Regulatory Capital Requirements (Tables)

12 Months Ended

Dec. 31, 2021

Regulatory Capital Requirements [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 December 31, 2021, 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	$	2,938,954		15.2	%	$	871,484		4.5	%	$	1,258,811		6.5	%
Tier 1 capital		3,623,954		18.7	%		1,161,979		6.0	%		1,549,306		8.0	%
Total capital		3,788,860		19.6	%		1,549,306		8.0	%		1,936,632		10.0	%
Tier 1 leverage		3,623,954		11.7	%		1,237,181		4.0	%		1,546,477		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	$	1,274,994		10.6	%	$	540,060		4.5	%	$	780,086		6.5	%
Tier 1 capital		1,274,994		10.6	%		720,080		6.0	%		960,106		8.0	%
Total capital		1,380,984		11.5	%		960,106		8.0	%		1,200,133		10.0	%
Tier 1 leverage		1,274,994		7.1	%		720,241		4.0	%		900,301		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	$	302,231		13.8	%	$	98,875		4.5	%	$	142,819		6.5	%
Tier 1 capital		302,231		13.8	%		131,833		6.0	%		175,777		8.0	%
Total capital		310,902		14.1	%		175,777		8.0	%		219,722		10.0	%
Tier 1 leverage		302,231		7.1	%		171,158		4.0	%		213,947		5.0	%