Regulatory Capital Requirements (Tables)

9 Months Ended

Sep. 30, 2017

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, 2017
	Actual					For Capital Adequacy Purposes					To Be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio
Common equity tier 1 capital	$	1,760,021		18.3	%	$	432,769		4.5	%	$	625,111		6.5	%
Tier 1 capital		1,969,702		20.5	%		577,026		6.0	%		769,368		8.0	%
Total capital		2,031,937		21.1	%		769,368		8.0	%		961,710		10.0	%
Tier 1 leverage		1,969,702		10.4	%		754,009		4.0	%		942,511		5.0	%

Stifel Bank – Federal Reserve Capital Amounts
September 30, 2017
	Actual					For Capital Adequacy Purposes					To Be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio
Common equity tier 1 capital	$	1,007,303		14.4	%	$	314,873		4.5	%	$	454,817		6.5	%
Tier 1 capital		1,007,303		14.4	%		419,831		6.0	%		559,774		8.0	%
Total capital		1,070,198		15.3	%		559,774		8.0	%		699,718		10.0	%
Tier 1 leverage		1,007,303		7.1	%		567,587		4.0	%		709,484		5.0	%