Consolidated Statements Of Financial Condition (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Assets
Cash and cash equivalents	$ 716,560
Restricted cash	4,268	4,414
Cash segregated for regulatory purposes	35	128,031
Receivables:
Brokerage clients, net	530,402	487,761
Brokers, dealers, and clearing organizations	381,122	276,224
Securities purchased under agreements to resell	225,075	158,695
Trading securities owned, at fair value	801,494	763,608
Available-for-sale securities, at fair value	1,756,253	1,625,168
Held-to-maturity securities, at amortized cost	1,312,115	708,008
Loans held for sale	109,110	214,531
Bank loans, net of allowance	1,404,353	815,937
Investments	217,228	236,434
Fixed assets, net	106,446	141,403
Goodwill	727,336	419,393
Intangible assets, net	49,889	28,967
Loans and advances to financial advisors and other employees, net	184,458	179,284
Deferred tax assets, net	243,554	124,576
Other assets	239,172	249,765
Total Assets	9,008,870	6,966,140
Liabilities and Shareholders' Equity
Short-term borrowings from banks	55,700	304,700
Payables:
Brokerage clients	318,942	295,509
Brokers, dealers, and clearing organizations	58,135	33,211
Drafts	74,710	90,433
Securities sold under agreements to repurchase	263,809	140,346
Bank deposits	4,663,323	3,346,133
Trading securities sold, but not yet purchased, at fair value	481,214	342,708
Accrued compensation	337,589	187,466
Accounts payable and accrued expenses	285,968	259,163
Senior notes	325,000	383,992
Debenture to Stifel Financial Capital Trust	82,500	82,500
Total Liabilities	6,946,890	5,466,161
Liabilities subordinated to claims of general creditors	3,131	5,318
Shareholders' Equity:
Preferred stock - $1 par value
Common stock - $0.15 par value	9,562	8,245
Additional paid-in-capital	1,544,143	1,100,137
Retained earnings	540,238	383,970
Accumulated other comprehensive loss	(35,030)	4,918
Total Stockholders' Equity	2,058,913	1,497,270
Treasury stock, at cost	(64)	(2,505)
Unearned employee stock ownership plan shares, at cost		(104)
Total Equity	2,058,849	1,494,661
Total Liabilities and Shareholders' Equity	9,008,870	6,966,140
Debenture to Stifel Financial Capital Trust II [Member]
Payables:
Debenture to Stifel Financial Capital Trust	$ 82,500	$ 82,500