XML 78 R53.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Real Estate Real Estate (Schedule of Fixed and Variable Lease Payments) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Operating Leases, Income Statement, Lease Revenue | $ 294,182 | $ 280,813 | $ 265,169
Amortization of Lease Incentives | 845 | 387 | 119
Fixed Lease Escalation [Member] |  |  |
Operating Leases, Income Statement, Lease Revenue | 260,488 | 253,528 | 235,343
Variable Lease Escalation [Member] |  |  |
Operating Leases, Income Statement, Lease Revenue | 4,967 | 4,111 | 3,617
Straight Line Rent Income [Member] |  |  |
Operating Leases, Income Statement, Lease Revenue | 22,084 | 22,787 | 26,090
Escrow Funds Received From Tenants [Member] |  |  |
Operating Leases, Income Statement, Lease Revenue | $ 5,798 | $ 0 | $ 0

X
- Definition Amount of amortization of lease incentive costs incurred by the lessor for the benefit of the lessee. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77902458&loc=d3e40010-112707 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 25 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=77902458&loc=d3e40019-112707 + Details
Name: | us-gaap_AmortizationOfLeaseIncentives
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77902458&loc=d3e39896-112707 + Details
Name: | us-gaap_OperatingLeasesIncomeStatementLeaseRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_LeaseArrangementTypeAxis=nhi_FixedLeaseEscalationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LeaseArrangementTypeAxis=nhi_VariableLeaseEscalationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LeaseArrangementTypeAxis=nhi_StraightLineRentIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LeaseArrangementTypeAxis=nhi_EscrowFundsReceivedFromTenantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |