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Proceeds from Stock Options Exercised	us-gaap_ProceedsFromStockOptionsExercised	0
Proceeds from Stock Options Exercised	us-gaap_ProceedsFromStockOptionsExercised	10,310
Retained Earnings [Member]
Reclass from AOCI to Retained Earnings for stranded tax effect	sfdl_ReclassfromAOCItoRetainedEarningsforstrandedtaxeffect	(611,091)
Additional Paid-in Capital [Member]
Adjustments to Additional Paid in Capital, Share-based Compensation, Stock Options, Requisite Service Period Recognition	us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	10,305
AOCI Attributable to Parent [Member]
Reclass from AOCI to Retained Earnings for stranded tax effect	sfdl_ReclassfromAOCItoRetainedEarningsforstrandedtaxeffect	611,091
Common Stock [Member]
Stock Issued During Period, Value, Stock Options Exercised	us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised	5
Nonvested restricted stock [Member]
Dividends, Share-based Compensation	us-gaap_DividendsShareBasedCompensation	$ 25,358

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+ References

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+ References

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- Definition

Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.

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-Publisher FASB
-Name Accounting Standards Codification
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