Regulatory Capital Requirements (Tables)

6 Months Ended

Jun. 30, 2023

Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract]

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

The amounts and ratios for Stifel Financial Corp., Stifel Bank & Trust, and Stifel Bank as of June 30, 2023 are represented in the tables below (in thousands, except 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	$	3,314,189		14.3	%	$	1,042,407		4.5	%	$	1,505,699		6.5	%
Tier 1 capital		3,999,189		17.3	%		1,389,876		6.0	%		1,853,168		8.0	%
Total capital		4,211,564		18.2	%		1,853,168		8.0	%		2,316,460		10.0	%
Tier 1 leverage		3,999,189		11.1	%		1,441,620		4.0	%		1,802,026		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	$	1,513,202		10.8	%	$	628,546		4.5	%	$	907,899		6.5	%
Tier 1 capital		1,513,202		10.8	%		838,061		6.0	%		1,117,415		8.0	%
Total capital		1,640,892		11.7	%		1,117,415		8.0	%		1,396,768		10.0	%
Tier 1 leverage		1,513,202		7.5	%		802,647		4.0	%		1,003,309		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	$	639,967		12.4	%	$	231,568		4.5	%	$	334,487		6.5	%
Tier 1 capital		639,967		12.4	%		308,757		6.0	%		411,677		8.0	%
Total capital		670,164		13.0	%		411,677		8.0	%		514,596		10.0	%
Tier 1 leverage		639,967		7.1	%		361,055		4.0	%		451,319		5.0	%