Regulatory Capital Requirements (Tables)

9 Months Ended

Sep. 30, 2020

Regulatory Capital Requirements [Abstract]

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

	Actual					For Capital Adequacy Purposes					To Be Well Capitalized Under Prompt Corrective Action Provisions
Stifel Financial Corp.	Amount		Ratio			Amount		Ratio			Amount		Ratio
Common equity tier 1 capital	$	2,197,654		15.4	%	$	640,212		4.5	%	$	924,750		6.5	%
Tier 1 capital		2,732,654		19.2	%		853,616		6.0	%		1,138,154		8.0	%
Total capital		2,888,681		20.3	%		1,138,154		8.0	%		1,422,693		10.0	%
Tier 1 leverage		2,732,654		11.3	%		971,609		4.0	%		1,214,512		5.0	%

	Actual					For Capital Adequacy Purposes					To Be Well Capitalized Under Prompt Corrective Action Provisions
Stifel Bank & Trust	Amount		Ratio			Amount		Ratio			Amount		Ratio
Common equity tier 1 capital	$	1,034,480		11.7	%	$	397,280		4.5	%	$	573,849		6.5	%
Tier 1 capital		1,034,480		11.7	%		529,707		6.0	%		706,276		8.0	%
Total capital		1,144,843		13.0	%		706,276		8.0	%		882,845		10.0	%
Tier 1 leverage		1,034,480		7.2	%		578,347		4.0	%		722,934		5.0	%

	Actual					For Capital Adequacy Purposes					To Be Well Capitalized Under Prompt Corrective Action Provisions
Stifel Bank	Amount		Ratio			Amount		Ratio			Amount		Ratio
Common equity tier 1 capital	$	201,106		18.0	%	$	50,266		4.5	%	$	72,606		6.5	%
Tier 1 capital		201,106		18.0	%		67,021		6.0	%		89,361		8.0	%
Total capital		215,097		19.3	%		89,361		8.0	%		111,701		10.0	%
Tier 1 leverage		201,106		7.3	%		110,807		4.0	%		138,508		5.0	%