v3.26.1
Organization and Summary of Significant Accounting Policies (Summary of NNN's Investment Portfolio) (Details)
ft² in Thousands
6 Months Ended
Jun. 30, 2026
ft²
State
Dec. 31, 2025
Property
Property Portfolio:    
Total properties | Property   3,774
Gross leasable area (square feet) | ft² 40,440  
States | State [1] 50  
Weighted average remaining lease term (years) 10 years 1 month 6 days  
[1]

(1)

Plus the District of Columbia and Puerto Rico.