Regulatory Capital Requirements (Tables)

3 Months Ended

Mar. 31, 2021

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	$	2,498,655		16.0	%	$	704,519		4.5	%	$	1,017,639		6.5	%
Tier 1 capital		3,033,655		19.4	%		939,359		6.0	%		1,252,479		8.0	%
Total capital		3,184,779		20.3	%		1,252,479		8.0	%		1,565,598		10.0	%
Tier 1 leverage		3,033,655		11.5	%		1,056,763		4.0	%		1,320,954		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	$	1,044,894		11.1	%	$	424,271		4.5	%	$	612,836		6.5	%
Tier 1 capital		1,044,894		11.1	%		565,694		6.0	%		754,259		8.0	%
Total capital		1,164,585		12.4	%		754,259		8.0	%		942,824		10.0	%
Tier 1 leverage		1,044,894		7.1	%		590,236		4.0	%		737,795		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	$	280,718		18.5	%	$	68,279		4.5	%	$	98,625		6.5	%
Tier 1 capital		280,718		18.5	%		91,039		6.0	%		121,385		8.0	%
Total capital		291,823		19.2	%		121,385		8.0	%		151,731		10.0	%
Tier 1 leverage		280,718		7.3	%		154,213		4.0	%		192,766		5.0	%