| Cover | Feb. 03, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 3, 2021 |
| Entity File Number | 000-50400 |
| Entity Registrant Name | SELECT BANCORP, INC. |
| Entity Central Index Key | 0001263762 |
| Entity Tax Identification Number | 20-0218264 |
| Entity Incorporation, State or Country Code | NC |
| Entity Address, Address Line One | 700 W. Cumberland Street |
| Entity Address, City or Town | Dunn |
| Entity Address, State or Province | NC |
| Entity Address, Postal Zip Code | 28334 |
| City Area Code | 910 |
| Local Phone Number | 892-7080 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $1.00 per share |
| Trading Symbol | SLCT |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
