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Note 7 - Long-term Leases (Tables) | 3 Months Ended
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Mar. 31, 2024
Notes Tables |
Lessee, Lease, Liability, Maturity [Table Text Block] |
|  | Operating Leases |
2025 |  | $ | 34,351 |
2026 |  |  | 33,590 |
2027 |  |  | 24,933 |
2028 |  |  | 493 |
2029 |  |  | 207 |
Thereafter |  |  | 21 |
Total minimum lease payments |  |  | 93,595 |
Less: amounts representing interest |  |  | (7,858 | )
Present value of future minimum lease payments |  |  | 85,737 |
Less: current portion |  |  | (29,733 | )
Noncurrent lease liabilities |  | $ | 56,004 |

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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating and finance lease liability. + 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