BANK OF SOUTH CAROLINA CORPORATION - PARENT COMPANY (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Assets
Other assets	$ 2,087,587	$ 1,996,140
Total assets	429,135,198	446,566,498
Liabilities and Shareholders' Equity:
Shareholders' equity	45,462,561	42,764,635	$ 40,612,974	$ 39,151,712
Total liabilities and shareholders' equity	429,135,198	446,566,498
Bank of South Carolina Corporation - Parent [Member]
Assets
Cash	1,007,501	947,216	$ 922,595	$ 946,996
Investment in wholly-owned subsidiary	45,103,068	42,437,503
Other assets	178,629	127,274
Total assets	46,289,198	43,511,993
Liabilities and Shareholders' Equity:
Other liabilities	826,637	747,358
Shareholders' equity	45,462,561	42,764,635
Total liabilities and shareholders' equity	$ 46,289,198	$ 43,511,993