XML 51 R55.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Mortgage And Other Notes Receivable Mortgage and Other Notes Receivable (Schedule of Bickford Construction Loans) (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases Receivable, Commitments, Fixed Rates | $ 292,250,000 |
Loans and Leases Receivable, Net Amount | (340,143,000) | $ (246,111,000)
Bickford Note Investment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases Receivable, Commitments, Fixed Rates | 42,700,000 |
Loans and Leases Receivable, Net Amount | $ (37,116,000) |
January 2017 [Member] | Bickford Note Investment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Note Receivable Interest Rate | 9.00% |
Loan Term | 5 years |
Loans and Leases Receivable, Commitments, Fixed Rates | $ 14,000,000 |
Loans and Leases Receivable, Net Amount | $ (14,000,000) |
January 2018 [Member] | Bickford Note Investment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Note Receivable Interest Rate | 9.00% |
Loan Term | 5 years |
Loans and Leases Receivable, Commitments, Fixed Rates | $ 14,000,000 |
Loans and Leases Receivable, Net Amount | $ (11,804,000) |
July 2018 [Member] | Bickford Note Investment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Note Receivable Interest Rate | 9.00% |
Loan Term | 5 years |
Loans and Leases Receivable, Commitments, Fixed Rates | $ 14,700,000 |
Loans and Leases Receivable, Net Amount | $ (11,312,000) |

X
- Definition The concept represents a total loan term in number of years + References No definition available. + Details
Name: | nhi_LoanTerm
Namespace Prefix: | nhi_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition This concept reflects the interest rate to be received on a loan receivable. + References No definition available. + Details
Name: | nhi_NoteReceivableInterestRate
Namespace Prefix: | nhi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reflects the amount of cash required to fully fund agreements to provide advances to borrowers and lessees at stated interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 825 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=108315417&loc=d3e61044-112788 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 825 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=108315417&loc=d3e61082-112788 + Details
Name: | us-gaap_LoansAndLeasesReceivableCommitmentsFixedRates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_LoansAndLeasesReceivableNetReportedAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | srt_MajorCustomersAxis=nhi_BickfordNoteInvestmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=nhi_January2017Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=nhi_January2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=nhi_July2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |