Regulatory Capital Requirements (Tables)

9 Months Ended

Sep. 30, 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
	September 30, 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	$	1,046,286	26.0	%	$	322,504	8.0	%	$	403,129	10.0	%
Tier I capital to risk-weighted assets		1,039,892	25.8			161,252	4.0			241,878	6.0
Tier I capital to adjusted average total assets		1,039,892	20.0			207,957	4.0			259,947	5.0

	Stifel Bank - Federal Reserve Capital Amounts
	September 30, 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	$	234,543	11.8	%	$	158,496	8.0	%	$	198,120	10.0	%
Tier I capital to risk-weighted assets		228,149	11.5			79,248	4.0			118,872	6.0
Tier I capital to adjusted average total assets		228,149	7.3			125,607	4.0			157,009	5.0