Regulatory Capital Requirements (Tables)

12 Months Ended

Dec. 31, 2018

Regulatory Capital Requirements [Abstract]

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

Stifel Financial Corp. – Federal Reserve Capital Amounts

December 31, 2018

	Actual					For Capital Adequacy Purposes					To Be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio
Common equity tier 1 capital	$	1,939,938		16.8	%	$	520,718		4.5	%	$	752,148		6.5	%
Tier 1 capital		2,103,339		18.2	%		694,291		6.0	%		925,721		8.0	%
Total capital		2,247,937		19.4	%		925,721		8.0	%		1,157,152		10.0	%
Tier 1 leverage		2,103,339		9.3	%		904,735		4.0	%		1,130,919		5.0	%

Stifel Bank & Trust – Federal Reserve Capital Amounts

December 31, 2018

	Actual					For Capital Adequacy Purposes					To Be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio
Common equity tier 1 capital	$	1,163,514		14.4	%	$	363,956		4.5	%	$	525,714		6.5	%
Tier 1 capital		1,176,915		14.6	%		485,274		6.0	%		647,032		8.0	%
Total capital		1,262,361		15.6	%		647,032		8.0	%		808,790		10.0	%
Tier 1 leverage		1,176,915		7.1	%		658,602		4.0	%		823,252		5.0	%

Stifel Bank– Federal Reserve Capital Amounts

December 31, 2018

	Actual					For Capital Adequacy Purposes					To Be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio
Common equity tier 1 capital	$	77,244		12.3	%	$	28,324		4.5	%	$	40,913		6.5	%
Tier 1 capital		77,244		12.3	%		37,766		6.0	%		50,354		8.0	%
Total capital		85,117		13.5	%		50,354		8.0	%		62,943		10.0	%
Tier 1 leverage		77,244		9.9	%		31,113		4.0	%		38,892		5.0	%