Consolidated Statements of Financial Condition (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Assets
Restricted cash	$ 6,883	$ 7
Cash segregated for regulatory purposes	26	6
Receivables:
Brokerage clients, net	560,018	478
Brokers, dealers, and clearing organizations	252,636
Securities purchased under agreements to resell	75,455	124
Trading securities owned, at fair value (includes securities pledged of $300,249 and $272,172, respectively)	493,643	444
Available-for-sale securities, at fair value	1,214,141	1,013
Held-to-maturity securities, at amortized cost	190,484	53
Bank loans, net of allowance	632,140
Other real estate owned	708	2
Investments	220,516	179
Fixed assets, net	104,740
Goodwill	358,988
Intangible assets, net	33,863	35
Loans and advances to financial advisors and other employees, net	172,717	181
Deferred tax assets, net	177,803	197
Other assets	157,714	145
Total Assets	4,951,900
Liabilities and Shareholders' Equity
Short-term borrowings from banks	199,400	109,600
Payables:
Brokerage clients	245,886	212,642
Brokers, dealers, and clearing organizations	139,911	114,869
Drafts	75,901	73,248
Securities sold under agreements to repurchase	80,176	109,595
Bank deposits	2,071,738	1,623,568
Trading securities sold, but not yet purchased, at fair value	266,833	200,140
Accrued compensation	204,076	234,512
Accounts payable and accrued expenses	257,194	170,382
Other	19,223	19,935
Total Liabilities	3,642,838	2,950,991
Liabilities subordinated to claims of general creditors	6,957	8,241
Shareholders' Equity:
Exchangeable common stock - $0.15 par value; issued 172,672 and 897,618 shares, respectively	26	135
Common stock - $0.15 par value; authorized 97,000,000 shares; issued 53,546,813 and 52,822,428 shares, respectively	8,032	7,923
Additional paid-in-capital	1,078,743	1,082,788
Retained earnings	277,195	232,415
Total Stockholders' Equity	1,356,058	1,323,642
Treasury stock, at cost, 700,364 and 2,235,473 shares, respectively	(53,640)	(69,238)
Unearned employee stock ownership plan shares, at cost, 97,619 and 122,024 shares, respectively	(313)	(521)
Total Equity	1,302,105	1,253,883
Total Liabilities and Shareholders' Equity	$ 4,951,900	$ 4,213,115