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Note 4 - Other Revenues (Tables) | 6 Months Ended
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Jun. 30, 2024
Notes Tables |
Schedule of Other Revenues [Table Text Block] |
|  | Three Months Ended June 30 |  |  | Six Months Ended June 30 |
|  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
Rental income |  | $ | 6,028 |  |  | $ | 5,965 |  |  | $ | 11,987 |  |  | $ | 12,009 |
Management and accounting services fees |  |  | 4,081 |  |  |  | 5,763 |  |  |  | 8,518 |  |  |  | 9,860 |
Insurance services |  |  | 816 |  |  |  | 882 |  |  |  | 1,688 |  |  |  | 1,930 |
Other |  |  | 370 |  |  |  | 367 |  |  |  | 455 |  |  |  | 734 |
Total other revenues |  | $ | 11,295 |  |  | $ | 12,977 |  |  | $ | 22,648 |  |  | $ | 24,533 |

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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
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration