Condensed Consolidated Statements Of Cash Flows (Parenthetical)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Statement of Cash Flows [Abstract]
Issued shares of restricted and unrestricted common stock, pursuant to NNN’s performance incentive plan	267,133	371,134
Issued shares of common stock to directors, pursuant to NNN's performance incentive plan	3,602	3,985
Issued shares of common stock, pursuant to NNN’s Deferred Director Fee Plan	3,435	4,162