CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net earnings		$ 80,033,000	$ 103,289,000
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization		46,180,000	44,498,000
Impairment losses – real estate, net of recoveries		3,245,000	2,248,000
Amortization of notes payable discount		425,000	458,000
Amortization of debt costs		920,000	888,000
Amortization of mortgages payable premium		(21,000)	(21,000)
Amortization of interest rate hedges		323,000	525,000
Gain on disposition of real estate		(10,445,000)	(38,596,000)
Performance incentive plan expense		2,787,000	2,275,000
Performance incentive plan payment		(775,000)	(432,000)
Change in operating assets and liabilities, net of assets acquired and liabilities assumed:
Decrease in real estate leased to others using the direct financing method		172,000	228,000
Decrease in receivables		887,000	125,000
Increase in accrued rental income		(747,000)	(998,000)
Decrease (increase) in other assets		(12,000)	414,000
Increase in accrued interest payable		27,937,000	16,068,000
Decrease in other liabilities		(7,315,000)	(1,082,000)
Other		(218,000)	110,000
Net cash provided by operating activities		143,376,000	129,997,000
Cash flows from investing activities:
Proceeds from the disposition of real estate		16,909,000	71,627,000
Additions to real estate:
Accounted for using the operating method		(112,130,000)	(174,986,000)
Other		2,191,000	207,000
Net cash used in investing activities		(93,030,000)	(103,152,000)
Cash flows from financing activities:
Proceeds from line of credit payable		0	491,000,000
Repayment of line of credit payable		0	(435,100,000)
Repayment of mortgages payable		(141,000)	(134,000)
Payment of debt issuance costs		(40,000)	(38,000)
Proceeds from issuance of common stock		5,279,000	1,554,000
Stock issuance costs		(42,000)	(174,000)
Payment of common stock dividends		(80,566,000)	(72,733,000)
Net cash used in financing activities		(84,092,000)	(24,207,000)
Net increase (decrease) in cash, cash equivalents and restricted cash		(33,746,000)	2,638,000
Cash, cash equivalents and restricted cash at beginning of period	[1]	114,267,000	1,364,000
Cash, cash equivalents and restricted cash at end of period	[1]	80,521,000	4,002,000
Supplemental disclosure of cash flow information:
Interest paid, net of amount capitalized		499,000	9,512,000
Supplemental disclosure of noncash investing and financing activities:
Increase (decrease) in other comprehensive income		892,000	1,171,000
Right-of-use assets recorded in connection with lease liabilities		7,735,000	0
Mortgage receivable accepted in connection with real estate transactions		3,100,000	0
Restricted cash and cash held in escrow		0	0
Series E Preferred Stock
Cash flows from financing activities:
Payment of preferred stock dividends		(4,097,000)	(4,097,000)
Series F Preferred Stock
Cash flows from financing activities:
Payment of preferred stock dividends		$ (4,485,000)	$ (4,485,000)

[1] Cash, cash equivalents and restricted cash is the aggregate of cash and cash equivalents and restricted cash and cash held in escrow from the Condensed Consolidated Balance Sheets. NNN had no restricted cash and cash held in escrow at March 31, 2019 and 2018.