Cover - shares	9 Months Ended
	Sep. 30, 2020	Oct. 15, 2020
Cover [Abstract]
Entity Registrant Name	BANK OF SOUTH CAROLINA CORP
Entity Central Index Key	0001007273
Document Type	10-Q
Entity File Number	0-27702
Entity State Incorporation	SC
Document Period End Date	Sep. 30, 2020
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		5,520,469
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2020