Regulatory Capital Requirements (Tables)

6 Months Ended

Jun. 30, 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	$	2,672,682		15.8	%	$	762,859		4.5	%	$	1,101,907		6.5	%
Tier 1 capital		3,207,682		18.9	%		1,017,145		6.0	%		1,356,193		8.0	%
Total capital		3,353,813		19.8	%		1,356,193		8.0	%		1,695,242		10.0	%
Tier 1 leverage		3,207,682		11.7	%		1,095,114		4.0	%		1,368,893		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	$	1,069,763		10.7	%	$	448,115		4.5	%	$	647,277		6.5	%
Tier 1 capital		1,069,763		10.7	%		597,486		6.0	%		796,648		8.0	%
Total capital		1,178,159		11.8	%		796,648		8.0	%		995,811		10.0	%
Tier 1 leverage		1,069,763		7.0	%		607,050		4.0	%		758,812		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	$	326,622		20.5	%	$	71,728		4.5	%	$	103,608		6.5	%
Tier 1 capital		326,622		20.5	%		95,638		6.0	%		127,517		8.0	%
Total capital		333,440		20.9	%		127,517		8.0	%		159,396		10.0	%
Tier 1 leverage		326,622		7.1	%		184,951		4.0	%		231,189		5.0	%