| Cover | Jun. 01, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jun. 1, 2021 |
| Current Fiscal Year End Date | --12-31 |
| Entity File Number | 000-52598 |
| Entity Registrant Name | KENTUCKY BANCSHARES, INC. |
| Entity Central Index Key | 0001000232 |
| Entity Tax Identification Number | 61-0993464 |
| Entity Incorporation, State or Country Code | KY |
| Entity Address, Address Line One | P.O. Box 157 |
| Entity Address, City or Town | Paris |
| Entity Address, State or Province | KY |
| Entity Address, Postal Zip Code | 40362-0157 |
| City Area Code | 859 |
| Local Phone Number | 987-1795 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Shares |
| Trading Symbol | KTYB |
| Entity Emerging Growth Company | false |
