Regulatory Capital Requirements (Tables)

3 Months Ended

Mar. 31, 2013

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
	March 31, 2013
	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	$	1,090,864	23.3	%		$	375,003	8.0	%		$	468,754	10.0	%
Tier I capital to risk-weighted assets		1,081,298	23.1				187,502	4.0				281,252	6.0
Tier I capital to adjusted average total assets		1,081,298	16.3				265,874	4.0				332,343	5.0

	Stifel Bank - Federal Reserve Capital Amounts
	March 31, 2013
	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	$	283,130	13.0	%		$	174,888	8.0	%		$	218,610	10.0	%
Tier I capital to risk-weighted assets		273,724	12.5				87,444	4.0				131,166	6.0
Tier I capital to adjusted average total assets		273,724	7.1				153,408	4.0				191,761	5.0