XML 49 R31.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Equity-Method Investment And Other Assets (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Equity Method Investments And Other Assets [Abstract] |
Equity-Method Investment And Other Assets Disclosure [Table Text Block] | Our other assets consist of the following (in thousands):
| As of December 31,
| 2017 |  | 2016
Accounts receivable and other assets | $ | 5,187 |  |  | $ | 9,212 |
Regulatory escrows | 8,208 |  |  | 8,208 |
Reserves for replacement, insurance and tax escrows | 4,817 |  |  | 4,047 |
Marketable securities | — |  |  | 11,745 |
| $ | 18,212 |  |  | $ | 33,212 |

X
- Definition Equity Method Investments And Other Assets [Abstract] + References No definition available. + Details
Name: | nhi_EquityMethodInvestmentsAndOtherAssetsAbstract
Namespace Prefix: | nhi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration