REGULATORY CAPITAL REQUIREMENTS (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Total Capital
Minimum Capital required to be well-capitalized, ratio	10.00%	8.00%
Tier 1 Capital (to risk-weighted assets)
Minimum Tier 1 Capital required to be well-capitalized, ratio	6.00%	4.00%
Tier 1 Leverage Capital (to average assets)
Minimum Tier 1 Capital required to be well-capitalized, ratio	5.00%	4.00%
Bank of South Carolina Corporation [Member]
Total Capital
Total Capital	38,752,000	36,932,000
Total Capital (to risk-weighted assets) ratio	14.98%	14.67%
Minimum amount of capital for adequacy purposes	20,694,000	20,140,000
Minimum amount of capital for adequacy purposes, ratio	8.00%	8.00%
Tier 1 Capital (to risk-weighted assets)
Tier 1 Capital	35,517,000	33,783,000
Tier 1 Capital (to risk-weighted assets) ratio	13.73%	13.42%
Minimum amount of Tier 1 Capital for adequacy purposes	10,347,000	10,070,000
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	4.00%	4.00%
Tier 1 Leverage Capital (to average assets)
Tier 1 Capital	35,517,000	33,783,000
Tier 1 Capital (to average assets) ratio	9.44%	9.81%
Minimum amount of Tier 1 Capital for adequacy purposes	15,042,000	13,799,000
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	4.00%	4.00%
Bank of South Carolina Bank [Member]
Total Capital
Total Capital	38,459,000	36,653,000
Total Capital (to risk-weighted assets) ratio	14.88%	14.57%
Minimum amount of capital for adequacy purposes	20,676,000	20,126,000
Minimum amount of capital for adequacy purposes, ratio	8.00%	8.00%
Minimum Capital required to be well-capitalized	25,845	25,157,000
Minimum Capital required to be well-capitalized, ratio	10.00%	10.00%
Tier 1 Capital (to risk-weighted assets)
Tier 1 Capital	35,227,000	33,506,000
Tier 1 Capital (to risk-weighted assets) ratio	13.63%	13.32%
Minimum amount of Tier 1 Capital for adequacy purposes	10,338,000	10,063,000
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	4.00%	4.00%
Minimum Tier 1 Capital required to be well-capitalized	15,507,000	15,094,000
Minimum Tier 1 Capital required to be well-capitalized, ratio	6.00%	6.00%
Tier 1 Leverage Capital (to average assets)
Tier 1 Capital	35,227,000	33,506,000
Tier 1 Capital (to average assets) ratio	9.37%	9.73%
Minimum amount of Tier 1 Capital for adequacy purposes	15,033,000	13,772,000
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	4.00%	4.00%
Minimum Tier 1 Capital required to be well-capitalized	18,792,000	17,215,000
Minimum Tier 1 Capital required to be well-capitalized, ratio	5.00%	5.00%