Preferred Stock - Summary of dividends declared and paid to stockholders for NNN's Series F Preferred Stock (Details) - Series F Preferred Stock [Member] - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Class of Stock [Line Items]
Dividends	$ 0	$ 0	$ 14,999,000
Per share			$ 1.086944
Preferred Stock, Dividends Per Share, Declared			$ 1.086944