Document and Entity Information
Document and Entity Information | Jan. 23, 2024 |
Cover [Abstract] | |
Document Type | 8-K |
Document Period End Date | Jan. 23, 2024 |
Entity Registrant Name | NATIONAL BANKSHARES, INC. |
Entity Incorporation State Country Code | VA |
Entity File Number | 0-15204 |
Entity Tax Identification Number | 54-1375874 |
Entity Address Address Line 1 | 101 Hubbard Street |
Entity Address City Or Town | Blacksburg |
Entity Address State Or Province | VA |
Entity Address Postal Zip Code | 24060 |
City Area Code | 540 |
Local Phone Number | 951-6300 |
Written Communications | true |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Security 12b Title | Common Stock |
Trading Symbol | NKSH |
Security Exchange Name | NASDAQ |
Entity Emerging Growth Company | false |
Current Fiscal Year End Date | --12-31 |
Amendment Flag | false |
Entity Central Index Key | 0000796534 |