XML 60 R50.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Commitments And Contingencies Commitments and Contingencies (Schedule of Loss Contingencies) (Details) | 3 Months Ended
--- | ---
Mar. 31, 2018 USD ($)
Contingent Funding Commitment | $ 34,850,000
Contingent Funding Commitment, Remaining Unfunded Amount | 31,350,000
Contingent Amount Funded [Member] |
Contingent Funding Commitment, Amount Funded | (3,500,000)
Bickford / Sycamore [Member] |
Contingent Funding Commitment, Amount Funded | (250,000)
Contingent Funding Commitment, Remaining Unfunded Amount | 5,750,000
Bickford / Sycamore [Member] | Lease Agreements [Member] |
Contingent Funding Commitment | 10,000,000
Contingent Funding Commitment, Amount Funded | (3,250,000)
Contingent Funding Commitment, Remaining Unfunded Amount | 6,750,000
Bickford / Sycamore [Member] | Notes Receivable [Member] |
Contingent Funding Commitment | 6,000,000
East Lake Capital [Member] |
Contingent Funding Commitment | 8,000,000
Contingent Funding Commitment, Remaining Unfunded Amount | 8,000,000
East Lake Capital [Member] | Maximum Contingent Amount [Member] |
Lease Incentive Commitment Assessed As Not Probable | 8,000,000
East Lake Capital [Member] | Contingent Amount Funded [Member] |
Contingent Funding Commitment, Amount Funded | 0
Ravn Senior Solutions [Member] |
Contingent Funding Commitment | 4,850,000
Contingent Funding Commitment, Remaining Unfunded Amount | 4,850,000
Ravn Senior Solutions [Member] | Contingent Amount Funded [Member] |
Contingent Funding Commitment, Amount Funded | 0
Prestige Senior Living [Member] |
Contingent Funding Commitment | 1,000,000
Contingent Funding Commitment, Remaining Unfunded Amount | 1,000,000
Prestige Senior Living [Member] | Contingent Amount Funded [Member] |
Contingent Funding Commitment, Amount Funded | 0
The Lasalle Group [Member] |
Contingent Funding Commitment | 5,000,000
Contingent Funding Commitment, Remaining Unfunded Amount | 5,000,000
The Lasalle Group [Member] | Contingent Amount Funded [Member] |
Contingent Funding Commitment, Amount Funded | $ 0

X
- Definition This item represents the maximum amount of a contingent funding commitment. + References No definition available. + Details
Name: | nhi_ContingentFundingCommitment
Namespace Prefix: | nhi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition This item represents the amount of a contingent funding commitment which has been funded. + References No definition available. + Details
Name: | nhi_ContingentFundingCommitmentAmountFunded
Namespace Prefix: | nhi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition This item represents the remaining unfunded amount related to a contingent funding commitment. + References No definition available. + Details
Name: | nhi_ContingentFundingCommitmentRemainingUnfundedAmount
Namespace Prefix: | nhi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition This item represents the amount of a payment or a series of payments related to a lease incentive commitment which has been assessed as not probable and therefore is not recorded as payable. + References No definition available. + Details
Name: | nhi_LeaseIncentiveCommitmentAssessedAsNotProbable
Namespace Prefix: | nhi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Details
Name: | us-gaap_MajorCustomersAxis=nhi_BickfordSycamoreMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_MajorCustomersAxis=nhi_EastLakeCapitalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_MajorCustomersAxis=nhi_RavnSeniorSolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorCustomersAxis=nhi_PrestigeSeniorLivingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorCustomersAxis=nhi_TheLasalleGroupMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |