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Note 4 - Other Revenues (Tables) | 3 Months Ended
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Mar. 31, 2024
Notes Tables |
Schedule of Other Revenues [Table Text Block] |
|  | Three Months Ended March 31 |
|  | 2024 |  |  | 2023 |
Rental income |  | $ | 5,959 |  |  | $ | 6,043 |
Management and accounting services fees |  |  | 4,438 |  |  |  | 4,097 |
Insurance services |  |  | 872 |  |  |  | 1,048 |
Other |  |  | 84 |  |  |  | 368 |
Total other revenues |  | $ | 11,353 |  |  | $ | 11,556 |

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- Definition Tabular disclosure of the detailed components of other operating revenues. + References No definition available. + Details
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Namespace Prefix: | nhc_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration