CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Assets
Cash and cash equivalents	$ 32,688	$ 36,672
Cash and securities segregated for regulatory and other purposes	2,000	9,612
Securities purchased under agreements to resell	2,984,884	1,523,227
Receivables from:
Brokers, dealers and clearing organizations	89,834	58,776
Related parties	1,337	1,337
Others	15,364	16,161
Financial instruments owned, at fair value (includes financial instruments pledged of $1,456,154 and $1,553,610 at March 31, 2012 and December 31, 2011, respectively)	1,457,273	1,554,660
Investments	18,440	18,310
Office equipment and leasehold improvements, net	6,608	6,735
Goodwill	21,096	21,096
Intangible assets	4,187	4,311
Income taxes receivable	9,094	12,102
Deferred tax assets, net	27,193	30,766
Other assets	9,843	9,791
Total Assets	4,679,841	3,303,556
Payables to:
Brokers, dealers and clearing organizations	1,054,028	1,108,664
Related parties	4,956	4,939
Others	3,773	3,243
Securities sold under agreements to repurchase	2,979,606	1,478,081
Securities sold, but not yet purchased, at fair value	233,499	184,996
Secured borrowings	117,195	213,611
Accrued compensation	10,596	26,274
Accounts payable and accrued expenses	13,562	18,223
Income taxes payable	4,082	3,979
Deferred tax liabilities	1,746	1,622
Subordinated debt	801	801
Total Liabilities	4,423,844	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 127,072,570 and 120,883,601 shares, at March 31, 2012 and December 31, 2011, respectively	1,337	1,337
Additional paid-in capital	455,540	463,497
Deferred compensation	161	161
Accumulated deficit	(190,571)	(185,887)
Treasury stock, at cost (6,696,649 shares and 12,831,185 shares, at March 31, 2012 and December 31, 2011, respectively)	(10,470)	(19,985)
Total Stockholders' Equity	255,997	259,123
Total Liabilities and Stockholders' Equity	$ 4,679,841	$ 3,303,556