XML 10 R1.htm IDEA: XBRL DOCUMENT v3.22.2.2
Cover - shares
9 Months Ended
Sep. 30, 2022
Nov. 01, 2022
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Sep. 30, 2022  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2022  
Current Fiscal Year End Date --12-31  
Entity File Number 000-31937  
Entity Registrant Name GrandSouth Bancorporation  
Entity Central Index Key 0001126961  
Entity Tax Identification Number 57-1104394  
Entity Incorporation, State or Country Code SC  
Entity Address, Address Line One 381 Halton Road  
Entity Address, City or Town Greenville  
Entity Address, State or Province SC  
Entity Address, Postal Zip Code 29607  
City Area Code (864)  
Local Phone Number 770-1000  
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   5,225,642