Document and Entity Information
Document and Entity Information Document | 12 Months Ended | |
Apr. 27, 2023 | Dec. 31, 2022 | |
Document And Entity Information [Abstract] | ||
Entity Central Index Key | 0000877860 | |
Document Type | 8-K | |
Document Period End Date | Apr. 27, 2023 | |
Entity Registrant Name | NATIONAL HEALTH INVESTORS INC | |
Entity Incorporation, State or Country Code | MD | |
Entity File Number | 001-10822 | |
Entity Tax Identification Number | 62-1470956 | |
Entity Address, Address Line One | 222 Robert Rose Drive | |
Entity Address, City or Town | Murfreesboro | |
Entity Address, State or Province | TN | |
Entity Address, Postal Zip Code | 37129 | |
City Area Code | 615 | |
Local Phone Number | 890-9100 | |
Written Communications | false | |
Soliciting Material | false | |
Pre-commencement Tender Offer | false | |
Pre-commencement Issuer Tender Offer | false | |
Title of 12(b) Security | Common Stock, $0.01 par value | |
Trading Symbol | NHI | |
Security Exchange Name | NYSE | |
Entity Emerging Growth Company | false | |
Amendment Flag | false | |
Current Fiscal Year End Date | --12-31 |