Regulatory Capital Requirements (Tables)

9 Months Ended

Sep. 30, 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 September 30, 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	$	3,474,276		15.0	%	$	1,043,246		4.5	%	$	1,506,911		6.5	%
Tier 1 capital		4,159,276		17.9	%		1,390,994		6.0	%		1,854,659		8.0	%
Total capital		4,377,743		18.9	%		1,854,659		8.0	%		2,318,324		10.0	%
Tier 1 leverage		4,159,276		11.3	%		1,472,539		4.0	%		1,840,674		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	$	1,306,476		10.7	%	$	549,600		4.5	%	$	793,866		6.5	%
Tier 1 capital		1,306,476		10.7	%		732,800		6.0	%		977,066		8.0	%
Total capital		1,429,156		11.7	%		977,066		8.0	%		1,221,333		10.0	%
Tier 1 leverage		1,306,476		7.1	%		735,906		4.0	%		919,883		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	$	758,397		13.6	%	$	251,615		4.5	%	$	363,444		6.5	%
Tier 1 capital		758,397		13.6	%		335,487		6.0	%		447,315		8.0	%
Total capital		799,189		14.3	%		447,315		8.0	%		559,144		10.0	%
Tier 1 leverage		758,397		7.1	%		428,036		4.0	%		535,045		5.0	%