Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from operating activities:
Earnings including noncontrolling interests	$ 122,609	$ 100,229
Adjustments to reconcile earnings including noncontrolling interests to net cash provided by operating activities:
Depreciation and amortization	71,144	66,343
Impairment losses – real estate and other charges, net of recoveries	6,031	3,714
Impairment – commercial mortgage residual interests valuation	852	428
Amortization of notes payable discount	683	639
Amortization of debt costs	1,513	1,423
Amortization of mortgages payable premium	(89)	(104)
Amortization of deferred interest rate hedges	1,402	832
Gain on disposition of real estate	(18,053)	(7,260)
Performance incentive plan expense	5,804	4,968
Performance incentive plan payment	(581)	(676)
Change in operating assets and liabilities, net of assets acquired and liabilities assumed in business combinations:
Decrease in real estate leased to others using the direct financing method	692	676
Decrease in mortgages, notes and accrued interest receivable	25	71
Decrease in receivables	1,139	1,235
Increase in accrued rental income	(157)	(18)
Decrease (increase) in other assets	136	(964)
Increase (decrease) in accrued interest payable	(975)	52
Decrease in other liabilities	(3,971)	(3,528)
Other	(556)	(231)
Net cash provided by operating activities	187,648	167,829
Cash flows from investing activities:
Proceeds from the disposition of real estate	73,066	24,904
Transfers from restricted cash and cash held in escrow	359	0
Additions to real estate:
Accounted for using the operating method	(485,573)	(284,612)
Principal payments on mortgages and notes receivable	123	876
Other	(1,812)	(1,114)
Net cash used in investing activities	(413,837)	(259,946)
Cash flows from financing activities:
Proceeds from line of credit payable	598,500	679,800
Repayment of line of credit payable	(451,200)	(552,300)
Repayment of mortgages payable	(6,990)	(1,126)
Payment of debt costs	(159)	(75)
Proceeds from issuance of common stock	219,448	88,694
Stock issuance costs	(3,379)	(1,623)
Payment of common stock dividends	(123,602)	(111,400)
Noncontrolling interest distributions	0	(292)
Net cash provided by financing activities	214,901	83,961
Net decrease in cash and cash equivalents	(11,288)	(8,156)
Cash and cash equivalents at beginning of period	13,659	10,604
Cash and cash equivalents at end of period	2,371	2,448
Supplemental disclosure of cash flow information:
Interest paid, net of amount capitalized	45,960	41,570
Taxes paid	0	196
Supplemental disclosure of noncash investing and financing activities:
Issued 278,671 and 274,693 shares of restricted and unrestricted common stock in 2016 and 2015, respectively, pursuant to NNN’s performance incentive plan	11,004	8,594
Change in other comprehensive income	2,374	374
Mortgage receivable accepted in connection with real estate transactions	0	500
Change in lease classification (direct financing lease to operating lease)	0	311
Series D Depositary Share
Cash flows from financing activities:
Payment of Series D and Series E preferred stock dividends	(9,523)	(9,523)
Series E Depositary Share
Cash flows from financing activities:
Payment of Series D and Series E preferred stock dividends	$ (8,194)	$ (8,194)