Regulatory Capital Requirements (Tables)

3 Months Ended

Mar. 31, 2024

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 March 31, 2024 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	$	3,225,964		14.3	%	$	1,016,475		4.5	%	$	1,468,241		6.5	%
Tier 1 capital		3,910,964		17.3	%		1,355,300		6.0	%		1,807,066		8.0	%
Total capital		4,130,093		18.3	%		1,807,066		8.0	%		2,258,833		10.0	%
Tier 1 leverage		3,910,964		10.6	%		1,480,733		4.0	%		1,850,917		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	$	1,242,565		10.8	%	$	517,604		4.5	%	$	747,650		6.5	%
Tier 1 capital		1,242,565		10.8	%		690,139		6.0	%		920,185		8.0	%
Total capital		1,367,153		11.9	%		920,185		8.0	%		1,150,231		10.0	%
Tier 1 leverage		1,242,565		7.1	%		700,273		4.0	%		875,342		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	$	838,002		14.8	%	$	254,868		4.5	%	$	368,142		6.5	%
Tier 1 capital		838,002		14.8	%		339,824		6.0	%		453,098		8.0	%
Total capital		876,227		15.5	%		453,098		8.0	%		566,373		10.0	%
Tier 1 leverage		838,002		7.2	%		467,975		4.0	%		584,969		5.0	%