XML 35 R37.htm IDEA: XBRL DOCUMENT
v3.19.3

Real Estate Real Estate (Schedule of Tenant Purchase Options) (Details) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2019 USD ($) properties | Sep. 30, 2019 properties
Number of Real Estate Properties |  | 222
Medical Office Building [Member] |  |
Number of Real Estate Properties |  | 2
Senior Housing Community [Member] |  |
Number of Real Estate Properties |  | 145
Hospital [Member] |  |
Number of Real Estate Properties |  | 3
Skilled Nursing Facility [Member] |  |
Number of Real Estate Properties |  | 72
Open Now [Member] | Medical Office Building [Member] | February 2025 [Member] |  |
Number of Real Estate Properties | 1 |
Minimum Annual Lease Income | $ | $ 306 |
2020 [Member] | Hospital [Member] | September 2027 [Member] |  |
Number of Real Estate Properties | 1 |
Minimum Annual Lease Income | $ | $ 2,713 |
2020 [Member] | Hospital [Member] | March 2025 [Member] |  |
Number of Real Estate Properties | 1 |
Minimum Annual Lease Income | $ | $ 1,957 |
2021 [Member] | Senior Housing Community [Member] | May 2031 [Member] |  |
Number of Real Estate Properties | 2 |
Minimum Annual Lease Income | $ | $ 5,063 |
2022 [Member] | Hospital [Member] | June 2022 [Member] |  |
Number of Real Estate Properties | 1 |
Minimum Annual Lease Income | $ | $ 3,502 |
2025 [Member] | Skilled Nursing Facility [Member] | August 2028 [Member] |  |
Number of Real Estate Properties | 7 |
Minimum Annual Lease Income | $ | $ 3,671 |
2028 [Member] | Skilled Nursing Facility [Member] | September 2028 [Member] |  |
Number of Real Estate Properties | 1 |
Minimum Annual Lease Income | $ | $ 463 |

X
- Definition This element represents the minimum annual lease income to be received. + References No definition available. + Details
Name: | nhi_MinimumAnnualLeaseIncome
Namespace Prefix: | nhi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfRealEstateProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=nhi_MedicalOfficeBuildingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=nhi_SeniorHousingCommunityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=nhi_HospitalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=nhi_SkilledNursingFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | nhi_LeaseOptionAxis=nhi_OpenNowMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | nhi_LeaseMaturityAxis=nhi_February2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | nhi_LeaseOptionAxis=nhi_A2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | nhi_LeaseMaturityAxis=nhi_September2027Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | nhi_LeaseMaturityAxis=nhi_March2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | nhi_LeaseOptionAxis=nhi_A2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | nhi_LeaseMaturityAxis=nhi_May2031Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | nhi_LeaseOptionAxis=nhi_A2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | nhi_LeaseMaturityAxis=nhi_June2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | nhi_LeaseOptionAxis=nhi_A2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | nhi_LeaseMaturityAxis=nhi_August2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | nhi_LeaseOptionAxis=nhi_A2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | nhi_LeaseMaturityAxis=nhi_September2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |