XML 31 R23.htm IDEA: XBRL DOCUMENT
v3.25.1

Organization and Summary of Significant Accounting Policies - (Summary of tenants classified as cash basis) (Details) - Tenant | Mar. 31, 2025 | Mar. 31, 2024
--- | --- | ---
Accounting Policies [Abstract] |  |
Number of tenants | 10 | 10
Cash basis tenants as a percent of: |  |
Total Properties | 1.50% | 3.50%
% of Annualized Base Rent ("ABR") | 3.40% | 5.10%
% of gross leasable area | 3.70% | 4.90%

X
- Definition Cash basis tenants as a percent of: + References No definition available. + Details
Name: | nnn_CashBasisTenantsAsAPercentOf
Namespace Prefix: | nnn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Lease Income Recognized On Cash Basis, Number Of Tenants + References No definition available. + Details
Name: | nnn_LeaseIncomeRecognizedOnCashBasisNumberOfTenants
Namespace Prefix: | nnn_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Lease Income Recognized On Cash Basis, Percentage Of Aggregate Gross Leasable Area + References No definition available. + Details
Name: | nnn_LeaseIncomeRecognizedOnCashBasisPercentageOfAggregateGrossLeasableArea
Namespace Prefix: | nnn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Lease Income Recognized On Cash Basis Percentage Of Total Annual Base Rent + References No definition available. + Details
Name: | nnn_LeaseIncomeRecognizedOnCashBasisPercentageOfTotalAnnualBaseRent
Namespace Prefix: | nnn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Lease Income Recognized On Cash Basis, Percentage Of Total Properties + References No definition available. + Details
Name: | nnn_LeaseIncomeRecognizedOnCashBasisPercentageOfTotalProperties
Namespace Prefix: | nnn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration