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Note 5 - Other Revenues (Tables) | 9 Months Ended
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Sep. 30, 2024
Notes Tables |
Schedule of Other Revenues [Table Text Block] |
|  | Three Months Ended September 30 |  |  | Nine Months Ended September 30 |
|  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
Rental income |  | $ | 6,028 |  |  | $ | 5,958 |  |  | $ | 18,015 |  |  | $ | 17,966 |
Management and accounting services fees |  |  | 4,226 |  |  |  | 4,185 |  |  |  | 12,744 |  |  |  | 14,045 |
Insurance services |  |  | 818 |  |  |  | 989 |  |  |  | 2,506 |  |  |  | 2,920 |
Other |  |  | 452 |  |  |  | 348 |  |  |  | 907 |  |  |  | 1,082 |
Total other revenues |  | $ | 11,524 |  |  | $ | 11,480 |  |  | $ | 34,172 |  |  | $ | 36,013 |

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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