XML 71 R47.htm IDEA: XBRL DOCUMENT v3.25.0.1

Note 2 - Acquisition of White Oak Senior Living - Pro Forma Financial Information (Details) - White Oak Senior Living Portfolio [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Net operating revenues and grant income	$ 1,434,768	$ 1,342,207	$ 1,273,974
Income before income taxes	140,779	86,698	22,213
Net income attributable to NHC	$ 105,321	$ 63,778	$ 16,264

X

- Definition

Amount before tax of pro forma income from continuing operations as if the business combination had been completed at the beginning of a period.

+ References

No definition available.

+ Details

Name:	nhc_BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeTax
Namespace Prefix:	nhc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Total pro forma net operating revenue and grant income for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

No definition available.

+ Details

Name:	nhc_BusinessAcquisitionsProformaNetOperatingRevenuesAndGrantIncome
Namespace Prefix:	nhc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479328/805-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479328/805-10-50-2

+ Details

Name:	us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=nhc_WhiteOakSeniorLivingPortfolioMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: