Regulatory Matters (Tables)

6 Months Ended

Jun. 30, 2017

Banking and Thrift [Abstract]

Regulatory capital amounts and ratios

	Actual			For Capital Adequacy			To Be "Well-Capitalized"
(Dollars in Thousands)	Amount		Ratio	Amount		Ratio	Amount		Ratio
SECURITY FEDERAL CORP.	June 30, 2017
Tier 1 Risk-Based Core Capital (To Risk Weighted Assets)	$	76,333	17.7%	$	25,895	6.0%	N/A		N/A
Total Risk-Based Capital (To Risk Weighted Assets)	82,131		19.0%	34,526		8.0%	N/A		N/A
Common Equity Tier 1 Capital (To Risk Weighted Assets)	71,333		16.5%	19,421		4.5%	N/A		N/A
Tier 1 Leverage (Core) Capital (To Adjusted Tangible Assets)	76,333		9.0%	33,809		4.0%	N/A		N/A
SECURITY FEDERAL BANK
Tier 1 Risk-Based Core Capital (To Risk Weighted Assets)	$	88,325	19.1%	$	27,686	6.0%	$	36,914	8.0%
Total Risk-Based Capital (To Risk Weighted Assets)	94,123		20.4%	36,914		8.0%	46,143		10.0%
Common Equity Tier 1 Capital (To Risk Weighted Assets)	88,325		19.1%	20,764		4.5%	29,993		6.5%
Tier 1 Leverage (Core) Capital (To Adjusted Tangible Assets)	88,325		10.5%	33,795		4.0%	42,243		5.0%
SECURITY FEDERAL CORP.	December 31, 2016
Tier 1 Risk-Based Core Capital (To Risk Weighted Assets)	$	73,787	16.6%	$	26,714	6.0%	N/A		N/A
Total Risk-Based Capital (To Risk Weighted Assets)	79,383		17.8%	35,618		8.0%	N/A		N/A
Common Equity Tier 1 Capital (To Risk Weighted Assets)	68,787		15.4%	20,035		4.5%	N/A		N/A
Tier 1 Leverage (Core) Capital (To Adjusted Tangible Assets)	73,787		9.1%	32,548		4.0%	N/A		N/A
SECURITY FEDERAL BANK
Tier 1 Risk-Based Core Capital (To Risk Weighted Assets)	$	88,139	19.8%	$	26,694	6.0%	$	35,592	8.0%
Total Risk-Based Capital (To Risk Weighted Assets)	93,735		21.1%	35,592		8.0%	44,490		10.0%
Common Equity Tier 1 Capital (To Risk Weighted Assets)	88,139		19.8%	20,021		4.5%	28,919		6.5%
Tier 1 Leverage (Core) Capital (To Adjusted Tangible Assets)	88,139		10.8%	32,587		4.0%	40,734		5.0%