v3.22.4
Mortgages Payable (Details) - Mortgages [Member]
Dec. 31, 2022
USD ($)
Property
Dec. 31, 2021
USD ($)
Debt Instrument [Line Items]    
Debt costs $ (147,000) $ (147,000)
Accumulated amortization 142,000 125,000
Debt costs, net of accumulated amortization (5,000) (22,000)
Mortgages payable, including unamortized premium and net of unamortized debt costs 9,964,000 10,697,000
Long-term Debt, Fiscal Year Maturity [Abstract]    
2023 9,969,000  
November 2014    
Debt Instrument [Line Items]    
Initial Balance [1] $ 15,151,000  
Interest Rate [1] 5.23%  
Carrying Value of Encumbered Asset(s) [1],[2] $ 18,485,000  
Outstanding Principal Balance [1] $ 9,969,000 $ 10,719,000
Number of encumbered assets | Property 5  
[1] Date entered represents the date that NNN acquired real estate subject to a mortgage securing a loan. Initial balance and outstanding principal balance includes unamortized premium.
[2] The loan is secured by a first mortgage lien on five of the Properties.