CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Real estate portfolio:
Accounted for using the operating method, net of accumulated depreciation and amortization	$ 6,609,368	$ 6,418,700
Accounted for using the direct financing method	9,188	9,650
Real estate held for sale	10,463	14,311
Cash and cash equivalents	1,885	1,364
Receivables, net of allowance of $572 and $1,119, respectively	2,548	4,317
Accrued rental income, net of allowance of $1,842 and $1,936, respectively	26,118	25,916
Debt costs, net of accumulated amortization of $13,378 and $12,667, respectively	4,781	5,380
Other assets	80,590	80,896
Total assets	6,744,941	6,560,534
Liabilities:
Line of credit payable	166,700	120,500
Mortgages payable, including unamortized premium and net of unamortized debt costs	13,000	13,300
Notes payable, net of unamortized discount and unamortized debt costs	2,448,390	2,446,407
Accrued interest payable	19,401	20,311
Other liabilities	108,339	119,106
Total liabilities	2,755,830	2,719,624
Stockholders’ equity:
Common stock, $0.01 par value. Authorized 375,000,000 shares; 156,990,141 and 153,577,028 shares issued and outstanding, respectively	1,571	1,537
Capital in excess of par value	3,734,313	3,599,475
Accumulated deficit	(368,074)	(379,181)
Accumulated other comprehensive income (loss)	(11,535)	(13,738)
Total stockholders’ equity of NNN	3,988,775	3,840,593
Noncontrolling interests	336	317
Total equity	3,989,111	3,840,910
Total liabilities and equity	6,744,941	6,560,534
Series E Preferred Stock
Stockholders’ equity:
Preferred stock, $0.01 par value. Authorized 15,000,000 shares	287,500	287,500
Series F Preferred Stock
Stockholders’ equity:
Preferred stock, $0.01 par value. Authorized 15,000,000 shares	$ 345,000	$ 345,000