CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenues:
Rental income	$ 180,024	$ 157,865	$ 537,226	$ 495,891
Interest and other income from real estate transactions	333	768	1,920	1,506
Total revenues	180,357	158,633	539,146	497,397
Operating expenses:
General and administrative	11,077	9,419	34,693	28,914
Real estate	6,521	6,345	20,865	20,304
Depreciation and amortization	50,976	49,404	151,831	147,528
Leasing transaction costs	86		146	36
Impairment losses – real estate, net of recoveries	4,781	5,695	14,647	33,062
Total operating expenses	73,441	70,863	222,182	229,844
Gain on disposition of real estate	9,473	148	17,935	13,637
Earnings from operations	116,389	87,918	334,899	281,190
Other expenses (revenues):
Interest and other income	(61)	(74)	(159)	(345)
Interest expense	33,518	31,924	101,190	97,347
Loss on early extinguishment of debt			21,328	16,679
Total other expenses (revenues)	33,457	31,850	122,359	113,681
Net earnings	82,932	56,068	212,540	167,509
Loss attributable to noncontrolling interests	1	1	3	3
Net earnings attributable to NNN	82,933	56,069	212,543	167,512
Series F preferred stock dividends	(4,485)	(4,485)	(13,455)	(13,455)
Net earnings attributable to common stockholders	$ 78,448	$ 51,584	$ 199,088	$ 154,057
Net earnings per share of common stock:
Basic (in dollars per share)	$ 0.45	$ 0.30	$ 1.14	$ 0.89
Diluted (in dollars per share)	$ 0.45	$ 0.30	$ 1.14	$ 0.89
Weighted average number of common shares outstanding:
Basic (in shares)	174,629,442	172,681,136	174,610,026	171,706,577
Diluted (in shares)	174,738,903	172,782,266	174,716,053	171,815,377
Other comprehensive income:
Net earnings attributable to NNN	$ 82,933	$ 56,069	$ 212,543	$ 167,512
Amortization of interest rate hedges	565	642	2,494	1,663
Fair value of forward starting swaps	(1,584)		(1,584)	(7,617)
Comprehensive income attributable to NNN	81,914	56,711	213,453	161,558
Comprehensive loss attributable to noncontrolling interests	(1)	(1)	(3)	(3)
Total comprehensive income	$ 81,913	$ 56,710	$ 213,450	$ 161,555