Regulatory Capital Requirements (Tables)

9 Months Ended

Sep. 30, 2019

Regulatory Capital Requirements [Abstract]

Schedule Of Total Risk-Based, Tier 1 Risk-Based, And Tier 1 Leverage 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	$	1,952,043		15.6	%	$	563,006		4.5	%	$	813,231		6.5	%
Tier 1 capital		2,266,356		18.1	%		750,675		6.0	%		1,000,900		8.0	%
Total capital		2,416,874		19.3	%		1,000,900		8.0	%		1,251,125		10.0	%
Tier 1 leverage		2,266,356		10.0	%		907,623		4.0	%		1,134,529		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	$	1,032,752		13.1	%	$	355,002		4.5	%	$	512,781		6.5	%
Tier 1 capital		1,037,065		13.1	%		473,336		6.0	%		631,115		8.0	%
Total capital		1,127,126		14.3	%		631,115		8.0	%		788,894		10.0	%
Tier 1 leverage		1,037,065		7.3	%		568,473		4.0	%		710,592		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	$	148,620		17.9	%	$	37,443		4.5	%	$	54,084		6.5	%
Tier 1 capital		148,620		17.9	%		49,924		6.0	%		66,565		8.0	%
Total capital		158,649		19.1	%		66,565		8.0	%		83,206		10.0	%
Tier 1 leverage		148,620		7.0	%		84,407		4.0	%		105,508		5.0	%