Regulatory Capital Requirements (Tables)

12 Months Ended

Dec. 31, 2022

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 December 31, 2022, 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	$	3,363,138		14.6	%	$	1,036,211		4.5	%	$	1,496,749		6.5	%
Tier 1 capital		4,048,138		17.6	%		1,381,614		6.0	%		1,842,152		8.0	%
Total capital		4,245,284		18.4	%		1,842,152		8.0	%		2,302,690		10.0	%
Tier 1 leverage		4,048,138		11.1	%		1,459,174		4.0	%		1,823,967		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	$	1,620,995		11.0	%	$	660,645		4.5	%	$	954,265		6.5	%
Tier 1 capital		1,620,995		11.0	%		880,860		6.0	%		1,174,480		8.0	%
Total capital		1,744,013		11.9	%		1,174,480		8.0	%		1,468,100		10.0	%
Tier 1 leverage		1,620,995		7.2	%		905,553		4.0	%		1,131,941		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	$	468,437		11.1	%	$	190,319		4.5	%	$	274,906		6.5	%
Tier 1 capital		468,437		11.1	%		253,759		6.0	%		338,345		8.0	%
Total capital		489,905		11.6	%		338,345		8.0	%		422,932		10.0	%
Tier 1 leverage		468,437		7.1	%		265,162		4.0	%		331,452		5.0	%