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| 0001437749-25-015664-index.html | 2025-05-09 09:36:00 | |
| 0001437749-25-015664.txt | 2025-05-09 09:36:00 | |
 0001437749-25-015664-xbrl.zip | 16091 | 2025-05-09 09:36:00 |
| ex_813776.htm | 143085 | 2025-05-09 09:36:00 |
| FilingSummary.xml | 1751 | 2025-05-09 09:36:00 |
| Financial_Report.xlsx | 5717 | 2025-05-09 09:36:00 |
| MetaLinks.json | 25298 | 2025-05-09 09:36:00 |
| nhc-20250509.xsd | 3570 | 2025-05-09 09:36:00 |
| nhc-20250509_def.xml | 11420 | 2025-05-09 09:36:00 |
| nhc-20250509_lab.xml | 15309 | 2025-05-09 09:36:00 |
| nhc-20250509_pre.xml | 11580 | 2025-05-09 09:36:00 |
 nhc01.jpg | 13359 | 2025-05-09 09:36:00 |
| nhc20250507c_8k.htm | 23004 | 2025-05-09 09:36:00 |
| nhc20250507c_8k_htm.xml | 2843 | 2025-05-09 09:36:00 |
| R1.htm | 38329 | 2025-05-09 09:36:00 |
| report.css | 2767 | 2025-05-09 09:36:00 |
| Show.js | 1085 | 2025-05-09 09:36:00 |