Regulatory Capital Requirements (Tables)

12 Months Ended

Dec. 31, 2012

Regulatory Capital Requirements [Abstract]

Schedule Of Total Risk-Based, Tier 1 Risk-Based, And Tier 1 Leverage Ratios

	Stifel Financial Corp. - Federal Reserve Capital Amounts
	December 31, 2012
	Actual				For Capital Adequacy Purposes				To Be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio		Amount		Ratio		Amount		Ratio
Total capital to risk-weighted assets	$	1,073,676	27.0	%	$	317,804	8.0	%	$	397,255	10.0	%
Tier I capital to risk-weighted assets		1,065,531	26.8			158,902	4.0			238,353	6.0
Tier I capital to adjusted average total assets		1,065,531	17.7			241,210	4.0			301,513	5.0

	Stifel Bank - Federal Reserve Capital Amounts
	December 31, 2012
	Actual				For Capital Adequacy Purposes				To Be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio		Amount		Ratio		Amount		Ratio
Total capital to risk-weighted assets	$	256,352	12.0	%	$	171,471	8.0	%	$	214,339	10.0	%
Tier I capital to risk-weighted assets		248,207	11.6			85,736	4.0			128,603	6.0
Tier I capital to adjusted average total assets		248,207	7.3			136,257	4.0			170,322	5.0