243
Securities sold under agreements to repurchase	103,562	1,478,081
Securities sold, but not yet purchased, at fair value	262,274	184,996
Secured borrowings	66,575	213,611
Accrued compensation	17,203	26,274
Accounts payable and accrued expenses	10,750	18,223
Income taxes payable	3,804	3,979
Deferred tax liabilities		1,622
Subordinated debt	595	801
Total Liabilities	1,259,333	3,044,433
Commitments and Contingencies (Refer to Note 16)
Stockholders' Equity
Common stock; $.01 par value; authorized 200,000,000 shares, issued 133,769,219 and 133,714,786 shares; and outstanding 124,570,033 and 120,883,601 shares, at September 30, 2012 and December 31, 2011, respectively	1,337	1,337
Additional paid-in capital	451,850	463,497
Deferred compensation	124	161
Accumulated deficit	(254,172)	(185,887)
Treasury stock, at cost (9,199,186 shares and 12,831,185 shares, at September 30, 2012 and December 31, 2011, respectively)	(10,756)	(19,985)
Total Stockholders' Equity	188,383	259,123
Total Liabilities and Stockholders' Equity	$ 1,447,716	$ 3,303,556