CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues:
Rental income	$ 178,004	$ 163,479	$ 357,202	$ 338,026
Interest and other income from real estate transactions	1,007	222	1,587	738
Total revenues	179,011	163,701	358,789	338,764
Operating expenses:
General and administrative	11,868	9,395	23,616	19,495
Real estate	6,619	6,323	14,344	13,959
Depreciation and amortization	50,875	48,936	100,855	98,124
Leasing transaction costs	22	0	60	36
Impairment losses – real estate, net of recoveries	7,735	21,854	9,866	27,367
Total operating expenses	77,119	86,508	148,741	158,981
Gain on disposition of real estate	4,181	719	8,462	13,489
Earnings from operations	106,073	77,912	218,510	193,272
Other expenses (revenues):
Interest and other income	(33)	(106)	(98)	(271)
Interest expense	33,085	31,753	67,672	65,423
Loss on early extinguishment of debt	0	0	21,328	16,679
Total other expenses (revenues)	33,052	31,647	88,902	81,831
Net earnings	73,021	46,265	129,608	111,441
Loss attributable to noncontrolling interests	2	0	2	2
Net earnings attributable to NNN	73,023	46,265	129,610	111,443
Series F preferred stock dividends	(4,485)	(4,485)	(8,970)	(8,970)
Net earnings attributable to common stockholders	$ 68,538	$ 41,780	$ 120,640	$ 102,473
Net earnings per share of common stock:
Basic (in dollars per share)	$ 0.39	$ 0.24	$ 0.69	$ 0.60
Diluted (in dollars per share)	$ 0.39	$ 0.24	$ 0.69	$ 0.60
Weighted average number of common shares outstanding:
Basic (in shares)	174,610,897	171,388,869	174,600,158	171,213,943
Diluted (in shares)	174,726,812	171,485,285	174,733,076	171,373,816
Other comprehensive income:
Net earnings attributable to NNN	$ 73,023	$ 46,265	$ 129,610	$ 111,443
Amortization of interest rate hedges	561	638	1,929	1,021
Fair value of forward starting swaps	0	0	0	(7,617)
Comprehensive income attributable to NNN	73,584	46,903	131,539	104,847
Comprehensive loss attributable to noncontrolling interests	(2)	0	(2)	(2)
Comprehensive income attributable to NNN	$ 73,582	$ 46,903	$ 131,537	$ 104,845