Condensed Consolidated Statements Of Cash Flows (Parenthetical)	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Statement of Cash Flows [Abstract]
Issued shares of restricted and unrestricted common stock, pursuant to NNN’s performance incentive plan	371,134	298,896
Issued shares of common stock to directors, pursuant to NNN's performance incentive plan	11,511	12,186
Issued shares of common stock, pursuant to NNN’s Deferred Director Fee Plan	12,166	9,044
Shares of restricted stock surrendered		241