CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($)	Total	Total  Stockholders’ Equity of NNN	Common Stock	Capital in Excess of Par Value	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests
Balances at Dec. 31, 2021	$ 3,901,663,000	$ 3,901,662,000	$ 1,757,000	$ 4,662,714,000	$ (747,853,000)	$ (14,956,000)	$ 1,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	81,373,000	81,372,000			81,372,000		(1,000)
Dividends declared and paid:
Preferred stock dividends declared and paid	0	0			0
Common stock dividends declared and paid	(92,055,000)	(92,055,000)		696,000	(92,751,000)
Issuance of common stock:
Director compensation	305,000	305,000		305,000
Stock purchase plan	52,000	52,000		52,000
Restricted shares, net of forfeitures			2,000	(2,000)
Stock issuance costs	(65,000)	(65,000)		(65,000)
Amortization of deferred compensation	5,890,000	5,890,000		5,890,000
Amortization of interest rate hedges	583,000	583,000				583,000
Balances at Mar. 31, 2022	3,897,746,000	3,897,744,000	1,759,000	4,669,590,000	(759,232,000)	(14,373,000)	$ 2,000
Balances at Dec. 31, 2022	4,123,502,000	4,123,502,000	1,815,000	4,928,034,000	(793,765,000)	(12,582,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	90,167,000	90,167,000			90,167,000
Dividends declared and paid:
Common stock dividends declared and paid	(98,677,000)	(98,677,000)		724,000	(99,401,000)
Issuance of common stock:
Director compensation	269,000	269,000		269,000
Stock purchase plan	98,000	98,000		98,000
ATM equity program	16,368,000	16,368,000	4,000	16,364,000
Restricted shares, net of forfeitures			3,000	(3,000)
Stock issuance costs	(294,000)	(294,000)		(294,000)
Amortization of deferred compensation	2,832,000	2,832,000		2,832,000
Amortization of interest rate hedges	607,000	607,000				607,000
Balances at Mar. 31, 2023	$ 4,134,872,000	$ 4,134,872,000	$ 1,822,000	$ 4,948,024,000	$ (802,999,000)	$ (11,975,000)